General program information and/or position overview.

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

Primary Responsibilities

The selected candidate will serve as the Security & Technology Policy Division Assessment & Authorization Team Lead and apply their experience as an Assessment and Authorization Analyst to guide team members to evaluate CBP Information Systems being introduced to the environment to determine if they meet the required security standards and are authorized to operate within the CBP network, using the NIST Risk Management Framework (RMF) or similar methodologies

The candidate will be responsible for administrative reporting and team management and should have knowledge of what happens at key points in the lifecycle of the information system, such as before its deployment or during major updates. The Team Lead should be able to independently create security documentation (e.g., System Security Plan, Security Assessment Report) and support the customer to obtain the final authorization to operate (ATO).The Government typically requires assistance in collecting information and answering questions in regard to many broad IT areas including, but not limited to security management controls, access controls, provisioning and deprovisioning, transfers, separation of duties, configuration management, contingency planning, application security, business process controls, interface controls, and data management system controls.

• Experience leading a team of A&A Analysts/Security Control Accessors

• In-depth knowledge and expertise of many different federal standards and policies to include, but are not limited to:

o Government Accountability Office (GAO) auditing practices;

o Responding to Congressional requests for information;

o Federal Information Security Management Act (FISMA) standards and auditing practices including Federal Information Systems Control Audit Manual (FISCAM)

o Office of Management and Budget (OMB) Circular A-123;

o DHS 4300A and CBP 1400-05D security policies and manuals; and

o National Institute of Standards and Technology (NIST).

• Provide internal assessment, compliance, and evaluation readiness services to the CSD organization, as well as with other CBP OIT directorates as deemed necessary by CSD leadership

• Verify and confirm that IT security controls are in place and effective (especially with considerations in these areas as applications are migrated to cloud hosting services); and

• Provide strategic advice and guidance to the CSD Information System Security Manager (ISSM) teams regarding IT security controls best practices and implementation strategies for new systems and applications that come into the CSD or (as directed) CBP OIT portfolios (e.g., implementing boundary controls).

• Serve as a liaison between auditors, participate in external oversight audits as needed, coordinate, document, and review inquiries and responses with the appropriate CSD Government personnel, and finalize the scope of the responses to align with the requested information.

• Demonstrate successful experience with assessing an organizations maturity level of cybersecurity compliance.

• Demonstrate expert level knowledge of vulnerabilities and weaknesses across complex IT environments and comprehend the applicability of security standards across technologies.

• Demonstrate familiarity with cybersecurity operation center (SOC) operations and cybersecurity sensors and tools.

• Demonstrate experience with the development and coordination of guidance and work products related to issues tracking management and plan of actions and milestones and ensure transparency of maturity level deltas, progress, and challenges within an organization.

• Assist in developing and presenting briefs to senior leaders on the organization’s CSSP activity.

Basic Qualifications

• A minimum of a Bachelor’s degree coupled with 8 years’ experience in the Information Technology arena or Master's Degree with 6 years of relevant experience.  Additional years of experience are accepted in lieu of degree.

• Prior experience with CBP

• Experience briefing and conversing with C-Suite level executives

• Experience conducting FISMA Audits, Financial Statement Audits and coordinating with OIG and KPMG

• Minimum of 5 years of experience as an Auditor/ISSO supporting major federal information systems/applications

• Bachelor Degree in Computer Science, IT, Information/Cyber Security field from an accredited college or university

• Knowledge with auditing security controls and financial processes

• Superior writing, communication and critical analysis skills

• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures

• DoD 8570 IAT III

• Experience with supporting the delivery of large and complex projects on time and within budget in government organizations 

Must be able to report into the Ashburn VA office daily, if needed.

Must be a US Citizen.

Preferred Qualifications

• CompTIA Certified Advanced Security Practitioner (CASP+)

• ISC2 Certified in Governance, Risk and Compliance Certification (CGRC)

• ISC2 Certified Information Systems Security Professional (CISSP)

• ISACA Certified Information Systems Auditor (CISA).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Job Title: Network Engineer

Clearance Required: Top Secret SCI clearance

Location: Fort Belvoir

The Leidos Defense Group has an opening for a Network Engineer supporting the TENCAP program at Ft. Belvoir, VA. This is an exciting opportunity to apply your network engineering expertise to help advance Army TENCAP’s mission of integrating national, commercial, and tactical ISR capabilities into operational Army systems.

In this role, you will design, implement, and optimize network architectures that enable the flow of critical intelligence data across multiple platforms. You will work alongside systems, network, and cybersecurity engineers to ensure resilient, secure, and high‑performance network solutions that directly support Army ISR modernization.

Primary Responsibilities

• Serve as the Network Engineer and technical authority for network design, integration, and performance.
• Maintain and evolve network architecture, technical baselines, and overall network performance.
• Collaborate with systems and network engineering teams to meet technical performance requirements and mission objectives.
• Support coordination of network requirements, hardware and software design, and full verification and validation activities.
• Design and implement network infrastructure supporting ISR data flows and integration with existing intelligence platforms and networks.
• Contribute to the development of technical documentation, architecture diagrams, and engineering reports supporting the TENCAP mission.
• Provide expert recommendations on information system design, integration and test, performance analysis, administration, security, and policy.

Basic Qualifications

• Active Top Secret/SCI clearance.
• Bachelor’s degree with 12–15 years of relevant experience, or Master’s degree with 10–13 years.
• Experience with ISR systems, satellite communications, or intelligence networks (highly desirable).
• Familiarity with Model‑Based Systems Engineering (MBSE) tools (preferred).
• Senior‑level expertise in networking technologies (e.g., Cisco, Microsoft/Linux, VPN, crypto, etc.; specific qualifications TBD).
• Demonstrated ability to serve as a senior technical authority, network engineering leader, and trusted advisor in complex mission environments.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos' Corporate Information Security Office, reporting through the Digital Modernization sector, is seeking an Information Technology Team Manager. This is a primarily hands-on technical role responsible for supporting and enhancing the enterprise IT environment across both Windows and Linux platforms with a focus on system reliability, performance, and security. The role includes leadership responsibilities involving team coordination, mentorship, and serving as the primary Information Technology (IT) decision maker. In this role, you will be accountable for the management and technical administration of the Information System (IS) in accordance with internal and external security requirements, overseeing day-to-day testing, implementation, deployment, maintenance, and administration of cyber systems or networks and their infrastructure hardware and software. To be successful, you need to be adaptable to diverse office situations, procedures, and demands, and maintain a proactive, solutions-oriented mindset.

Location: All work will be performed on-site at our Aurora, CO office.

Clearance: You must currently hold an active TS/SCI with Polygraph to qualify.

Primary Responsibilities

• Administer and maintain Windows and Linux systems in a secure, stable, and scalable manner
• Automate routine tasks using scripting (PowerShell, Bash, etc.)
• Collaborate with IA, engineering, and operations teams to deliver IT services
• Continuous upkeep, monitoring, analysis, and response to Information System, network and security events.
• Develop procedures and documentation to ensure compliance with Configuration Management (CM) for security relevant IS software, hardware, and firmware.
• Develop, implement and enforce Information Security Policies and Procedures.
• Documents compliance activities in accordance with the governing authority approved authorization package.
• Ensure proper protection and / or corrective measures have been taken when an incident or vulnerability has been discovered.
• Ensures records are maintained for workstations, servers, software, routers, firewalls, network switches, and other relevant hardware/equipment throughout the information system's life cycle.
• Ensures systems are operated, maintained, and disposed of in accordance with the governing authority approved authorization package and customer directives.
• Evaluates proposed changes or additions to the information system and advises senior site leadership of the security relevance.
• Help prioritize work, coordinate tasks, and drive accountability within the team
• Lead / conduct security IS education and training.
• Mentor other engineers in the art of cybersecurity and secure software development practices.
• Monitor system health, respond to incidents, and implement long-term fixes
• Participate and remain active within the Change Control Board (CCB) process.
• Participate and remain active within local Scrum Boards.
• Participates in internal/external security audits/inspections; performs risk assessments and Continuous Monitoring.
• Personnel management for their team.
• Provide technical guidance and mentorship to junior administrators (≈20% leadership)
• Support compliance and security requirements (patching, STIGs, audits, etc.)
• Training/Mentoring, education, PTO planning/development/submittal, remote work requests, end of day report requirements, quarterly check-ins, yearly reviews, and timesheet verifications/approvals.
• Working with ISSM and FSO investigations of computer security violations and incidents, reporting as necessary to both the Facility Security and Senior Program Managers.
• Working with the ISSM and FSO, author, review and update IS Authorization documentation (Body of Evidence) to support IS Assessment and Authorization activities.

Basic Qualifications

• Currently hold Active TOP SECRET / SCI clearance with Polygraph.
• Bachelor's degree and 12 – 15 years related experience in Information Systems, Computer Science or related field or a master’s with 6 – 10 years of related experience. Additional relevant experience, training, and / or certifications may be considered in lieu of degree.
• Current hold DoDM 8140 IAT Level II certification.
• Hands on experience with Microsoft Windows operating systems (workstation & server), Linux, and system virtualization (multiple hypervisors) in a secure network environment.
• Detailed understanding of the Risk Management Framework (RMF), NIST, ICD, and CNSS standards.
• Experience with compliance scanning tools (e.g. SCAP) and vulnerability scanning tools (e.g. ACAS).
• Familiarity with network technologies (LAN & WAN) and best practices within a classified environment to include crypto and key management.
• Hands on experience with DISA Security Technical Implementation Guide (STIG) implementation and management.
• Good writing and verbal presentation skills.
• Must be able to work in a constantly changing regulatory environment with short-, mid-, and long-term timelines for remediating any non-compliance.
• Must be able to work well within a team environment and able to adapt quickly to change.

Preferred Qualifications

• Additional desired certifications include: CISSP, CCNA, CCSP, MCSE, and/or SANS GIAC, Linux RHCSA, CompTIA Linux, LCFS/LCFE, OS Certification (MCSE Win7 or other).
• DoD Information Systems (IS) knowledge and experience.
• Experience developing and delivering modern software, including micro services, containers, and hybrid cloud architectures.
• Experience ServiceNow RMF Workflow Management Tool.
• Familiarity with administering Microsoft SharePoint, including site collection configuration, permissions management, and document library/list administration.
• Knowledge automated test tools such as Jenkins, SonarQube, JUnit, Cucumber, Selenium, JMeter.
• Knowledge of agile development processes and DevOps tools such as Jira, Bitbucket, Confluence.
• Knowledge of software development lifecycle concepts: Scaled Agile Framework (SAFe), DevOps, Continuous Integration (CI), and Continuous Deployment (CD).
• Security hardening scripting/automation experience.
• Strong knowledge of secure coding practices and vulnerability/quality scanning tools (e.g., Fortify, SonarQube).
• Understanding of Sensitive Compartmented Information Facility (SCIF) standards.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a Search Engineer to support, enhance, and modernize our enterprise search platform for a Federal customer. This role is responsible for both software development and operations & maintenance of search applications and indexing pipelines built on Apache Solr, Flume, Spark, Linux, Microsoft SQL Server, and AWS OpenSearch.

The engineer will ensure day-to-day reliability of indexing and retrieval services by addressing indexing failures, data issues, search syntax and relevance problems, performance degradation, vulnerability remediation, patching, and recurring maintenance activities. This role also supports bulk indexing operations, synonym refreshes, name normalization, data purges, and SLA restoration for search and retrieval services.

In addition to supporting the existing environment, this role will help evolve the platform toward modern search capabilities using AWS OpenSearch, semantic search, vector embedding, hybrid retrieval, and Retrieval-Augmented Generation (RAG). The ideal candidate combines strong hands-on troubleshooting and operational ownership with practical experience in search engineering, data pipelines, and cloud-based modernization.

Key Responsibilities

• Maintain, support, and enhance enterprise search applications and indexing pipelines running on Solr, Spark, Flume, AWS OpenSearch, and Linux-based infrastructure.
• Perform operations and maintenance activities including patching, vulnerability management, system administration, monitoring, configuration management, and routine platform support.
• Troubleshoot and resolve indexing failures, data issues, query syntax problems, relevance issues, and search performance degradation.
• Monitor indexing jobs and platform health to ensure indexing SLAs and search/retrieval SLAs are consistently met.
• Fine-tune search configurations, analyzers, synonyms, ranking logic, and index structures to optimize search relevance, indexing throughput, and retrieval performance.
• Perform scheduled maintenance activities including weekly, monthly, and biannual data purges, index cleanup, retention-related tasks, and storage optimization.
• Support quarterly bulk indexing operations, including large-scale reloads, synonym refreshes, name normalization, and post-load validation.
• Work with source data stored in Microsoft SQL Server to investigate ingestion issues, validate upstream data quality, analyze indexing results, and review operational or search-related metrics captured after indexing.
• Use SQL to query source and operational data, investigate discrepancies, support troubleshooting, and validate indexing outcomes and SLA-related metrics.
• Use Azure Log Analytics and related monitoring tools to analyze logs, investigate failures, identify operational trends, and support root cause analysis for indexing, search, and data-processing issues.
• Maintain awareness of Java-based source-to-target data comparison and validation tools, review their findings regularly, and address data quality, synchronization, and accuracy issues between source systems and indexed search platforms.
• Investigate and resolve data ingestion, transformation, indexing, and retrieval issues across upstream and downstream systems.
• Build and improve automation, scripts, and support tooling that increases reliability, reduce operational overhead, and improve observability.
• Support modernization of legacy search capabilities toward AWS OpenSearch, semantic search, vector search, hybrid retrieval, and RAG-enabled solutions.
• Document procedures, runbooks, support processes, recurring maintenance activities, and operational findings, and collaborate with cross-functional teams to improve search quality and system stability.

Required Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Systems, or related field, or equivalent practical experience.
• 5+ years of experience in software engineering, enterprise search, search platform support, information retrieval, or large-scale data systems.
• Hands-on experience supporting and enhancing enterprise search platforms such as Apache Solr, OpenSearch, Elasticsearch, Lucene, or similar technologies.
• Experience working in Linux production environments, including troubleshooting, configuration updates, and routine system support.
• Strong experience with indexing, schema design, mappings, analyzers, query processing, search relevance tuning, and performance optimization.
• Experience supporting batch or large-scale data ingestion and processing pipelines using Spark and related technologies.
• Strong programming skills in Java and/or Python.
• Working knowledge of Microsoft SQL Server, including the ability to query source data, validate data flows, investigate discrepancies, and analyze indexing or operational metrics.
• Experience using log monitoring and observability tools to investigate failures and support operational troubleshooting; exposure to Azure Log Analytics strongly preferred.
• Experience troubleshooting distributed systems, indexing pipelines, data synchronization issues, and production search clusters.
• Experience supporting SLA-driven operational environments with accountability for service restoration, recurring maintenance, and issue resolution.
• Ability to understand and work with validation, comparison, and support tools used to verify data accuracy between source and target systems.
• Strong analytical, troubleshooting, and problem-solving skills.
• Strong written and verbal communication skills, including the ability to work across engineering, operations, and stakeholder teams.
• Work in US eastern time zone, and available to travel to Washington, DC area once a year.
• Ability to clear Public Trust Clearance.

Preferred Qualifications

• Experience administering and tuning AWS OpenSearch in production environments.
• Experience modernizing legacy search platforms and migrating workloads from Solr to OpenSearch or similar cloud-native search technologies.
• Experience with semantic search, vector search, embeddings, hybrid retrieval, and AI-assisted search solutions.
• Experience supporting or implementing Retrieval-Augmented Generation (RAG) retrieval pipelines. Any exposure in integrating knowledge graph with RAG pipeline is preferred.
• Familiarity with chunking strategies, metadata enrichment, synonym management, reranking, and retrieval optimization.
• Experience measuring and improving search quality using metrics such as precision, recall, MRR, NDCG, and latency.
• Experience with Apache Flume, Kafka, or similar ingestion and streaming technologies.
• Experience building automation for maintenance operations, data validation, bulk indexing, and support workflows.
• Experience in utilizing GenAI in optimizing the O&M processes, continuous improvements and/or driving innovations.
• Experience working in regulated, security-sensitive, or government environments.
• Experience supporting enterprise document retrieval, knowledge discovery, or content search use cases.

Desired Technical Skills

• Apache Solr
• AWS OpenSearch
• Apache Spark
• Apache Flume
• Linux system support and administration
• Microsoft SQL Server, T-SQL
• Java
• Python
• REST API development
• Search relevance tuning
• Data validation and reconciliation
• Performance tuning
• Monitoring and observability
• Semantic search
• Vector embeddings
• Hybrid retrieval
• RAG retrieval pipelines
• AWS cloud services

What Success Looks Like

In this role, you will:

• Keep existing search applications stable, supportable, and performant.
• Ensure indexing operations run reliably and indexing SLAs are met.
• Restore and maintain retrieval SLAs through troubleshooting, tuning, and operational discipline.
• Identify and resolve data issues across source, ingestion, indexing, and target search layers.
• Execute recurring maintenance activities such as patching, vulnerability remediation, data purges, bulk indexing, synonym refreshes, and post-load validation with minimal disruption.
• Improve observability, support processes, and operational efficiency across the search platform.
• Help define and implement a practical modernization path from legacy Solr-based search to AWS OpenSearch and AI-enabled retrieval capabilities.
• Should demonstrate strong ownership mindset to complete tasks independently, communicate effectively with across teams in achieving desired accomplishments.

Nice-to-Have Domain Experience

• Enterprise search
• Knowledge management systems
• Document and content retrieval
• Search operations and maintenance
• Data quality validation and reconciliation
• AI-assisted search and retrieval systems
• GenAI innovations
• Public sector or regulated environments

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 21, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Digital Modernization Group seeks a Data Engineering Specialist to support the Global Management System (GMS) Team for the Global Solutions Management – Operations II (GSM-O II) contract. This contract includes the Operations, Sustainment, Maintenance, Repair and Defense of the Defense Information System Network (DISN) within the DOD Information Network (DODIN) in support of the Defense Information Systems Agency (DISA). It also includes support for other key tasks for DISA, including the transformation of DISA’s operational mission through innovation, and support to DISA’s mission partners.

The candidate must be within commuting distance of Scott AFB or Ft. Meade. At a minimum, a Secret clearance and Security + certification (or other applicable DoD 8570 IAT II certification) upon the start of employment.

The candidate will support data engineering activities, contributing to the integration and enrichment of DISN network topology data to enable advanced data correlation and analytics. They will assist in designing and implementing data enrichment pipelines, integrating multiple data sources into Confluent (Kafka) and Elastic platforms, and help maintain Kafka and Elastic clusters to support mission-critical operations. The candidate will contribute to platform sustainment and reliability by addressing operational challenges and supporting the automation of the software development lifecycle, including CI/CD pipeline development, containerization, and automated testing, while following DevOps best practices. The role involves active participation in Agile scrum teams, collaborating with team members, and sharing knowledge to support team growth. Additionally, the candidate will help develop and maintain technical documentation, ensuring solutions align with DoD security standards and compliance requirements.

As a GMS team member, you will work as part of a fast paced, Agile development and implementation team to architect, design and develop an integrated solution that expands the foundational Integrated Data Architecture platform (Confluent and ELK platform). You will work alongside others in a matrixed organization across the project.

Primary Responsibilities:

• Contribute to data engineering efforts by supporting the integration and enrichment of DISN network topology data for advanced data correlation and analytics.
• Participate in technical discussions with internal and external stakeholders to support solution design and implementation.
• Develop, test, and deploy data pipelines and integration solutions across distributed systems and cloud environments, using Python, JavaScript, Java, and SQL.
• Assist in requirements gathering and collaborate with stakeholders to design and implement data enrichment pipelines, integrating diverse data sources into Confluent (Kafka) and Elastic platforms.
• Develop and maintain Kibana visualizations and dashboards to support operational insights.
• Support Kafka system integrations between Elasticsearch/Logstash and other systems.
• Collaborate within Agile scrum teams, contribute to team deliverables, and share knowledge with peers.
• Communicate and coordinate effectively with geographically distributed team members to achieve project objectives.
• Troubleshoot and help resolve installation, infrastructure, and system issues; report and help mitigate technical risks.
• Develop and maintain technical documentation, including DoD requirements, interface documents, and security compliance artifacts.
• Ensure solutions comply with DoD security standards and guidelines, and support platform sustainment and reliability by addressing operational challenges as needed

Basic Qualifications:

• Bachelor’s degree from an accredited college in a related discipline, or equivalent experience/combined education, with 4–8 years of professional experience; or 2–6 years of professional experience with a related master’s degree.
• 4+ years of experience in software engineering, data engineering, or business/data analysis, preferably within Agile/Scrum teams.
• Hands-on software development experience with Python, Java, SQL, and working knowledge of JavaScript and HTML.
• Experience with distributed version control systems such as Git and Bitbucket.
• Proficiency with data analytics and visualization tools, such as Kibana, Power BI, Tableau, and the ELK stack (Elasticsearch, Logstash, Kibana).
• Experience designing, developing, and optimizing ETL processes and data pipelines, including integration with event streaming platforms like Kafka.
• Background in data modeling, unification, and analytics to support data-driven projects.
• Experience implementing application and system integrations, including Kafka and Elastic platform integrations.
• Understanding of networking and internet protocols, with experience supporting network-centric or data-driven environments.
• Experience developing and deploying software on UNIX/Linux command line platforms.
• Strong communication and collaboration skills, with the ability to work effectively with cross-functional teams and stakeholders.
• Experience with Agile project management and collaboration tools such as JIRA and Confluence.
• Active Secret DoD Security clearance prior to start date.
• Active Security+ Certification (or other applicable DoD 8570 IAT II certification) prior to start date.

Preferred Qualifications:

• Experience with CI/CD techniques, containerized pipelines, and DevOps practices, including automating software delivery processes.
• Familiarity with artificial intelligence and machine learning concepts, and interest in supporting the integration of AI/ML capabilities into data platforms.
• Experience with data integration, storage, and analysis technologies such as Kafka, Elastic, Spark, or NiFi.
• Hands-on experience with Kafka connector integrations and working knowledge of ksqlDB and Kafka Streams for real-time data processing.
• Ability to develop software designs for streaming data applications, particularly using Kafka Streams or ksqlDB.
• Experience developing and optimizing Kafka system integrations between Elasticsearch/Logstash and other systems.
• Experience designing and implementing application deployment pipelines and developing software in containerized environments using Kubernetes and Docker.
• Familiarity with Kubernetes deployment, Agile methodologies, and collaborative development tools.
• Experience developing and deploying software in AWS cloud environments, including basic configuration of cloud infrastructure, networking, and security policies (GovCloud experience a plus).
• Experience with full software lifecycle automation (design, development, testing, deployment), including production deployments.
• Experience designing and building automated software testing pipelines using tools such as Ansible, Selenium, JMeter, Junit, or similar.
• Experience developing and deploying software in DoD environments (DISA experience a plus), including building applications that meet DoD security standards and implementing security guidelines (e.g., STIGs).
• Ability to support the development of DoD requirements, traceability matrices, project plans/schedules, and contribute to software systems engineering documents and interface documents (IDDs/ICDs).
• Experience with Agile methodologies and Atlassian tools, including JIRA and Confluence, for project tracking and collaboration.
• Ability to work effectively in remote, geographically dispersed teams, demonstrating strong communication and collaboration skills.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 21, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Defense Sector at Leidos has an opening for a Senior Cloud Cybersecurity Infrastructure Engineer supporting an Air Force & Navy Mission Planning program. This position will help manage underlying infrastructure for a cloud-based Next-generation Continuous Integration/Continuous Deployment (CI/CD) pipeline supporting 40+ developer teams across cutting-edge technology stacks.  You will be part of a team of engineers working in a DevSecOps environment, enabling rapid software development solutions while providing guidance on how to improve Air Force & Navy Mission Planning software.

Primary Responsibilities:

The successful candidate will have a passion for maintaining the cybersecurity posture of complex IT systems, and will be eager to learn new technologies and enjoy overcoming the challenges of the unknown. You will work in a peer-to-peer environment placing a high value on collaboration and team success. Day-to-day responsibilities will include implementation, maintenance, and troubleshooting of a complex and diverse cloud environment, to include:

• Providing Subject Matter Expertise for cloud Information Assurance on a variety of implementations.
• Securing high-availability systems via industry/DOD standards and best practices.
• Configuring & securing underlying Azure/AWS cloud resources for build, release & deployment pipelines.
• Supporting an enterprise CI/CD environment with multiple servers, operating systems and applications.
• Deploying, reviewing, patching & testing systems for adherence to build & security requirements.
• Resolving tickets and problem reports on specific technologies and hardware/software components, including COTS/GOTS products, from the system level to individual hardware/software components.
• Building and maintaining scripts for automation of tasks and server maintenance.
• Creating and maintaining accurate maintenance documentation for systems .

Basic Qualifications:

• U.S. Citizenship with the ability to obtain and maintain a Secret Security Clearance.
• Bachelor’s degree with 8+ years of experience or a Master’s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• Ability to obtain a CompTIA Security+ certification or minimum equivalent to meet DoD 8570 Compliance.
• 4+ years of Windows & Linux sys administration with 2+ years in an Azure/AWS cloud environment.
• Experience applying/debugging STIG settings/conflicts in Windows/Linux servers and hosted apps.
• Experience interpreting scanning tool outputs (Nessus, SCAP, Evaluate STIG, etc.) and remediating findings.
• Experience with system troubleshooting tools like top, iostat, vmstat, netstat, lvm, fdisk.
• Strong understanding of networking concepts such as OSI Model, LAN/WAN, IPv4/IPv6, subnetting, VLANs, edge services & point-to-point VPN setup within cloud environments.
• Experience working with identity management & authentication tools such as LDAP, SAML, and PKI.

Preferred Qualifications:

• US Citizen with an active Secret or higher security clearance.
• Hands-on experience with Configuration Management tools such as Ansible, Chef, or Puppet.
• Hands-on experience with Trellix/McAfee ePO and product suite.
• Hands-on configuration and experience with SIEM tools (e.g., Splunk, Azure Log Analytics, QRadar, LogRhythm).
• Hands-on experience with Microsoft Active Directory (i.e., OU creation, Schema Changes, Security Groups).
• Hands-on experience with Microsoft Group Policy (i.e., Creating GPOs, GPO inheritance, Security Filtering).
• Virtualization experience (VMware vCenter, ESXi, KVM, Hyper-V).
• Experience with Docker container technologies and Docker container deployment technologies, such as Terraform, Kubernetes, OpenShift, Helm, EKS, AKS.
• Experience supporting Jenkins pipeline code building and analysis tools.
• Coding and/or scripting experience using Python, Powershell, Bash, or other tools.
• Atlassian Tools Suite experience (Bitbucket, Confluence, JIRA)
• Experience managing web servers such as IIS and Tomcat.
• Familiarity with F5 BIG-IP Authentication and SAML IdP/SP.
• Intermediate knowledge of MS SQL, PostgreSQL, and MySQL.
• Experience in designing and implementing VNet/VLAN ports, protocols and services settings to restrict communications across Cloud-native virtual networking boundaries.
• Experience managing projects and processes to achieve enterprise business improvement objectives.
• Experience hardening API Gateway and API Endpoints.
• Experience with backup and recovery of IT infrastructure.
• Experience as an Information Systems Security Officer or Engineer (ISSO or ISSE).
• Experience managing, interpreting, and updating Plans of Action and Milestones (POA&Ms).
• Experience developing cybersecurity policy related to cloud environments.
• Experience applying STIGs to containers.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 21, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior Information System Security Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Design and implement cybersecurity controls within system architectures in alignment with NIST SP 800-53, RMF, and DoD policies.
• Validate and verify system security requirements and establish system security baseline designs for major system elements and all system interfaces.
• Establish, manage, operate, and maintain DoD RMF compliant processes and procedures for evaluating and authorizing changes to the System.
• Collect, review, assess, and provide feedback on System cybersecurity architecture and engineering artifacts.
• Collect, review, assess, and provide feedback on System cybersecurity Body-of-Evidence (BOE) results required to support the DoD RMF cybersecurity authorization process.
• Conduct periodic compliance scanning of the runtime System to meet all DoD periodic cybersecurity monitoring requirements.
• Support Government cybersecurity officials in preparing cybersecurity packages, including Interim Authority to Test (IATT) packages, Authority to Operate (ATO) packages, and Change Requests (CRs).
• Develop and implement security policies, standards, and procedures to ensure compliance with DoD regulations.
• Coordinate with cross-functional teams to ensure security measures are integrated into the system development lifecycle.
• Provide technical expertise and guidance on cybersecurity best practices and risk management.
• Oversee the development and maintenance of security documentation and reports.
• Ensure continuous improvement of security processes and procedures.
• Conduct security assessments and audits to identify vulnerabilities and recommend mitigation strategies.
• Stay current with emerging security threats and technologies to ensure the System remains secure and compliant.

Basic Qualifications:

• Active Top Secret (TS) clearance with SCI eligibility.
• Bachelor’s degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline OR equivalent training/experience aligned to DoD 8140 pathways.
• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:
• Current DoD 8570/8140 baseline certification appropriate for Intermediate Information Systems Security Manager roles (e.g., CAP, CASP+, CISSP, or equivalent),
• Offerings listed in the DoD 8140 Training Repository,
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• 8–12 years of relevant experience in cybersecurity engineering, system security engineering, or related roles.
• Experience with DoD Risk Management Framework (RMF) and NIST 800-53 Rev 4 or Rev 5.
• Experience integrating cybersecurity controls into system architecture and development processes.
• Experience supporting RMF processes including system authorization and continuous monitoring.
• Experience developing and maintaining cybersecurity documentation and artifacts (e.g., SSPs, POA&Ms, BOE).
• Experience implementing security controls aligned with NIST SP 800-53 and DoD cybersecurity requirements.
• Experience supporting DevSecOps or secure software development environments.
• Excellent communication and interpersonal skills.
• Experience in preparing cybersecurity packages, including IATT and ATO packages.
• Strong analytical and problem-solving skills.

Preferred Qualifications:

• Active TS/SCI with CI Poly clearance.
• Master’s degree in Cybersecurity, Information Technology, or related field.
• Experience with DoD systems and environments.
• Knowledge of JIE (Joint Information Environment) or similar frameworks.
• Experience with cloud-based security solutions and architectures.
• Familiarity with advanced cybersecurity tools and technologies.
• Experience in developing and implementing security policies and procedures.
• Strong project management skills and experience with Agile methodologies.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Cybersecurity, Architecture, and Engineering (CAE) organization, within the Corporate Information Security Office (CISO), has an immediate opening for a motivated Application Cybersecurity Engineer. In this role, you will support application security activities for enterprise applications, cloud-hosted services, and AI-enabled or emerging technology solutions across Leidos.

As a member of the Cybersecurity Architecture and Engineering team, you will work with internal customers, developers, engineers, architects, and vendors to help improve security practices for modern application environments. This role requires a foundation in application security, secure software delivery, cloud technologies, and effective cross-functional collaboration. The ideal candidate will be comfortable contributing to security reviews, evaluating solution risks, supporting technical discussions, and helping teams adopt modern technologies securely, including artificial intelligence capabilities.

This position is well suited for a self-starter who can work independently on day-to-day objectives, communicate effectively with technical and non-technical stakeholders, and continue building skills in application security, AI security, and emerging technology risk.

Location: This position has flexibility to work onsite in Reston, VA, Orlando, FL, Gaithersburg, MD or Remote from any U.S. based location.

Citizenship: U.S. Citizenship is required.

Primary Responsibilities

• Support application cybersecurity efforts for enterprise applications and emerging technology initiatives at Leidos.
• Participate in security design reviews, technical assessments, and architecture discussions for enterprise applications, cloud-hosted services, and AI-enabled solutions.
• Collaborate with developers, engineers, architects, and stakeholders to identify and address security considerations in application integrations, enhancements, and deployments.
• Provide input on security considerations for data flows, cloud services, and AI-enabled application patterns.
• Support customer-facing meetings, presentations, and technical discussions with internal stakeholders, project teams, and vendors as needed.
• Help coordinate technical tasks, action items, and follow-ups to support project delivery timelines.
• Work with software and platform teams to encourage secure development practices and practical security improvements.
• Stay current on application security, AI security, and emerging technology risks and apply that knowledge to engineering and review activities.
• Contribute to written findings, recommendations, and technical communications related to application and AI security activities.

Basic Qualifications

• Bachelor’s degree and 4 to 8 years of relevant experience in cybersecurity, application security, software development, data integration, data analytics, data engineering, or related technical disciplines. Additional years of relevant experience, training, and/or professional certifications may be considered in lieu of a degree.
• Must be a U.S. citizen.
• Experience in application cybersecurity, secure software development practices, or related secure solution delivery activities.
• Experience working with cloud environments such as AWS or Azure.
• Working knowledge of one or more scripting or programming languages such as Python, SQL, or JavaScript.
• Experience with one or more of the following in enterprise environments: application development, data integration, data analytics, or data engineering.
• Foundational knowledge of AI-enabled application patterns and associated security considerations, including familiarity with concepts such as large language models, retrieval augmented generation, or agentic workflows.
• Understanding of software development lifecycles and modern delivery practices such as Agile or DevSecOps.
• Ability to communicate effectively with technical and non-technical audiences and contribute in collaborative team environments.
• Ability to support meetings, presentations, and customer-facing technical discussions.
• Knowledge of cybersecurity frameworks and standards such as the NIST Cybersecurity Framework, NIST AI Risk Management Framework, NIST SP 800-171, and NIST SP 800-53.
• Demonstrated initiative, curiosity, and willingness to continue learning in the AI security and emerging technology space.

Preferred Qualifications

All of the below are not requirements, but would bring significant value to the team.  No candidate is expected to have experience in all the below:

• Experience supporting or assessing AI-enabled applications or emerging technology solutions in enterprise environments.
• Hands-on experience with AI solution patterns such as agentic workflows, retrieval augmented generation, graph-based approaches, context engineering, or related concepts.
• Experience participating in security design reviews, technical risk assessments, or architecture evaluations for enterprise applications or cloud-hosted solutions.
• Experience with enterprise workflow, platform, or service management technologies such as ServiceNow.
• Experience working with vendors, product teams, or third-party solution providers.
• Experience working across multiple cloud service providers or with cloud-native security concepts.
• Practical software development or scripting experience that strengthens collaboration with engineering teams and supports application security activities.
• Experience producing technical analysis, written findings, or recommendations related to application security, AI security, or emerging technology risks.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Cyber Security Specialist

Location: Lackland AFB San Antonio Texas

Company: Leidos

Clearance Required: Top Secret / SCI

Are you ready to join the Leidos all‑star team? Through training, teamwork, and exposure to challenging technical work, Leidos gives you the runway to accelerate your career path. We’re seeking a skilled Cyber Security Specialist to support operations at Lackland AFB, contributing directly to the security posture of critical Air Force and DoD systems.

In this role, you will ensure the implementation of cybersecurity protections, detect and mitigate malicious activity, and help maintain compliance across USAF and DoD information systems. You’ll also support supplier risk management, insider threat programs, and the full lifecycle of assessment and authorization activities.

Roles & Responsibilities

• Work independently to meet daily objectives with significant impact on mission operations and project deliverables.
• Collaborate with internal teams and customer stakeholders to implement cybersecurity solutions and processes.
• Represent the organization on technical review boards, inspections, and compliance teams.
• Coordinate with system owners on security compliance and Authority to Operate (ATO) requirements.
• Conduct periodic reviews to ensure adherence to established cybersecurity policies and procedures.
• Notify leadership of system changes that may affect authorization status.
• Assess system security threats and risks, validating security requirements and analysis.
• Support the Assessment & Authorization (A&A) process, including documentation and coordination.
• Track security incidents and, when required, investigate, document, report, and recommend corrective actions.
• Assist USAF, DoD, PMOs, and vendors with A&A development and execution.

Required Education & Experience

• Bachelor’s degree in computer science, engineering, or related field and 4+ years of experience Additional related experience and additional certifications may be considered in lieu of a degree.
• Demonstrated experience in information security.
• Active Top Secret / SCI clearance.
• DoD 8570 IAT Level II compliant.
• Knowledge of RMF processes, eMASS, and XACTA workflows.
• Experience using Air Force systems and databases.
• Understanding of military IT policies and procedures.
• Experience with cloud environments (AWS, Azure, etc.).
• Current on required ADLS and/or INSCOM training.
• Experience supporting Air Force ISR operations.

Preferred Qualifications

• AWS Security Engineering coursework.
• ISC2 CISSP or CCSP coursework.
• Certified Information Security Manager (CISM).
• Experience with Jira and Confluence.

AMSOPP1

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 7, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is anticipating a new contract award with the Naval Information Warfare Center (NIWC) Atlantic in support of all aspects of the Defense Health Enterprise Application and Desktop Virtualization Support Group, supporting the Clinical Information Modernization (CIM) Integrated Product Team (IPT). The primary customer for this work is the Defense Health Agency (DHA) which consists of a world-wide network of military hospitals, and health clinics, supporting the Department of Defense (DoD) TRICARE system for uniformed services members and their families around the world. This new work is focused on the Clinical Infrastructure Modernization Program Lifecycle Environment (CIMPLE) project which will support the Datacenter Operations Program (DCOPS) by providing enterprise infrastructure and professional IT services associated with the DHA Private Cloud (DPC), the Application Virtualization Hosting Environment (AVHE), and the DevSecOps Community Cloud (DSOCC) hosting platforms.

Specific knowledge and understanding of these core systems is a requirement.

Position requires 100% onsite in Charleston, SC.

Position Description

• The DevSecOps Lead is responsible for leading the team in support of support and sustainment strategies for cloud computing instantiations providing subject matter expertise DevSecOps lifecycle for cloud computing instantiations.
• The candidate must have subject matter expertise in virtual container technologies and experience leveraging virtual containers, including Kubernetes or other open-source container management platforms, Redhat OpenShift, Rancher Federal (RKE2), and NetApp Kubernetes Service.
• The candidate must have enterprise experience in Continuous Integration/Continuous Deliver (CI/CD) pipeline tools and technologies to include Kubernetes/OpenShift, Gitlab, Jenkins, and SAST/DAST scanning tools.
• The candidate must have experience in cloud computing technologies and be able to provide subject matter expertise for Amazon Web Services (AWS) GovCloud, and Microsoft Azure GovCloud.
• Perform testing of new versions of containerization technologies software in the pre-production lab environment(s) including regression testing on standard configurations.
• Recommend upgrade processes as well as execute system wide upgrades to both pre-production lab environment(s) and production environment(s) following program change management processes and procedures.
• Implement standard configuration and maintain patch and platform versions across both pre-production lab environment(s) and production environment(s).
• Provide technical support for instantiations of these containerization technologies on a 24x7 basis to ensure rapid problem resolution and maximum uptime.
• The candidate shall provide subject matter expertise on multiple cloud services including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), DBaaS, Software as a Service (SaaS), and FEDRAMP.
• Assist the government in the architectural design and engineering of cloud technologies identifying areas to gain efficiency and reduce costs.
• Provide associated documentation for architectural designs, deployment and implementation supporting cloud technologies installation and configuration.
• Support IAVA/STIG/other DoD policy implementations and documentation for cloud technologies platforms to include RA and RMF. Support the development of accreditation packages using DoD Risk Management Framework for any designed solution and work toward achievement of an ATO.
• Writing and maintaining Architecture Diagrams, Architecture Network Boundary Diagrams, and Installation Configurations Guides.
• Support direct communication and collaboration with ALL members of the Team, including issue management support, clarification and prioritization of production onsite tasks, reports and site summaries.
• May communicate with parties external to the organization (e.g., sub-contractors, vendors, government, etc.).
• Works to influence project/team leaders regarding solution design, process and/or approaches.
• Provide Engineering Tier 3 assistance in the management of Help Desk related issues in production.
• Works to achieve key project/program objectives and deliverables.
• Responsible for entire projects or processes spanning multiple technical areas.
• Regularly employs ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives.

Required Skills

• 10 years’ experience in DoD enterprise environments

• Currently holding an active DoD Secret Security Clearance

• Requires strong writing skills and excellent communications skills
• Relevant, recent technical Cloud Architecture Background and Experience with DevSecOps, VDI, and hybrid cloud engineering as it relates to the responsibilities of the position

Highly Preferred Skills

• Cloud computing technologies experience for Amazon Web Services (AWS) GovCloud, and Microsoft Azure GovCloud
• Cloud Architecture Background and Experience with DevSecOps and enterprise experience in Continuous Integration/Continuous Deliver (CI/CD) pipeline tools and technologies to include Kubernetes/OpenShift, Gitlab, and Jenkins tools.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Unleash Your Potential

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. 

If this sounds like an environment where you can thrive, keep reading!

The Mission

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC), is a U.S. Government program responsible for preventing, identifying, containing, and eradicating cyber threats to CBP networks. The SOC safeguards enterprise-wide information systems—including LAN/WAN, cloud, commercial Internet connections, public-facing websites, mobile/cellular networks, servers, and workstations—through continuous monitoring, intrusion detection, and advanced security services. Leidos is seeking a Information System Security Officer (ISSO) Chief Technology Officer.

The ISSO CTO plays a critical role in ensuring security compliance, system resilience, and secure modernization of infrastructure and applications. This position requires deep technical expertise in systems engineering, cloud computing, and artificial intelligence (AI) technologies, combined with extensive governance, risk and compliance experience.

Primary Tasks:

• Provide cybersecurity oversight for major CBP applications and general support systems.
• Apply ISSO expertise across hybrid enterprise environments, including cloud-native platforms (AWS, Azure, Google Cloud Platform), containerized workloads, and virtualized infrastructure.
• Integrate AI/ML-driven security tools (threat detection, anomaly detection, behavioral analytics, predictive risk modeling) into security operations and compliance frameworks.
• Develop, draft, review and endorse all information systems security plans and other security authorization artifacts and documents such as:
• Standards for Security Categorization of Federal Information and Information Systems (FIPS 199) Assessment
• E-Authentication Determination
• Privacy Threshold Analysis (PTA)
• Privacy Impact Assessment (PIA)
• Risk Assessment Plan
• System Security Plan (SSP)
• Configuration Management Plan
• Contingency Plan
• Contingency Plan Test and Test Results
• Section 508 of the Rehabilitation Act Plan
• Plan of Action & Milestones (POA&Ms) Policy waiver and Risk Acceptance request
• Ensure that assigned systems are operated, maintained, and disposed of in accordance with applicable policies and procedures NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05D), and internal CBP (i.e., Office of Information Technology, Security Operations Division, etc.) security policies and practices
• Develop, review, maintain, and provide system security documentation for assigned systems, including System Security Plans, Interconnection Security Agreements, Contingency Plans, Plans of Action and Milestones, (POA&M), Waivers, and Exceptions through the DHS FISMA system management tool in use to implement and manage the NIST Risk Management Framework.
• Complete all activities required by the DHS Ongoing Authorization (OA) Program to transition assigned systems into the DHS OA Program and perform all required actions to maintain system authorization under OA once the system is admitted to the Program
• Assist the Government with the reporting and management of system level security violations and incidents.
• Assist the Government with the technical security evaluation of threats and vulnerabilities involving new/enhanced technology.
• Assist the Government with providing oversight to vulnerability scanning processes and procedures. · Assist the Government with providing oversight to security patch management/flaw remediation processes and procedures.
• Assist with the development of cyber security SOPs, playbooks, work instructions, and other procedures and processes to mature cyber security capabilities. · With consideration for cloud security architectures and AI-enabled systems.
• Ensure cloud-based systems and AI applications align with Zero Trust principles and CBP policy.
• Lead technical security evaluations of threats, vulnerabilities, and risks specific to cloud workloads and AI-driven technologies.
• Oversee vulnerability scanning, patch management, and flaw remediation across hybrid and AI-enabled infrastructures.
• Support the development of cybersecurity SOPs, playbooks, and AI/automation-enhanced workflows to mature SOC capabilities.

Basic Qualifications:

• Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or related discipline (Master’s preferred).
• 12+ years of IT/cybersecurity experience (or 6+ years with a Master’s).
• 5+ years as an ISSO supporting major federal information systems/applications.
• Strong systems engineering foundation with proven cloud computing expertise (AWS, Azure, GCP, or equivalent).
• Hands-on experience with AI/ML tools for cybersecurity, such as anomaly detection, automated risk scoring, or AI-driven SOC platforms.
• Working knowledge of auditing security controls, risk management, and compliance reporting.
• Superior writing, communication, and critical analysis skills.
• Deep understanding of Information Assurance, Information Management, and NIST Risk Management Framework (RMF).
• Preferred Qualifications:
• ISC2 Certified Information Systems Security Professional (CISSP)
• ISC2 Certified in Governance, Risk and Compliance (CGRC)
• ISACA Certified Information Security Manager (CISM)
• CompTIA Certified Advanced Security Practitioner (CASP+)
• Cloud certifications (AWS Certified Security, Azure Security Engineer Associate, Google Professional Cloud Security Engineer).
• Experience designing/assessing AI governance frameworks, bias/risk mitigation, and secure AI model deployment.

Clearance Requirement:

• All CBP SOC employees are required to successfully complete a CBP Background Investigation to support this program

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Unleash Your Potential

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. 

If this sounds like an environment where you can thrive, keep reading!

The Mission

Leidos is seeking a Senior VDI Administrator to support a large enterprise IT contract for the DOD. The Administrator will provide operations support to customers across multiple geographic locations. They will provide operations and maintenance support to existing virtual desktop environments across multiple enclaves and assist with the implementation of new solutions.  The administrator will help drive adoption of trusted thin-client platforms and virtual desktops across a diverse user base by focusing on improving the reliability, functionality, and user experience of the systems.  This individual will work in a team environment to ensure mission needs are met for internal and external customers.

Primary Tasks:

• Individuals in this role will be required to perform remote administration of servers located in offsite data centers.
• Provide Tier 2 and Tier 3 operations support and be able to rapidly distinguish isolated user problems vs service outages for Citrix technologies to include Citrix XenDesktop, Citrix XenApp, Citrix NetScaler, and Citrix StoreFront in addition to Microsoft M365 Azure Virtual Desktop (AVD).
• Monitor infrastructure and identify system anomalies before they impact customers to include storage availability/capacity, network connectivity, database health, and other daily health checks as required.
• Work closely with Engineering staff to plan out future modernization efforts to meet customer and administrator requirements.
• Collaborate to perform network latency analysis to address slow connections and user experience issues with alacrity.
• Implement version and architectural changes to existing, approved, systems to maintain operability and security of the environment
• Implement major system upgrades as designed and approved
• Coordinate with other Tier 2 and Tier 3 teams for testing and deployment of Group Policy modifications
• Perform periodic backup and restoration of servers
• Monitor desktop capacity to size the environment based on typical usage trends
• Monitor License and Certificate status on the systems and coordinate the renewal and installation as needed.
• Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
• Establish comprehensive availability and capacity management solution using lessons learned
• Develop solutions to technical issues.
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives.
• Periodically review, update, and generate Standard Operating Procedures (SOPs) for systems and services under your control.
• Update operations and monitoring documentation for 24/7/365 IT Operations Center (ITOC) personnel.
• Respond to after-hours outages when deemed mission critical by ITOC government rep.
• Conduct routine maintenance following customers prescribed maintenance windows which may include evening and/or weekend maintenance to minimize impact on customers and their mission.
• Provide mentorship and training for junior team members.

Basic Qualifications

• Experience with interacting with customers to handle service inquiries and problems.
• Experience working as a Tier 2 and Tier 3 system administrator: familiar with using desktop software applications such as web browsing and client software, and IT Service Management software such as ServiceNow.
• Knowledge of IC IT standards and best practices.
• Extensive knowledge of Citrix technologies to include, XenDesktop, XenApp, NetScaler, and StoreFront.
• Experience managing Microsoft M365 Azure Virtual Desktops (AVD).
• Extensive experience with patch and upgrade methodology for front-end and back-end systems based on Citrix technology.
• Experience with rapid testing, validation, and deployment of new baseline images
• Extensive experience with conducting incident and trend analysis via log review, performance baselining/review, and other incident/problem management techniques to develop solutions to ongoing issues impacting customer experience
• Experience with Scripting/Automation
• Experience troubleshooting issues in a growing environment.
• Time management skills.
• Strong oral and written communications skills.
• Track record of working effectively within a team and support to peers toward improved processes and results.
• Experience with support ticket management systems.
• Experience mentoring others and/or supervising others.
• Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher).
• Candidate must have a Bachelor's degree with at least 8 years of relevant experience, Master’s degree with 6 years, Associate's with 10 years, or High School Diploma with 12 years.
• TS/SCI with Poly required for Position or TS/SCI and willingness to obtain and maintain a poly. US Citizenship is required.

Preferred Qualifications

• Citrix Certified Administrator (CCA)
• Microsoft Certified: Azure Virtual Desktop Specialty
• Microsoft 365 Administrator
• ITIL Foundations Certification

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

The Mission Driver Enablement Center (MDEC) is seeking a Senior Salesforce Developer / Technical Lead to drive the design and delivery of advanced, integrated customer engagement solutions for Federal agencies. This role combines hands-on development with technical leadership, focusing on architecting and implementing scalable Salesforce solutions integrated with Amazon Connect, AI-driven capabilities, and third-party government systems.

The ideal candidate brings deep expertise in Salesforce architecture, cloud contact center integrations, and secure solution delivery within regulated government environments. This individual will serve as a technical leader across projects, guiding design decisions, mentoring developers, and ensuring high-quality, scalable implementations.

Job Responsibilities:

• Lead the design, architecture, and implementation of Salesforce-based contact center solutions, from prototyping through enterprise-scale production deployments
• Architect and oversee integrations between Salesforce and Amazon Connect (or similar cloud IVR/ACD platforms), including real-time data exchange, screen-pop functionality, and omnichannel routing
• Define technical solutions and integration patterns across Salesforce, AI platforms, and external agency systems
• Provide technical leadership to development teams, including code reviews, design reviews, and mentoring junior and mid-level developers
• Collaborate with stakeholders to translate business needs into scalable technical solutions and lead solutioning discussions with clients
• Establish and enforce Salesforce development best practices, coding standards, and DevSecOps processes
• Ensure all solutions meet Federal security and compliance requirements (e.g., FedRAMP, ATO)
• Oversee full lifecycle delivery, including architecture, development, testing, deployment, and sustainment
• Support proposal efforts, technical solutioning, and estimation for new work as needed
• Lead knowledge transfer and provide strategic guidance to client teams for long-term system success

Required Education & Experience:

• Bachelor’s degree in IT or related field and a minimum of 8 years of relevant experience or or Masters with a minimum 6 of relevant experience, progressive experience in Salesforce development and architecture, including Federal program experience
• Proven experience designing and delivering solutions in Salesforce Government Cloud environments
• Strong experience integrating Salesforce with Amazon Connect cloud-based contact center platforms (required)
• U.S. Citizenship required
• Ability to obtain and maintain a Public Trust clearance
• Required Certifications:
• Salesforce Certified Platform Developer I
• Salesforce Certified Platform Administrator
• At least two advanced certifications (e.g., Platform Developer II, Application Architect, System Architect)

Required Technical Skills:

• Strong experience with Omni-Channel routing, screen pops, and real-time CRM/contact center integrations
• Deep expertise in Salesforce platform development: Apex, Lightning Components, Experience Cloud, and APIs
• Experience designing scalable integration architectures using REST/SOAP APIs and middleware tools (e.g., MuleSoft or equivalent)
• Experience with Einstein / Agentforce capabilities and AI-driven customer engagement solutions
• Strong understanding of identity and security architecture, including SSO, MFA, encryption, and secure integration patterns
• Proficiency in modern web technologies (JavaScript, HTML5, CSS)
• Experience with Salesforce declarative tools (Flow, Lightning App Builder) and governance of hybrid declarative/programmatic solutions
• Experience leading development in Agile environments (Scrum, SAFe, Kanban) and guiding teams in Agile best practices
• Strong communication skills and ability to interface with technical and executive stakeholders

Additional Requirements:

• Exceptional communication skills with the ability to articulate complex technical concepts to leadership and translate business requirements into technical solutions.
• Proven leadership experience in managing and mentoring high-performing technical teams.
• Demonstrated success in delivering multiple concurrent, large-scale Salesforce implementations in government or defense sectors.

Desired Experience:

• Salesforce Architect-level certifications (Application Architect, System Architect, or CTA track progress)
• Implementations of additional contact center technology (CXone, Genesys, etc.) and additional contact center focused conversational AI, virtual agents, agent assists, etc.
• Experience with Salesforce Health Cloud or Data Cloud
• Experience with AWS GovCloud or Azure Government
• Experience with enterprise analytics platforms (Tableau, Power BI, SAS)
• Experience leading multi-system integration efforts across large Federal programs
• Familiarity with additional low-code/no-code platforms and modern cloud-native architectures.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking an AI*Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline*. Common Baseline is a mission-critical, future-ready automation solution built on a hybrid cloud data mesh architecture. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. You will work alongside cross-functional teams and technical leaders to deliver predictable outcomes in a highly regulated, safety-critical environment. 

In this position, you will design and implement software solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. The primary focus is on developing microservices-based applications within an Agile/SAFe environment. Experience with AI-enabled or data-driven systems is advantageous. This position supports government programs and requires the ability to obtain and maintain a favorable Public Trust investigation

This position is located in Gaithersburg, MD. This is an opportunity to contribute to projects that impact millions of air travelers.

This is a hybrid position requiring 3 days onsite and 2 days working from home.

This role focuses on building and modernizing real-time, safety-critical systems using a combination of traditional systems engineering and AI-augmented software development practices. You’ll work on software that directly supports national air traffic operations, applying AI tools to accelerate development, improve quality, and enhance system reliability.

What You’ll Do

• Design, develop, and maintain microservices-based applications using modern software engineering best practices
• Collaborate with product owners, architects, and engineers in an Agile/SAFe environment
• Participate in sprint planning, daily standups, reviews, and retrospectives
• Collaborate with systems engineering and program teams to translate requirements into working software solutions
• Develop clean, maintainable, and testable code following CI/CD and DevSecOps practices
• Contribute to system design discussions and technical decision-making
• Integrate services with databases, messaging systems, and external APIs
• Support troubleshooting, performance tuning, and continuous improvement
• Work closely with QA, DevOps, and platform teams to ensure reliable delivery
• Implement modern automated testing strategies, including unit, integration, contract, and end-to-end testing
• Use AI-assisted development tools to accelerate coding, refactoring, debugging, and test creation

Core Technical Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent experience)
• 2+ years of relevant experience or a Master's Degree
• Hands-on experience building and supporting microservices-based systems
• Proficiency in at least one modern programming language (e.g., Java, Python, C++, or similar on a Linux-based system)
• Experience or exposure to AI/ML-enabled systems (Claude-Code), automation, or intelligent platforms.
• Experience working in Agile environments
• Understanding of APIs and distributed system concepts
• Ability to obtain and maintain a Public Trust
• U.S. citizenship required
• Successful completion of background investigations as required by the government customer

Preferred / Desired Qualifications

• Experience with Git-based version control and CI/CD pipelines
• Familiarity with Scaled Agile Framework (SAFe)
• Experience working with relational and/or NoSQL databases
• Hands-on experience with Kafka or other event-streaming technologies
• Cloud experience (AWS, Azure, or GCP)
• Containerization and orchestration experience (Docker, Kubernetes)
• Experience working in DevSecOps environments
• Experience with test automation frameworks and integration of automated test suites into CI/CD pipelines

Why Leidos?

You’ll work on systems where performance, precision, and reliability matter — every second. This is not experimental AI for prototypes. This is disciplined, responsible AI applied to mission-critical software that supports national infrastructure.

If you’re excited by solving complex problems in regulated, real-world environments — and using AI as a force multiplier rather than a shortcut — we’d like to talk.

ATMC

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Zero Trust Cyber Security Analyst to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Design, implement, and enhance Zero Trust architecture capabilities aligned to DoD Zero Trust Strategy and NIST SP 800-207.
• Assess system architectures and identify gaps in Zero Trust maturity across identity, device, network, application, and data layers.
• Support development, execution, and maintenance of the Zero Trust Roadmap for WDP environments .
• Integrate Zero Trust principles into DevSecOps pipelines, continuous monitoring processes, and system engineering activities.
• Monitor and evaluate system compliance with Zero Trust policies, controls, and security standards.
• Analyze cybersecurity data and system behavior to identify anomalies, risks, and potential threats.
• Collaborate with cybersecurity engineers, ISSOs, ISSMs, DevSecOps teams, and system architects to implement Zero Trust solutions.
• Generate, prepare, store, and maintain cybersecurity Body-of-Evidence (BOE) results to support the DoD RMF cybersecurity authorization process.
• Define and maintain BOE requirements for the System.
• Collect and organize BOE results generated by the software team as part of the DevSecOps process.
• Publish, organize, and maintain BOE results in a Government-approved system (e.g., eMASS or Xacta).
• Support RMF processes by integrating Zero Trust controls into authorization packages, BOE artifacts, and compliance documentation.
• Identify, track, and support remediation of vulnerabilities and security gaps impacting Zero Trust implementation.
• Assess and implement Zero Trust principles and architectures within the Risk Management Framework (RMF) process to enhance security across digital assets.
• Develop and deliver training and awareness programs on Zero Trust principles and cybersecurity best practices.
• Stay current with emerging threats and cybersecurity trends to continuously improve security posture.
• Prepare and present reports on security assessments and compliance status to stakeholders.
• Conduct risk assessments to identify vulnerabilities and recommend mitigation strategies.
• Develop and maintain Zero Trust metrics, dashboards, and reporting for Government stakeholders.
• Provide technical guidance and recommendations to improve security posture and Zero Trust maturity.
• Support audits, assessments, and inspections related to cybersecurity and Zero Trust compliance.
• Participate in SAFe ceremonies including PI Planning, backlog refinement, sprint reviews, and retrospectives.

Basic Qualifications:

• Active Top Secret (TS) clearance with SCI eligibility.
• Bachelor’s degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline OR equivalent training/experience aligned to DoD 8140 pathways.

• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:

• Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., CASP+, GCED, GCIH, or equivalent),

• Offerings listed in the DoD 8140 Training Repository,
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• 12–15 years of relevant experience in cybersecurity, with a focus on Zero Trust, continuous monitoring, or cyber defense.
• Minimum of 5 years of experience in cybersecurity, with a focus on Zero Trust architectures and RMF processes.
• Experience implementing or supporting Zero Trust architecture in enterprise IT environments.
• Experience supporting RMF processes, including integration of security controls and compliance requirements.
• Experience analyzing cybersecurity data, vulnerabilities, and system behavior across enterprise systems.
• Experience working with cybersecurity tools and technologies related to identity, access management, network security, and monitoring.
• Experience supporting DoD or Federal cybersecurity operations.
• Strong understanding of cybersecurity frameworks and compliance requirements.
• Excellent communication and interpersonal skills to collaborate effectively with cross-functional teams.

Preferred Qualifications:

• Active TS/SCI clearance.
• Experience operating within SAFe or Agile frameworks supporting enterprise systems.
• Experience with DevSecOps practices and tools.
• Familiarity with cybersecurity tools and technologies relevant to Zero Trust implementations.
• Advanced certifications such as CISSP, CISM, or equivalent.
• Knowledge of cloud security principles and practices.
• Experience in conducting security training and awareness programs.
• Strong analytical and problem-solving skills.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Senior Information System Security Officer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!

Senior Information System Security Officer (ISSO)

Leidos currently has an opening for a Senior Information System Security Officer (ISSO) to work at our Annapolis Junction, MD location. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (ISS). The candidate will work with other security professionals in developing and implementing strategies to detect and mitigate threats to information systems, protect critical data sets, and provide assessments of system and network vulnerabilities.

Primary Roles and Responsibilities

• Provide support for implementing and enforcing information systems security policies, standards, and methodologies.
• Assist in the evaluation of security solutions to ensure they meet security requirements for processing multiple types of information.
• Assist with the Configuration Management for information system security software, hardware, and firmware.
• Analyze threats and develop and implement best practice methodologies for incident detection, reporting, and vulnerability remediation.
• Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades.
• Evaluate security solutions to ensure they meet security requirements for processing information.
• Maintain operational security posture for information systems.
• Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system/program/enclave.
• Develop and maintain documentation for Certification & Accreditation in accordance with specified policies.

• Develop and update system security plans and other IA documentation.

• Provide support for Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and system security scans, completing remediation, extending IAVA patches and security updates to designated sites, etc.).

• Provide CM for security-relevant information system software, hardware, and firmware.

• Develop system security policy and ensure compliance.
• Administer the user identification and authentication mechanisms of the Information System.

Basic Qualifications

• Bachelor’s degree in a related field and at least 12 years of relevant experience. Additional experience may be substituted for a degree.
• TS/SCI with polygraph security clearance.
• Must have at least 10 years of experience as ISSO working independently, and/or on teams maintaining secure information system operations in isolated, connected and standalone environments.
• Must have at least 5 years of experience using tools to support IAVA management.
• Must have at least 5 years of experience using tools to support the preparation, maintenance, and management of SSPs and other security related documentation.
• Demonstrated knowledge of and experience with several of the following: current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools.
• In-depth experience completing security evaluations of software systems or architectures to ensure they meet security requirements.
• In-depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program.
• Demonstrated experience performing day-to-day security operations of large, complicated information and information processing systems.
• Must be committed to developing and adhering to best practices.
• Must possess a high level of self-initiative and must be a solutions-oriented team player.
• Must have excellent interpersonal skills.

Preferred Qualifications

• Extensive experience as an Information Systems Security Officer on large software development and integration programs.
• DoD 8570 compliance with IAT Level II or higher.
• DoD 8570 compliance with IAM Level II or higher.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

careers.leidos.com/CONMD

CSSKEY

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 14, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks a highly qualified and trained Junior-level Media Malware Analysts to support United States Cyber Command (USCYBERCOM) operations by identifying and analyzing sophisticated malware threats targeting USCYBERCOM the Department of Defense Information Network (DODIN), and associated networks and organizations. This vital on-site support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES) underpins USCYBERCOM support to United States National Security objectives.

This opportunity is in anticipation of a potential future contract award.

What you’ll be doing:

• Provide timely, accurate, relevant support in manner that best supports USCYBERCOM in identifying and assessing emerging threats and vulnerabilities in the Cyberspace domain.
• Conduct forensic analysis of vulnerable or compromised systems and media and identify and analyze adversary TTPs and intrusion artifacts.
• Perform static and dynamic malware analysis, including reverse engineering and extracting malicious files from digital media and conduct detailed file analysis, as appropriate.
• Create technical analysis reports with actionable intelligence findings, delivering timely, accurate, relevant threat briefs and analysis updates that meet explicit and implied requirements, and deliver presentations to leadership in appropriate formats.
• Identify unique indicators for signature and heuristic development.
• Draft and support implementation of security incident response policies.
• Analyze operational reporting to correlate attack trends and shared tradecraft and support development and improvement of enterprise malware analysis tools.
• Conduct log/system analysis (routers, Windows, UNIX) for threat detection and update DoD situational awareness mechanisms (e.g., USCYBERCOM portals).
• Research open-source intel to inform threat assessments and signature creation.
• Develop and maintain validated MD5 hash lists for signature repositories
• Analyze and evaluate All-Source finished intelligence, single-source intelligence, and technical data from various sources to identify Cyber threat patterns and anomalies.
• Conduct and publish in-depth risk assessments to evaluate and categorize the risk posture of detected cyber threats while supporting development and refinement of risk assessment methodologies and tools used for threat categorization.
• Collaborate with operational, technical, and intelligence elements across USCYBERCOM to enhance situational awareness and threat response capabilities.
• Maintain a current understanding of advanced persistent threats (APTs), threat actor tactics, techniques, and procedures (TTPs), and cyber threat trends affecting national security.
• Maintain situational awareness of, and execute on demand, CO crisis plans.
• Provide situational awareness to range of projects, Crisis Action Teams, and current operations activities supporting Operational Planning Teams (OPTs)
• Execute resource allocation decisions aligned with organization objectives.
• Apply knowledge of cyber threats and attack methods and techniques emanating from state and non-state adversaries and tiered vulnerabilities within Blue Space as focus of threats.
• Review, approve, prioritize, and submit operational requirements for research, development, and/or acquisition of Cyber capabilities
• Interpret and apply laws, regulations, policies, and guidance relevant to daily activities
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret clearance with SCI eligibility and Polygraph required.
• Formal training within field of Media Malware Analysis, or BA/BS degree or higher within Computer Science, Cybersecurity, Software Engineering, Digital Forensics, or related field, or ability to complete degree within one year of hire. Can substitute formal education with extended experience and technical certifications.
• Two plus years’ demonstrated proficiency in malware analysis (static/dynamic), incident handling, and reverse engineering.
• Working experience with tools such as IDA Pro, Ghidra, Wireshark, Volatility, and sandbox environments.
• Intimate familiarity with network protocols, OS internals (Windows/Linux/UNIX), and cyber threat analysis
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct Defensive (DCO) and Offensive Cyberspace Operations (OCO)
• Knowledge of computer networking fundamentals as well as concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree or higher within Cybersecurity, Information Security, or related fields.
• Experience developing detection signatures and writing technical reports for leadership.
• Deep understanding of USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes
• Experience with Space-enabled CO.
• Formal training within field of Cyber Warfare and Joint Operations.
• Familiar with art of Data Science and applicability to CO.
• Familiar with Microsoft Power BI data visualization software.
• Desired Certifications (not all inclusive, no expectations for candidate to hold all certifications): GIAC Reverse Engineering Malware (GREM); Certified Reverse Engineering Analyst (CREA); Certified Malware Analyst (CMA); Digital Forensics and Incident Response (DFIR); GIAC Certified Forensic Analyst (GCFA); GIAC Cyber Threat Intelligence (GCTI).

COSS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 17, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a System Administrator for a technical development program supporting the Sponsor’s Attribute Services within the IDAM/ICAM space.As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native Service architecture that software development teams can leverage to use cloud capabilities. This role works directly with implementation teams to provide technical guidance and implementation priorities related to cloud implementation. This role requires supporting an on-call rotation to ensure mission critical services remain operational 24/7/365. Rotation is typically to be on-call 1 full calendar week every 2 months.

Primary Responsibilities

• This role provides technical leadership and delivers an innovative product, service, or a combination of products and services that address a customer's specific requirements.
• Support the development of enterprise software solutions within AWS.
• Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience.
• Security Patching
• Support of Servers in an AWS environment
• Provides execution guidance and practical engineering support to mission teams
• Ensures the mission critical application remains operational 24/7
• Supports a COTS service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems

Required Qualifications

• Active TS/SCI with Polygraph
• BS degree and 12+ years of relevant experience. Additional experience in lieu of degree
• Must be an expert in using Linux-based operating systems
• Must have strong Bash skills
• Must have experience with security accreditation process
• Must have experience with the Cloud / Amazon Web Services
• Must be able to support System Administration/Privileged Access duties including an on-call rotation for a week approximately every two months
• Experience with Elastic tools (Elasticsearch, Logstash, Kibana, and Beats)
• Experience in Cloud Technologies and infrastructure -as-code concepts
• Understanding of aspects of architect and design enterprise cloud solutions and AWS
• Excellent oral and written communications skills
• Detail-oriented mindset
• Experience interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security, Compliance and Quality Assurance
• Experience working in Agile environments
• Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.)
• Experience with AWS Console, CLI, and manage services utilizing cloud services to build infrastructure as a code in an automated fashion
• Ability to read and perform complex software and infrastructure deployment instructions

Desired Qualifications

• Container-related certification
• Certified Kubernetes Application Developer (CKAD) certification, demonstrating expertise in designing, building and running applications on Kubernetes
• Experience working with / handling Highly Sensitive Data
• Experience with LDAP technologies
• Minimum of one AWS Certification from the AWS Associate level (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate)
• 3+ years of C2S experience
• Cloud formation
• Managing complex Sponsor relationships and requirements gathering
• Experience with IAM / IdAM / ICAM delivery systems, Authentication, Authorization, and/or Attributes
• Experience with Tomcat

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 8, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks highly qualified and trained Junior-level Offensive Cyberspace Operational Planners to support Department of Defense Joint Planning processes that underpin United States Cyber Command (USCYBERCOM) operations, with focus on supporting power projection in and through cyberspace in support of Combatant Commander and National objectives. Individuals will engage in Cyberspace Operational Planning activities supporting Leidos on-site contract support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES).

This opportunity is in anticipation of a potential future contract award!

What you’ll be doing:

• Support approved plans development and staffing processes within collaborative environment to enable full spectrum Cyberspace Operations (CO) according to USCYBERCOM planning guidance and applicable Joint publications.
• Develop and synchronize OCO into plans to deliver integrated cyber effects against adversary systems in support of Joint and National strategic objectives.
• Draft and staff foundational planning documents such as Operational Plans (OPLANS), Operational Orders (OPORDs), and Fragmentary Orders (FRAGOs).
• Support targeting selection, validation, synchronization, and enable integration during the execution of activities within Cyber Warfare domain.
• Support Joint Operational Planning Groups and Teams (OPG/OPT), and develop and integrate Cyberspace capabilities into plans.
• Develop concepts of support, courses of action, integrate command and external capabilities, coordinate and document comprehensive plans.
• Engage in, and provide situational awareness to, range of projects, Crisis Action Teams, and current operations activities supporting OPTs.
• Demonstrate knowledge of cyber threats and attack methods and techniques emanating from state and non-state adversaries and tiered vulnerabilities within Blue Space as focus of threats
• Review, approve, prioritize, and submit operational requirements for research, development, and/or acquisition of cyber capabilities and develop and maintain deliberate and/or CO crisis plans.
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret/SCI (TS/SCI) security clearance with Polygraph is required for consideration.
• BA/BS degree within Computer Science, Cybersecurity, or relevant field of study supporting operational art & science, or ability to complete degree within one year of hire or eight plus years experience performing this role within the CMF. With a degree, 3 to 5 years recent (since 2018) work experience in the Cyber Mission Force or within a JFHQ-C.
• Demonstrated familiarity with OCO concepts, capabilities, and authorities (Title 10 vs. Title 50, and familiarity with military operations including phases of planning, approval, and execution.
• Strong familiarity with applicable Joint Publications.
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct OCO.
• Knowledge of computer networking fundamentals as well as concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree within Computer Science, Cybersecurity, or relevant field of study.
• Familiarity with USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes.
• Formal training within field of Cyber Warfare and Joint Operations.
• Completion of Service-specific or Joint Cyberspace Operational Planning courses, such as Army Cyberspace Operations Planners Course or Joint Cyberspace Operations Planners Course
• Demonstrated experience with development and delivery of CO-related training and support to exercise planning and execution at any level.
• Desired Certifications: DoD 8570 IAT Level II (CCNA Security, COMPTIA CySA+, COMPTIA Security + CE, GICSP, GSEC, SSCP).

COSS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 28, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Lead Penetration Tester

Leidos has a new and exciting opportunity for a Lead Penetration Tester in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is seeking a Lead Penetration Tester to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology on a large, complex program that provides system engineering, development, test, integration and operational support. The selected candidate will work on a team of cyber Subject Matter Experts (SMEs) who are providing support to a large, complex technical program for preventing, identifying, containing and eradicating cyber threats to networks through monitoring, intrusion detection, and protective security services on information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connections, public facing websites, security devices, servers and workstations. She/he will be responsible for the overall security of Enterprise-wide information systems, and will collect, investigate, and report any suspected and confirmed security violations.

Primary Responsibilities

• Perform internal and external pentests against systems to determine vulnerabilities and develop mitigation strategies.
• Perform web app pentests.
• Perform vulnerability risk assessments.
• Perform physical pentests and social engineering analysis.
• Perform cyber incident response as needed.
• Evaluate the impact of new development on the operational security posture of IT systems.
• Evaluate, review, and test critical software.
• Formulate security compliance requirements for new system features.
• Identify and remediate security issues throughout the system.
• Audit and assess system security configuration settings using common methodologies and tools.
• Work with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors, and remediation approaches.
• Work closely with System Engineering, Test Engineering, and Integration teams to ensure hardware and software architecture and implementations meet strict security requirements.
• Propose, assess, coordinate, implement, and enforce information systems security policies, standards, and methodologies.
• Serve as a Subject Matter Expert in security architecture, to include providing advice to Program Managers, Customer technical experts, and internal program teams.

Basic Qualifications

• Bachelor’s degree in a technical/information assurance field and at least 12 years of prior relevant experience. Additional years of experience and/or cyber certifications may be considered in lieu of a degree.
• Must have experience with penetration testing tools.

• Must have experience in web development and programming languages such as Java, XML, Perl and HTML.

• Must have experience with programming/scripting in Python, Powershell, C, JavaScript, etc.

• Must have extensive experience performing IT security risk assessments.
• Must have experience performing web app and physical pentests.
• Must have experience with or strong familiarity of the following Web Application tools; Burp Suite, Web Inspect, Appdetective.
• Must have experience with or strong familiarity of Kali.
• Must have experience with or strong familiarity of IPS/IDS solutions.

• Must have a strong understanding of the Cyber Kill Chain methodology.

• Must have experience applying Risk Management Framework.

• Must have experience with secure configurations of commonly used desktop and server operating systems.
• Must have the ability to effectively collaborate with technical staff and customers to form mitigation strategies and plan for continuous modernization and legacy integration.
• Must have experience managing multiple projects simultaneously and quickly and effectively adjusting to shifting priorities in resolving issues.

Preferred Qualifications

• ​Certifications in one or more of the following areas strongly preferred:

• GIAC Web Applications Penetration Tester (GWAPT)

• GIAC Penetration Tester (GPEN)
• Certified Ethical Hacker (CEH)
• Certified Information Security Manager (CISM)
• Certified Web Application Defender (GWEB)
• Certified Information System Security Professional (CISSP)
• Extensive experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
• Extensive experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass development, design, and implementation.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

careers.leidos.com/CONMD

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CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

November 4, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The U.S. Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a U.S. Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial internet connection, public facing websites, wireless, mobile/cellular, various cloud environments, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

Primary Responsibilities:

• Will conduct cyber threat analysis, identifying mitigation and/or remediation courses of action; developing actionable intelligence used to protect organizational IT assets; and trending cyber threat metrics for leadership situational awareness.
• Responsible for maintaining a comprehensive understanding of the cyber threat landscape, including identifying and analyzing cyber threats actors and/or activities to enhance cybersecurity posture of an the organization’s IT operating environment.
• Identify, track and investigate, and write technical products for dissemination to stakeholders regarding high priority threat campaigns, malicious actors, APTs, emerging threats, etc.
• Bring a comprehensive understanding, analyzing and tracking the cyber threat landscape, including identifying and analyzing cyber threats actors, APT TTPs and/or activities to enhance cybersecurity posture of the organization’s IT operating environment.
• Provide support to the Security Operations Center during incident response and threat intelligence activities that includes cyber threat analysis support, research, recommending relevant remediation and mitigation.
• Will be responsible for developing scripts to support cyber threat detection that outputs results in a variety of formats, such as VB scripts, Python, C++, HTML, XML or other type most appropriate for the task.
• Conduct trending and correlation of various cyber intelligence sources for the purposes of indicator collection, shifts in TTPs, attribution and establishing countermeasures to increase cyber resiliency

Will be responsible for:

• Producing high quality technical and non-technical products, briefings, whitepapers, etc., with minimal supervision and emphasis on effective/accurate reporting on product topics.
• Maintain situational awareness of emerging threats, zero days, vulnerabilities and other threats against customer systems, networks, and assets.
• Process technical data from various sources and fuse the data with intelligence reporting to improve the security posture of the customer, as well as manage Threat Intelligence tools security tools such as Analyst1.

Basic Qualifications:

• The candidate must currently possess a Top Secret Clearance Eligibility with the ability to obtain a TS/SCI.  In addition to clearance requirement, all CBP personnel must have a current or be able to favorably pass a 5-year background investigation (BI).

• BS in IT related field or higher and 4-8 years’ experience in an information technology field with a minimum of 5 years of experience as a Tier II senior cyber security analyst performing intelligence analysis, collection management, and technical analysis. Additional years of experience or certs may be considered in lieu of a degree.

• 3+ years of recent experience with host-based and network-based security monitoring solutions and to include security content recommendation or development (host based and network signatures).
• 2 years recent experience with host-based and network-based security monitoring using cybersecurity capabilities.
• Must be experienced developing scripts to support cyber threat detection that outputs results in a variety of formats, such as VB scripts, Python, C++, HTML, XML or other.
• Ability to work independently with minimal direction; self-starter/self-motivated

Required certifications:

The candidate should have at minimum ONE of the following certifications prior to starting on contract

• Certified Information System Security Professional (CISSP).
• SANS - GCIA – Intrusion Analyst
• SANS - GREM – Reverse Engineering Malware
• SANS - GISF – Security Fundamentals
• SANS - GXPN – Exploit Researcher and Advanced Penetration Tester
• SANS - GMON – Continuous Monitoring Certification
• OSCP (Certified Professional)
• OSCE (Certified Expert)
• OSWP (Wireless Professional)
• OSEE (Exploitation Expert)
• CCSP – Certified Cloud Security Professional
• LPT – Licensed Penetration Tester
• ECSA – EC-Council Certified Security Analyst
• Cyber Analyst Couse

Preferred Qualifications:

• A minimum of five (5) years of hands-on experience with experience in the last two (2) years that includes host-based and network based security monitoring using cybersecurity capabilities.
• Previous DOD, IC or Law Enforcement Intelligence or Counter Intelligence Training/Experience
• Knowledge of Structured Analytic Techniques
• Degree in Applied Intelligence or Advanced Degree in Cyber Security or related field.

Clearance:

• All Department of Homeland Security CBP SOC employees are required to favorably pass a 5-year (BI) Background Investigation

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

November 12, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

​​Looking for an opportunity to make an impact? Join the Leidos Digital Modernization (DigiMod) team in accelerating information technology in a changing world where we make a difference by modernizing critical networks for our government and commercial customers.

​

​At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

​Are you ready to challenge yourself with an organization that encourages & supports career growth on an enterprise-wide scale? Your greatest work is ahead!

​

​We are in search of a Senior Network Engineer to join our Agile Network Operations Cell supporting Department of the Air Force Air Combat Command’s (ACC) base readiness initiative. As a Network Engineer, you will be the primary Base Area Network (BAN) technical expert for a regional grouping of ACC bases representing Leidos with our government customer as well as providing support to other ACC locations. This position is responsible for providing expertise, guidance, and execution support for LAN architecture design, sustainment and system modernizations.  Qualified candidates will have in depth technical knowledge and extensive hands-on networking skills as well as strong communication and ability to work as part of an integrated government and contractor team.

The effort is based in Hampton, VA supporting ACC Headquarters, but support may be required near any of the following locations:  Goldsboro, NC; Sumter, SC; and Valdosta, GA. The candidate must be able to travel.

TRAVEL: 50%

​Clearance Required:

• ​Must be a US Citizen and have at a minimum an Active Secret clearance

Primary Responsibilities

• ​Provide overall network engineering support for a broad range of programs including planning, designing, and evaluating various components of the network.
• Provide specifications for network architecture, identify technical capability gaps, evaluate and recommend new technologies to enhance current capabilities, and perform needs assessments.
• Develop, recommend, and implement approved network configurations according to local change management processes

• Duties may include monitoring, installation, cabling/wiring, modification, troubleshooting, repairs and maintenance, testing and servicing of network equipment

• ​Draft and review technical documentation and communicate technical requirements

• ​Participate in testing to ensure requirements are adequately met

• ​Develop and facilitate training of the operations team on newly deployed equipment

• ​​Support the project lifecycle for infrastructure and technology changes

• ​Foster an environment of collaboration with the government customer

Basic Qualifications.

• Requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience.

• ​Additional years of experience may be accepted in lieu of degree

• ​Extensive experience with designing, configuring, and troubleshooting Transmission Control Protocol/Internet Protocol (TCP/IP) networks to include hardware (switches, routers), software (operating system), network management systems, network access control (NAC), quality of service (QoS), network services (timing, logging, etc.), and distribution systems (fiber and copper cables and infrastructure).

• Experience with Network Administration, Network Security, Networking Standards, Network Protocols, NIST/FISMA standards and controls

• Ability to write and verbally communicate complex networking, security and risk-related concepts effectively to both technical and non-technical audiences.

• ​Must have strong problem-solving, analytical, communication and people skills

• Experience in IPv4 and IPv6 implementation
• Experience with CCC/DNAC and ISE
• Understanding of Zero Trust principles to include network segmentation best practices and experience implementing C2C

Must possess one of the following certifications: 

• ​SecurityX / CASP+

• ​CCNP Security

• CCSP

• ​GCED

• ​GCIA

• ​GCLD

• ​GDSA

• ​GFACT

​Clearance Required:

• ​Must be a US Citizen and have at a minimum an Active Secret clearance

Preferred Qualifications.

• ​Demonstrated experience with an Air Force or Department of War Customer, and/or prior military experience
• Experience designing, implementing, and managing SDN, virtualization, and SDA solutions
• Experience implementing and/or using SIEM/SOAR platforms and other networking tools to include Splunk, Solarwinds, and automation tools
• Experience in network planning, design, and management strategies for an enterprise Wireless LAN including advanced wireless site surveying, security design, and troubleshooting of Wireless LAN design and familiarity with wireless networking components and management tools for Cisco and HPE wireless solutions.
• Familiarity with the Risk Management Framework and the government Authority to Operate process.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 5, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact? Join the Leidos Digital Modernization (DigiMod) team in accelerating information technology in a changing world where we make a difference by modernizing critical networks for our government and commercial customers.

​

​At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

​Are you ready to challenge yourself with an organization that encourages & supports career growth on an enterprise-wide scale? Your greatest work is ahead!

​

​We are in search of a Network Engineer to join our Agile Network Operations Cell supporting Department of the Air Force Air Combat Command’s (ACC) base readiness initiative. As a Network Engineer, you will be the primary Base Area Network (BAN) technical expert for a regional grouping of ACC bases representing Leidos with our government customer as well as providing support to other ACC locations. This position is responsible for providing expertise, guidance, and execution support for LAN architecture design, sustainment and system modernizations.  Qualified candidates will have in depth technical knowledge and extensive hands-on networking skills as well as strong communication and ability to work as part of an integrated government and contractor team.

The effort supports the ACC Headquarters, but support may be required at any of the following locations:  Mountain Home AFB, Beale AFB, Nellis AFB, and Creech AFB; The candidate must be able to travel.

TRAVEL: 50%

Clearance Requirements:

Must be a US Citizen and have at a minimum an Active Secret clearance.

Primary Responsibilities

• ​Provide overall network engineering support for a broad range of programs including planning, designing, and evaluating various components of the network.
• Provide specifications for network architecture, identify technical capability gaps, evaluate and recommend new technologies to enhance current capabilities, and perform needs assessments.
• Develop, recommend, and implement approved network configurations according to local change management processes

• Duties may include monitoring, installation, cabling/wiring, modification, troubleshooting, repairs and maintenance, testing and servicing of network equipment

• ​Draft and review technical documentation and communicate requirements.

• ​Participate in testing to ensure requirements are adequately met

• ​Develop and facilitate training of the operations team on newly deployed equipment

• ​​Support the project lifecycle for infrastructure and technology changes

• ​Foster an environment of collaboration with the government customer

• Basic Qualifications.

• BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience

• ​Additional years of experience may be accepted in lieu of degree

• ​Experience with designing, configuring, and troubleshooting Transmission Control Protocol/Internet Protocol (TCP/IP) networks to include hardware (switches, routers), software (operating system), network management systems, network access control (NAC), quality of service (QoS), network services (timing, logging, etc.), and distribution systems (fiber and copper cables and infrastructure).

• Experience with Network Administration, Network Security, Networking Standards, Network Protocols, NIST/FISMA standards and controls.

• Ability to write and verbally communicate complex networking, security and risk-related concepts effectively to both technical and non-technical audiences.

• ​Must have strong problem-solving, analytical, communication and people skills

• Experience in IPv4 and IPv6 implementation
• Experience with CCC/DNAC and ISE
• Understanding of Zero Trust principles to include network segmentation best practices and experience implementing C2C

Must possess one of the following certifications: 

• ​SecurityX / CASP+

• ​CCNA

• ​CCNP Security

• CEH

• ​GCED

• ​GCIA

• ​GCLD

• ​GDSA

• ​GFACT

• GICSP
• GSEC
• Security +
• SSCP

​Clearance Required:

• ​ Must be a US Citizen and have at a minimum an Active Secret clearance.

Preferred Qualifications.

• ​Demonstrated experience with an Air Force or Department of War Customer, and/or prior military experience
• Experience designing, implementing, and managing SDN, virtualization, and SDA solutions
• Experience implementing and/or using SIEM/SOAR platforms and other networking tools to include Splunk, Solarwinds, and automation tools
• Experience in network planning, design, and management strategies for an enterprise Wireless LAN including advanced wireless site surveying, security design, and troubleshooting of Wireless LAN design and familiarity with wireless networking components and management tools for Cisco and HPE wireless solutions.
• Familiarity with the Risk Management Framework and the government Authority to Operate process.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 5, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

​​Looking for an opportunity to make an impact? Join the Leidos Digital Modernization (DigiMod) team in accelerating information technology in a changing world where we make a difference by modernizing critical networks for our government and commercial customers.

​

​At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

​Are you ready to challenge yourself with an organization that encourages & supports career growth on an enterprise-wide scale? Your greatest work is ahead!

​

​We are in search of a Network Engineer to join our Agile Network Operations Cell supporting Department of the Air Force Air Combat Command’s (ACC) base readiness initiative. As a Network Engineer, you will be the primary Base Area Network (BAN) technical expert for a regional grouping of ACC bases representing Leidos with our government customer as well as providing support to other ACC locations. This position is responsible for providing expertise, guidance, and execution support for LAN architecture design, sustainment and system modernizations.  Qualified candidates will have in depth technical knowledge and extensive hands-on networking skills as well as strong communication and ability to work as part of an integrated government and contractor team.

The effort supports the ACC Headquarters, but support may be required at any of the following locations:  Abilene, TX; Tuscan, AZ; Alamogordo, NM; Omaha, NE; Rapid City, SD; Grand Forks, ND; The candidate must be able to travel.

TRAVEL: 50%

Clearance Requirements:

Must be a US Citizen and have at a minimum an Active Secret clearance.

Primary Responsibilities

• ​Provide overall network engineering support for a broad range of programs including planning, designing, and evaluating various components of the network.
• Provide specifications for network architecture, identify technical capability gaps, evaluate and recommend new technologies to enhance current capabilities, and perform needs assessments.
• Develop, recommend, and implement approved network configurations according to local change management processes

• Duties may include monitoring, installation, cabling/wiring, modification, troubleshooting, repairs and maintenance, testing and servicing of network equipment

• ​Draft and review technical documentation and communicate requirements.

• ​Participate in testing to ensure requirements are adequately met

• ​Develop and facilitate training of the operations team on newly deployed equipment

• ​​Support the project lifecycle for infrastructure and technology changes

• ​Foster an environment of collaboration with the government customer

• Basic Qualifications.

• BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience

• ​Additional years of experience may be accepted in lieu of degree

• ​Experience with designing, configuring, and troubleshooting Transmission Control Protocol/Internet Protocol (TCP/IP) networks to include hardware (switches, routers), software (operating system), network management systems, network access control (NAC), quality of service (QoS), network services (timing, logging, etc.), and distribution systems (fiber and copper cables and infrastructure).

• Experience with Network Administration, Network Security, Networking Standards, Network Protocols, NIST/FISMA standards and controls.

• Ability to write and verbally communicate complex networking, security and risk-related concepts effectively to both technical and non-technical audiences.

• ​Must have strong problem-solving, analytical, communication and people skills

• Experience in IPv4 and IPv6 implementation
• Experience with CCC/DNAC and ISE
• Understanding of Zero Trust principles to include network segmentation best practices and experience implementing C2C

Must possess one of the following certifications: 

• ​SecurityX / CASP+

• ​CCNA

• ​CCNP Security

• CEH

• ​GCED

• ​GCIA

• ​GCLD

• ​GDSA

• ​GFACT

• GICSP
• GSEC
• Security +
• SSCP

​Clearance Required:

• ​ Must be a US Citizen and have at a minimum an Active Secret clearance.

Preferred Qualifications.

• ​Demonstrated experience with an Air Force or Department of War Customer, and/or prior military experience
• Experience designing, implementing, and managing SDN, virtualization, and SDA solutions
• Experience implementing and/or using SIEM/SOAR platforms and other networking tools to include Splunk, Solarwinds, and automation tools
• Experience in network planning, design, and management strategies for an enterprise Wireless LAN including advanced wireless site surveying, security design, and troubleshooting of Wireless LAN design and familiarity with wireless networking components and management tools for Cisco and HPE wireless solutions.
• Familiarity with the Risk Management Framework and the government Authority to Operate process.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 5, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our Intelligence Sector, Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits Leidos Pay and Benefits, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!

This position is eligible for a 15k sign on bonus!

Job Summary:

The Senior ISSO plays a vital role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks. This multi-year, high-impact program supports our customer site in Annapolis Junction, MD, focusing on the development, integration, deployment, and sustainment of cutting-edge large-scale collection systems.

As part of this mission-critical contract, you will have the opportunity to work independently, innovate with emerging technologies, and contribute directly to national security. If you're passionate about solving complex security challenges and making a tangible impact, this is the role for you. Your greatest work is ahead!

Responsibilities Include:

• Enhancing security posture by supporting the program, organization, system, or enclave’s information assurance initiatives and enforcing security policies, standards, and methodologies.
• Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk assessments for accreditation.
• Managing configuration and system integrity by administering configuration management (CM) for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes.
• Developing and maintaining security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
• Ensuring compliance with security authorization activities following the Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).
• Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures, and collaborating with stakeholders to strengthen the security posture.
• Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience.

Basic Qualifications:

• Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or a related discipline, plus 12+ years of relevant experience. In lieu of a degree, an additional 4 years of experience may be considered on a case by case basis.
• Industry Expertise: 7+ years of ISSO experience supporting IC or DoD programs and contracts of similar scope, type, and complexity.
• Experience with customer Info Security tool suite
• Certifications & Compliance: DoD 8570 compliance with IAM Level II or IAT Level III (CASP, CISSP, or Associate).
• Clearance Requirement: Must hold an active TS/SCI with Polygraph.

KQW

conmd

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

January 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks highly qualified and trained Journeyman-level Offensive Cyberspace Operational Planners to support Department of Defense Joint Planning processes that underpin United States Cyber Command (USCYBERCOM) operations, with focus on supporting power projection in and through cyberspace in support of Combatant Commander and National objectives. Individuals will engage in Cyberspace Operational Planning activities supporting Leidos on-site contract support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES).

This opportunity is in anticipation of a potential future contract award.

What you’ll be doing:

• Engage in approved plans development and staffing processes within collaborative environment to enable range of Cyberspace Operations (CO) according to USCYBERCOM planning guidance and applicable Joint publications.
• Develop and synchronize Offensive Cyberspace Operational (OCO) plans to deliver integrated cyber effects against adversary systems in support of Joint and National strategic objectives.
• Support targeting selection, validation, synchronization, and enable integration during the execution of activities within Cyber Warfare domain
• Draft and staff foundational planning documents such as Operational Plans (OPLANS), Operational Orders (OPORDs), and Fragmentary Orders (FRAGOs).
• Support Joint Operational Planning Groups and Teams (OPG/OPT), and develop and integrate Cyberspace capabilities into plans.
• Develop concepts of support, courses of action, integrate command and external capabilities, coordinate and document comprehensive plans.
• Engage in, and provide situational awareness to, range of projects, Crisis Action Teams, and current operations activities supporting OPTs.
• Demonstrate knowledge of cyber threats and attack methods and techniques emanating from state and non-state adversaries and tiered vulnerabilities within Blue Space as focus of threats.
• Review, approve, prioritize, and submit operational requirements for research, development, and/or acquisition of cyber capabilities.
• Analyze and assess internal and external partner CO capabilities and tools.
• Transition operational planning efforts to current operations.
• Navigate organizational structure as it pertains to full spectrum CO, including the functions, responsibilities, and interrelationships among distinct internal elements.
• Integrate and synchronize intelligence planning activities with operational planning timelines.
• Conduct long-range, strategic planning efforts with internal and external partners in cyber activities.
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret clearance with SCI eligibility and Polygraph required.
• BA/BS degree within Computer Science, Cybersecurity, or relevant field of study.
• Six plus years recent (since 2018) work experience as CO Planner; can waive two years of experience requirement for every year spent on a Combat Mission Team (CMT) in any work role.
• Demonstrated familiarity with OCO concepts, capabilities, and authorities (Title 10 vs. Title 50, and familiarity with military operations including phases of planning, approval, and execution.
• Intimate familiarity with applicable Joint Publications.
• Formal training as Cyber Operational Planner within Department of Defense or Intelligence Community.
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct OCO.
• Knowledge of the range of CO and their underlying intelligence support needs, topics, and focus areas.
• Knowledge of computer networking fundamentals as well as concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Able to work across Department of Defense and Intelligence Community agencies to support organizational goals.

Favorable if you have:

• Masters’ Degree within Computer Science, Cybersecurity, or relevant field of study.
• Familiarity with USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes.
• Experience with Space-enabled CO.
• Joint Professional Military Education, Phase II (JPME II) graduate, or civilian equivalency.
• Formal training within field of Cyber Warfare and Joint Operations.
• Completion of Service-specific or Joint Cyberspace Operational Planning courses, such as Army Cyberspace Operations Planners Course or Joint Cyberspace Operations Planners Course.
• Familiar with art of Data Science and applicability to CO.
• Familiar with Microsoft Power BI data visualization software.
• Desired Certifications: DoD 8570 IAT Level II (CCNA Security, COMPTIA CySA+, COMPTIA Security + CE, GICSP, GSEC, SSCP).

COSS

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

August 28, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks a highly qualified and trained Journeyman-level Media Malware Analysts to support United States Cyber Command (USCYBERCOM) operations by identifying and analyzing sophisticated malware threats targeting USCYBERCOM the Department of Defense Information Network (DODIN), and associated networks and organizations. This vital on-site support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES) underpins USCYBERCOM support to United States National Security objectives. This opportunity is in anticipation of a future contract award!

What you’ll be doing:

• Provide timely, accurate, relevant support in manner that best supports USCYBERCOM in identifying and assessing emerging threats and vulnerabilities in the Cyberspace domain.
• Conduct forensic analysis of vulnerable or compromised systems and media and identify and analyze adversary TTPs and intrusion artifacts.
• Perform static and dynamic malware analysis, including reverse engineering and extracting malicious files from digital media and conduct detailed file analysis, as appropriate.
• Create technical analysis reports with actionable intelligence findings, delivering timely, accurate, relevant threat briefs and analysis updates that meet explicit and implied requirements, and deliver presentations to leadership in appropriate formats.
• Identify unique indicators for signature and heuristic development.
• Draft and support implementation of security incident response policies.
• Analyze operational reporting to correlate attack trends and shared tradecraft and support development and improvement of enterprise malware analysis tools.
• Conduct log/system analysis (routers, Windows, UNIX) for threat detection and update DoD situational awareness mechanisms (e.g., USCYBERCOM portals).
• Research open-source intel to inform threat assessments and signature creation.
• Develop and maintain validated MD5 hash lists for signature repositories
• Analyze and evaluate All-Source finished intelligence, single-source intelligence, and technical data from various sources to identify Cyber threat patterns and anomalies.
• Conduct and publish in-depth risk assessments to evaluate and categorize the risk posture of detected cyber threats while supporting development and refinement of risk assessment methodologies and tools used for threat categorization.
• Collaborate with operational, technical, and intelligence elements across USCYBERCOM to enhance situational awareness and threat response capabilities.
• Maintain a current understanding of advanced persistent threats (APTs), threat actor tactics, techniques, and procedures (TTPs), and cyber threat trends affecting national security.
• Maintain situational awareness of, and execute on demand, CO crisis plans.
• Provide situational awareness to range of projects, Crisis Action Teams, and current operations activities supporting Operational Planning Teams (OPTs)
• Execute resource allocation decisions aligned with organization objectives.
• Apply knowledge of cyber threats and attack methods and techniques emanating from state and non-state adversaries and tiered vulnerabilities within Blue Space as focus of threats.
• Review, approve, prioritize, and submit operational requirements for research, development, and/or acquisition of Cyber capabilities
• Interpret and apply laws, regulations, policies, and guidance relevant to daily activities
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret clearance with SCI eligibility and Polygraph required.
• BA/BS degree or higher within Computer Science, Cybersecurity, Software Engineering, Digital Forensics, or related field, or ability to complete degree within one year of hire. Can substitute formal education with extended experience and technical certifications.
• Five plus years’ demonstrated proficiency in malware analysis (static/dynamic), incident handling, and reverse engineering.
• Working experience with tools such as IDA Pro, Ghidra, Wireshark, Volatility, and sandbox environments.
• Intimate familiarity with network protocols, OS internals (Windows/Linux/UNIX), and cyber threat analysis
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct Defensive (DCO) and Offensive Cyberspace Operations (OCO)
• Knowledge of computer networking fundamentals as well as concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree or higher within Cybersecurity, Information Security, or related fields.
• Experience developing detection signatures and writing technical reports for leadership.
• Deep understanding of USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes
• Experience with Space-enabled CO.
• Formal training within field of Cyber Warfare and Joint Operations.
• Familiar with art of Data Science and applicability to CO.
• Familiar with Microsoft Power BI data visualization software.
• Desired Certifications (not all inclusive, no expectations for candidate to hold all certifications): GIAC Reverse Engineering Malware (GREM); Certified Reverse Engineering Analyst (CREA); Certified Malware Analyst (CMA); Digital Forensics and Incident Response (DFIR); GIAC Certified Forensic Analyst (GCFA); GIAC Cyber Threat Intelligence (GCTI).

COSS

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

June 17, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks highly qualified and trained Journeyman-level Joint Fires Operational Planners to support United States Cyber Command (USCYBERCOM) operations, with focus on applying principles of Joint Targeting and Operational Planning processes to secure USCYBERCOM tactical objectives, reach operational goals, and actualize strategic end-states. This vital on-site support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES) underpins USCYBERCOM support to United States National Security objectives.

This opportunity is in anticipation of a potential future contract award.

What you’ll be doing:

• Provide timely, accurate, relevant Operational Planning support in the manner that best underpins and drives USCYBERCOM Joint Fires Targeting process.
• Coordinate targeting strategy development and engagement responsibilities with supported, supporting, and partner commands such as Defense Information Systems Agency (DISA), National Security Agency (NSA), other interagency organizations and other service providers to ensure that USCYBERCOM and/or Cyber Mission Forces Joint Fires requirements are implemented.
• Develop cyber TTPs that advise future operations planners on achieving Cyberspace Operations effects within the "realm of the possible" in support of operations and exercise objectives.
• Act as technical liaison on behalf of the USCYBERCOM Operations Directorate between capability SMEs and capability developers, capability testers, planning teams, operations support staff, and operating units during planning and operations.
• Draft and assist in the development of USCYBERCOM joint targeting policies, procedures, and commander's targeting guidance.
• Participate in Boards, Bureaus, Centers, Cells, and Working Groups (B2C2WGs) such as Joint Targeting Working Groups (JTWG), Joint Targeting Coordination Meetings (JTCM), and Joint Targeting Coordination Boards (JTCB), to prioritize and synchronize target requirements.
• Prepare strike packages, Cyber fires approval packages, Information Operations target packages, and otherwise support all USCYBERCOM non-kinetic fires activities.
• Synchronize targeting methodologies across Cyber and information-related capabilities.
• Monitor and manage intermediate and advanced target development lists and support conduct target development, target systems analysis, and Cyber weapons capability analysis.
• Support integration of targeting activities into the broader joint targeting cycle, including interagency coordination.
• Facilitate the transition of Fires tasks, as appropriate to Cyber Mission Force (CMF).
• Analyze and evaluate All-Source finished intelligence and technical data from various sources to identify Cyber threat patterns and anomalies.
• Collaborate with operational, technical, and intelligence elements across USCYBERCOM to enhance situational awareness and threat response capabilities.
• Maintain a current understanding of advanced persistent threats (APTs), threat actor tactics, techniques, and procedures (TTPs), and cyber threat trends affecting national security.
• Maintain situational awareness of, and execute on demand, Cyberspace Operations (CO) crisis plans.
• Provide situational awareness to a range of projects, Crisis Action Teams, and current operations activities supporting Operational Planning Teams (OPTs).
• Execute resource allocation decisions aligned with organization objectives.
• Interpret and apply laws, regulations, policies, and guidance relevant to daily activities.
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret/SCI (TS/SCI) security clearance with Polygraph required.
• BA/BS degree or higher within Cybersecurity, Computer Science, Intelligence Studies, or related field, or ability to complete degree within one year of hire. Can substitute formal education with extended experience and technical certifications. Additional years of experience may be considered in lieu of degree.
• Five to eight plus years’ experience supporting CO or intelligence operations, with a focus on support to Joint Targeting. Will accept 10 years’ experience combined across CO, Information Operations, Joint Targeting, and Operational Planning fields.
• DoD or Intelligence Community (IC)-sponsored certification for Joint Targeting.
• Graduate of DoD or IC-sponsored operational planning training and conversant in Joint Operations Planning process, to include all applicable foundational doctrine and methodologies.
• Demonstrated familiarity with target management systems (e.g., MIDB, Coliseum, CAT Targeting Toolkits) supporting non-kinetic effects.
• Working understanding of Joint Targeting Cycle and related doctrine (e.g., CJCSI 3370.01, JP 3-60).
• DOD 8140/DOD 8570 IAT Level II Certified.
• Strong familiarity with CO, the DoD Information Environment, and Joint Fires process.
• Demonstrated experience working with targeting Boards and Working Groups (JTWG, JTCM, JTCB) and able to lead boards or working groups, as necessary.
• Independently conduct intermediate target development and preliminary collateral effects analysis.
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct Defensive (DCO) and Offensive Cyberspace Operations (OCO), as well as computer networking fundamentals and concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree or higher within Cybersecurity, Intelligence Studies, Information Security or related fields.
• Deep understanding of USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes.
• Experience with Space-enabled CO.
• Formal training within field of Cyber Warfare and Joint Operations.
• Familiar with art of Data Science and applicability to CO.
• Familiar with Microsoft Power BI data visualization software.
• Desired Certifications: DoD 8570 IAT Level II (CCNA Security, COMPTIA CySA+, COMPTIA Security + CE, GICSP, GSEC, SSCP).

COSS

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

July 18, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a System Administrator for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The System Administrator will work with a large team of developers, software engineers, and data engineers in order to design, develop, implement, and maintain a Cloud-Native Service Architecture that Software Development teams will leverage to use cloud capabilities. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems. This role works directly with implementation teams to provide technical guidance and implementation priorities related to cloud implementation. This role requires supporting an on-call rotation to ensure mission critical services remain operational 24/7/365. Rotation is typically to be on-call 1 full calendar week every 2 months.

Primary Responsibilities:

• This Role provides technical guidance and delivers an innovative product, service for a combination of products and services that address a customer’s specific requirements.
• Supports the development of enterprise software solutions with AWS.
• Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience
• Security Patching
• Support of Servers in an AWS environment
• Provides execution guidance and practical engineering support for mission teams
• Ensures that mission critical applications remain operation 24/7
• Supports a COTS service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems
• Strong communication, design, and documentation skills
• Strong time and workflow management skills
• Work within the parameters of Agile & Scrum methodologies

Required Quals:

• Active TS/SCI with Polygraph
• BS degree and 12+ years' experience. Additional experience in lieu of degree.
• Must be an Expert in using Linux-based operating systems with strong experience working in Command Line (Bash)
• Must have experience with security accreditation process
• Must have experience with the Cloud / Amazon Web Services
• Experience in Cloud Technologies and infrastructure -as-code concepts in an automated fashion
• Understanding of aspects of architect and design enterprise cloud solutions and AWS
• Must be able to support System Administration/Privileged Access duties including an on-call rotation for a week approximately every two months
• Experience with Elastic tools (Elasticsearch, Logstash, Kibana, and Beats)
• Must be detailed oriented and have excellent oral and written communications skills
• Experience interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security, Compliance and Quality Assurance
• Must have experience working in Agile environments
• Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.)
• Ability to read and perform complex software and infrastructure deployment instructions

Desired Quals:

• Experience with LDAP Technologies
• Minimum of one AWS Certification from the AWS Associate level (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate)
• 3+ years of C2S experience
• Experience with Cloud Formation, Tomcat, NGINX
• Understanding and knowledge with Identity and Accessibility development practices IAM / IdAM / ICAM delivery systems, Authentication, Authorization, and/or Attributes
• Experience with containerization implementations
• Familiarity with Ansible, Javascript, and SQL

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

January 14, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a Senior Software Engineer to support the maritime autonomy team. In this position you will work in a diverse environment that allows you to get into every aspect of software development, and deployment across the software development lifecycle. You will be joining an existing team which has already successfully delivered for our customers and plan to continue their reputation of excellence. You will closely work with the Development team as well as other technology stakeholders to maintain, develop and support several projects in an Agile SAFe environment. You will be responsible for design, development, testing, and automation of software solutions.

Primary Responsibilities

• Analyze, design, code and update software for new features and performance improvements.
• Implement, and testing C++ software for Linux systems.
• Experience with interface communication standards / protocols such as TCP/IP, UDP, and DDS.
• Collaborate with all teams to support software deployments and integrations.
• Documenting the developed systems.

Basic Qualifications

• US Citizen with the ability to obtain a SECRET clearance.
• Bachelor’s degree with 8 or more years of prior relevant work experience or Masters with 6 or more years of prior relevant work experience. Will consider additional work experience in lieu of a degree.
• Bachelor’s Degree in fields like Computer Science, Information Technology, Network Engineering, etc.
• Strong experience in C++ software development
• Demonstrated experience troubleshooting issues with most of the following tools: Jira, Confluence, Bamboo, Jenkins, and programming in a Linux environment.

Preferred Qualifications

• Experience with interface communication standards / protocols such as TCP/IP, UDP, and DDS
• Experience integrating software into third-party software frameworks and architectures, such as RTI DDS
• Advanced knowledge of the Linux operating system
• Experience with other programming languages such as Java and Python
• Demonstrated experience working with virtualization technologies (e.g., VMware, KVM).
• Demonstrated experience with Docker and Kubernetes (RKE2) in containerization, Kubernetes management and automation technologies.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

January 16, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks highly qualified and trained Senior-level Joint Fires Operational Planners to support United States Cyber Command (USCYBERCOM) operations, with focus on applying principles of Joint Targeting and Operational Planning processes to secure USCYBERCOM tactical objectives, reach operational goals, and actualize strategic end-states. This vital on-site support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES) underpins USCYBERCOM support to United States National Security objectives. This opportunity is in anticipation of a future contract award!

What you’ll be doing:

• Lead provision of timely, accurate, relevant Operational Planning support the underpins and drives USCYBERCOM Joint Fires Targeting process.
• Coordinate targeting strategy development and engagement responsibilities with supported, supporting, and partner commands such as Defense. Information Systems Agency (DISA), National Security Agency (NSA), other interagency organizations and other service providers to ensure that USCYBERCOM and/or Cyber Mission Forces Joint Fires requirements are implemented.
• Develop and deliver Cyber-focused TTPs that advise future operations planners on achieving Cyberspace Operations effects within the "realm of the possible" in support of operations and exercise objectives.
• Act as technical liaison on behalf of the USCYBERCOM Operations Directorate between capability SMEs and capability developers, capability testers, planning teams, operations support staff, and operating units during planning and operations.
• Develop, coordinate, and deliver USCYBERCOM joint targeting policies, procedures, and commander's targeting guidance.
• Participate and lead, where appropriate, Boards, Bureaus, Centers, Cells, and Working Groups (B2C2WGs) such as Joint Targeting Working Groups (JTWG), Joint Targeting Coordination Meetings (JTCM), and Joint Targeting. Coordination Boards (JTCB), to prioritize and synchronize target requirements
• Prepare strike packages, Cyber fires approval packages, Information Operations target packages, and otherwise support all USCYBERCOM non-kinetic fires activities.
• Synchronize targeting methodologies across Cyber and information-related capabilities.
• Manage intermediate and advanced target development lists and support conduct target development, target systems analysis, and Cyber weapons capability analysis.
• Support integration of targeting activities into the broader joint targeting cycle, including interagency coordination.
• Facilitate the transition of Fires tasks, as appropriate to Cyber Mission Force (CMF).
• Analyze and evaluate All-Source finished intelligence and technical data from various sources to identify Cyber threat patterns and anomalies.
• Collaborate with operational, technical, and intelligence elements across. USCYBERCOM to enhance situational awareness and threat response capabilities.
• Maintain a current understanding of advanced persistent threats (APTs), threat actor tactics, techniques, and procedures (TTPs), and cyber threat trends affecting national security.
• Maintain situational awareness of, and execute on demand, Cyberspace Operations (CO) crisis plans.
• Provide situational awareness to a range of projects, Crisis Action Teams, and current operations activities supporting Operational Planning Teams (OPTs).
• Execute resource allocation decisions aligned with organization objectives
• Interpret and apply laws, regulations, policies, and guidance relevant to daily activities.
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Currently active Top Secret/SCI (TS/SCI) security clearance with Polygraph is required for consideration.
• BA/BS degree or higher within Cybersecurity, Computer Science, Intelligence Studies, or related field, or ability to complete degree within one year of hire. Can substitute formal education with extended experience and technical certifications. Additional years of experience may be considered in lieu of degree.
• Ten to Twelve plus years’ experience supporting CO or intelligence operations, with a focus on support to Joint Targeting. Will accept 15 years’ experience combined across CO, Information Operations, Joint Targeting, and Operational Planning fields.
• DoD or Intelligence Community (IC)-sponsored certification for Joint Targeting.
• Graduate of DoD or IC-sponsored operational planning training and advanced understanding of Joint Operations Planning process, to include all applicable foundational doctrine and methodologies.
• High-level of proficiency with target management systems (e.g., MIDB, Coliseum, CAT Targeting Toolkits) supporting non-kinetic effects.
• Mastery of Joint Targeting Cycle and related doctrine (e.g., CJCSI 3370.01, JP 3-60).
• DOD 8140/DOD 8570 IAT Level II Certified.
• Demonstrated experience working with targeting Boards and Working Groups (JTWG, JTCM, JTCB) and able to lead boards or working groups, as necessary.
• Demonstrated experience leading intermediate to advanced-level target development and preliminary collateral effects analysis.
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct Defensive (DCO) and Offensive Cyberspace Operations (OCO), as well as computer networking fundamentals and concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree or higher within Strategic Intelligence, Cyber Strategy, Military Operational Art and Science, Defense and Strategic Studies, Homeland Security or National Defense Policy, Cybersecurity, Information Security or related fields.
• Deep understanding of USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes.
• Prior Red Team or OPFOR participation with a focus on adversary decision-making and target system modeling.
• Deep Experience synchronizing targeting efforts with interagency partners (NSA, CIA, FBI, DOS) or foreign allied cyber commands.
• Experience with Space-enabled CO
• Strong familiarity with targeting-related legal reviews (LOAC, ROE, PPD-20/NSPM-13), Collateral Damage Estimates (CDE), or Strike Approval Processes.
• Formal training within field of Cyber Warfare and Joint Operations.
• Familiar with art of Data Science and applicability to CO and use of advanced targeting visualization tools or programming/scripting for data analytics such as Power BI.
• Desired Certifications: DoD 8570 IAT Level II (CCNA Security, COMPTIA CySA+, COMPTIA Security + CE, GICSP, GSEC, SSCP).

COSS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 4, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

We are seeking a highly skilled and experienced Penetration Tester to join our team supporting the CBP SOC. This candidate will be responsible for conducting comprehensive security assessments of CBP  FISMA systems with the purpose of identifying vulnerabilities and providing actionable recommendations to enhance the security posture of CBP's critical systems and networks. This role requires a deep understanding of offensive cybersecurity techniques, strong analytical capabilities, detailed report writing skills and the ability to work as part of a team.

Primary Responsibilities:

• Conduct penetration testing activities aligned with CBP and industry best practices.

• Perform internal and external web application, network, and infrastructure pentest assessments using commercial and open-source tools.

• Execute testing operations safely and in accordance with defined operational guidelines.

• Produce detailed reports outlining findings and actionable remediation recommendations.

• Partner with SOC, engineering, and security teams to validate and remediate vulnerabilities.

• Support tool development, methodology improvements, and team-wide knowledge sharing.

• Assist in verifying Bug Bounty findings and remediations

Basic Qualifications:

Bachelors’ degree from an accredited college in a related discipline, or equivalent experience/combined education, with 3 to 5(T3)/ 5 to 8 (T4) years of professional experience; or 3 to 5 years of professional experience with a Masters’ degree.

3(T3) /5(T4) years in Pen Testing and Vulnerability Assessment, with specific emphasis on web application and enterprise network environments.

3-5 (T3) 5-8(T4) years of professional experience in incident detection and response, malware analysis, or cyber forensics.

Specific experience (1-3 years for T3) or (3-5 years for T4) in at least 1 of the following specialties:

• Network pentesting

• Web application pentesting

• Active directory pentesting

• Mobile application pentesting

• Cloud infrastructure pentesting

• RF pentesting

Experience with 1-3 (T3) 3-5(T4) of the tools listed below:

• Kali Linux

• Metaspoilt

• Burp suite pro

• Cobalt Strike / Sliver

• Tenable Nessus

• Tenable Security Center

• Bloodhound

• BladeRF / HakRF

• Hak5 equipment

• Wireshark / tcpdump

• Prowler

• Scoutsuite

Core Certifications:At least one pentesting certification:

• OSCP

• GPEN

• CRTO

• OSWP

• GWAPT

• AWS Solutions Architect Associate

Clearance: In addition to specific security clearance requirements all CBP SOC employees are required to successfully complete a CBP Background Investigation to support this program

Preferred Qualifications:

• CISSP
• GISF
• GXPN
• OSCE
• OSEE
• AWS Certified Security - Specialty
• Certified Kubernetes Administrator (CKA)
• Ability to brief senior government leadership on pentesting requirements and results
• Red Team operator experience
• Experience creating and updating SOPs
• Analytical and Problem-Solving Skills
• Communication Skills

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

January 23, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a Senior SharePoint Administrator to partner on a large enterprise IT contract for the Department of War (DoW) to support SharePoint operations across multiple geographic locations. The ideal candidate will be a technical expert responsible for installation, configuration, security, operation, and maintenance of servers, equipment, and software related to the SharePoint infrastructure. The candidate will ensure solutions meet business needs and involves tasks such as managing permissions, migrating content, troubleshooting issues, training users, and integrating SharePoint with Microsoft and custom applications. The Senior SharePoint Administrator will provide systems and software operations and maintenance support in a large network enterprise, multi-enclave environment.  This individual will work in a team environment to ensure mission needs are met and ensure functionality of capabilities of customers.

Primary Responsibilities:

• Maintenance and Administration: Maintain and administer Microsoft SharePoint 2016/2019 Servers, including daily monitoring, troubleshooting and performance analysis.
• Installation and Configuration: Install and configure SharePoint software and related components at the server level, including SQL Server, web server and application server.
• Customization: Customize the platform to meet specific business requirements.
• Migration and implementation: Execute the migration of content from the existing SharePoint Infrastructure running on Windows Server 2016 to the new Infrastructure that will run on Windows Server 2019, ensuring data integrity and minimal disruption.
• Support the migration of legacy SharePoint solutions from on-premises environments to SharePoint Online.
• Oversee SharePoint projects to include minor and major version upgrades, routine maintenance, and expansion of capabilities to meet emerging requirements.
• Troubleshooting and support: Log, analyze, and resolve technical issues, escalating to vendors or other teams as needed.
• Integration: Integrate SharePoint with other Microsoft 365 applications and the Power BI Platform.
• Compliance and Governance: Understanding of National Institute of Standards and Technology frameworks for cybersecurity and privacy. Ensure that SharePoint solutions comply with DISA Security Technical Implementation Guides (STIG) and complete STIG checklists as required.
• Provide follow-up reports (technical findings, feedback, resolution steps taken, After Action Report (AAR) etc.) for Root Cause Analysis, engineering technical assessment, and process improvement initiatives.
• Security Best Practices: Configure the SharePoint Infrastructure to comply with Microsoft Security, Performance and Operations Best practices.
• Security Least Privilege: Configure the SharePoint Infrastructure Administrative Accounts to comply with the Principal of Least Privilege.
• Security RBAC: Configure the SharePoint Infrastructure Administrative Accounts to utilize Role-Based Access Control (RBAC).
• Security Zero Trust: Configure the SharePoint Infrastructure Administrative Accounts to Zero Trust Architecture.
• Rapidly distinguish and resolve isolated user problems from enterprise-wide application/system problems.
• Implement Identity and Access Management (IdAM) policies and tools.
• Examine highly complex customer problems in Windows, Macintosh, and UNIX desktop operating systems (think of virtualized clients) imaging, desktop applications, user profiles, and general system problems.
• Support customer requirements in a 24/7/365 environment and schedule.

Basic Qualifications:

• The candidate must have bachelor’s degree with 8+ years of prior relevant experience or a Master’s Degree with 6-10 years of prior relevant experience.  Additional experience may be taken into consideration in lieu of a degree.
• Strong knowledge of SharePoint's functional capabilities, including site, page, list creation, and permission management.
• Familiarity with SharePoint 2016, SharePoint 2019, and SharePoint Online.
• Experience with InfoPath, Microsoft 365 and the Power BI Platform.
• Understanding of authentication protocols like Kerberos, NTLM, and claims-based authentication.
• Knowledge of related technologies like Active Directory, Azure Active Directory, and Internet Information Services (IIS).
• Client-side development skills using JavaScript frameworks like TypeScript, as well as server-side development skills for creating web parts.
• Experience with business intelligence and dashboard development.
• Experience with interacting with DoW customers to handle service, inquiries, and problems.
• Experience working independently, without supervision, analyzing a situation, designing, and communicating solutions to senior management and customers at multiple worldwide locations.
• In-depth understanding of SharePoint administration.
• In-depth understanding of customer IdAM policies and tools.
• Experience with Tier 2 system administration.
• Experience with Scripting/Automation.
• Experience troubleshooting issues in a growing environment.
• Experience with log reviews, incident analysis, and identification of issue trends.
• Experience with SharePoint server patch management methodologies.
• Time management skills.
• Ability to work independently.
• Excellent oral and written communications skills.
• Track record of working effectively within a team, and support to peers toward improved processes and results.
• Experience with support ticket management systems.
• Candidate must, at a minimum, meet DoD 8570.11- IAT Level II certification requirements (currently Security+ CE, CCNA-Security, GSEC, or SSCP).
• Ability to commute to the office on the approved schedule.

Preferred Qualifications:

• MS-102 Microsoft 365 Administrator Expert.
• AZ-800/801 Windows Server Hybrid Administrator Associate.
• AZ-104 Azure Administrator Associate or AZ-305 Azure Solutions Architect Expert.

Clearance:

• An active TS/SCI clearance is required for this position.
• Due to the nature of the government contracts we support, US Citizenship is required.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

January 26, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as such, this individual must be an excellent problem solver and work well in a collaborative team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowledge are desired.

The program is composed of one team split over two locations working in different time zones. As a result, the engineer must have excellent communication skills and be flexible with regards to teamwork and multitasking. A demonstrated ability to perform in cross-functional teams to achieve results in a timely manner is desired. Previous experience with representing a company in a professional manner is also desired, as this position will involve daily interactions with customer personnel.

Position will require a brief temporary work assignment in Chantilly, Virginia, prior to relocating overseas on a long-term international assignment. Relocation costs to OCONUS location are included.

Clearance Requirement:All candidates for consideration, must possess an active and in-scope TS/SCI Polygraph.

Basic Qualifications:

• Bachelor's degree and 8+ years’ experience; additional experience in lieu of degree will be considered

• Applicants should have knowledge and hands-on experience in most of the following areas:

• Systems Engineering/Administration

• Diagnosing and resolving software, hardware, and network problems

• Linux Operating System (using command line)

• Experience with system/network monitoring tools, i.e., Cacti, Nagios, Solarwinds – using tool as well as maintaining the tool itself

• Linux system administration to include ability to manage offline operating system repositories, apply operating system updates, provide support for virtual machines and troubleshoot Linux issues
• Scripting experience (ability to troubleshoot issues with existing scripts written in languages like Python, Perl)
• Excellent verbal and written communication skills are a must as direct customer interaction is a key component of this position
• Ability to work well individually, as well as within a team environment, and always maintain professional behavior with all stakeholders
• Due to the nature of the work environment some physical activity is required for this job; must be able to ascend/descend 4 to 5 flights of stairs, while at times being required to carry a box weighing between 40 and 50 pounds
• Maintain hardware in lab, as well as at the field sites
• Occasionally, be able to drive up to 5 hours in one day; this includes both the drive to a field site as well as back from the field site at the end of the workday

Desired Qualifications (one or more preferred):

• Experience deploying and maintaining Cisco routers, switches, and firewalls
• Asterisk based PBX installation and configuration
• Working knowledge of Visio
• Previous field experience

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 3, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

We are seeking a skilled and dedicated Vulnerability Management Administrator to manage and maintain our vulnerability management program using the Nucleus Security platform. The ideal candidate will be responsible for the day-to-day operation of the platform, ensuring all assets are scanned, vulnerabilities are identified and prioritized, and remediation efforts are tracked and reported to stakeholders. This role is critical in helping the organization maintain a strong security posture and comply with industry regulations.

Primary Responsibilities:

• Platform Administration: Administer, operate, update, patch, configure, and maintain the Nucleus vulnerability management system and integrated tools.
• Vulnerability Scanning: Configure, schedule, and execute regular and on-demand vulnerability scans across various environments (on-premises networks, cloud services, applications, etc.) using integrated scanning tools like Tenable, Qualys, or Rapid7.
• Data Management: Ingest, normalize, and consolidate vulnerability data from multiple scanning tools into the Nucleus platform to create a unified view of risk.
• Analysis and Prioritization: Analyze scan results, prioritize vulnerabilities based on risk, asset criticality, and threat intelligence (e.g., CISA KEV, AI-powered insights within Nucleus), and classify their potential impact on business operations.
• Remediation Coordination: Collaborate with IT, security teams, and asset owners to develop and track remediation plans, manage ticketing processes (using integrations like ServiceNow), and monitor Service Level Agreements (SLAs) for resolution.
• Reporting and Metrics: Generate detailed reports, dashboards, and metrics on vulnerability trends, remediation progress, and compliance status for technical teams and senior leadership.
• Process Improvement: Develop and maintain vulnerability management documentation (policies, procedures, playbooks) and automate processes where possible to improve efficiency using the Nucleus automation engine or scripting (Python, Shell).
• Threat Research: Research and assess new and emerging security threats and vulnerabilities, including zero-day events, and provide guidance on risk mitigation.
• Documentation and reporting along with presentation, teamwork and DHS wide collaboration are among the expected duties and mission of the task order
• Define system security & design requirements to meet FISMA and FedRAMP compliance standards
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives

Basic Qualifications:

Bachelor's Degree and 12-15 years of experience. Additional experience may be considered in lieu of a degree.

• Experience: Minimum of [e.g., 2-4] years of experience in IT security, with a focus on vulnerability management or security operations.
• Technical Proficiency: Strong knowledge of vulnerability management principles and experience administering a vulnerability management platform (specifically Nucleus Security; experience with Tenable, TVM or Wiz is a plus).
• Cybersecurity Knowledge: Understanding of network security protocols, system administration (Linux/Windows), cloud environments, and security best practices.
• Analytical Skills: Excellent analytical and problem-solving skills to interpret complex security data and translate technical findings into business risks.
• Communication: Strong verbal and written communication skills, with the ability to effectively communicate findings and collaborate with cross-functional teams.
• Certifications (Preferred): Relevant certifications such as CompTIA Security+, Certified Ethical Hacker (CEH), or other vulnerability management specific certifications.

Preferred Qualifications:

• Experience working with Sepio Asset Risk Management (ARM)
• Experience working in AWS and Azure
• Experience working with CrowdStrike or RelativityOne is a plus

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

​The Leidos Cyber Accelerator is seeking a hands-on applied researcher to invent, prototype, and operationalize agentic AI systems, and the automation required to deploy them in enterprise environments. You will evaluate emerging agentic patterns (multi-agent coordination, tool use, human-in-the-loop oversight), implement them as working systems, and build reusable automation and integration patterns (e.g., LLM-driven tool connectors/protocols) that enable secure, observable, repeatable paths for deployment, validation, and security testing.

​Primary Responsibilities: 
-Comfortable with modern tools to support configuration and software development (examples: Codex, Claude Code). 
-Research, prototype, and evaluate multi-agent architectures (supervisor/worker, hierarchical, HITL) and translate successful patterns into reusable libraries/services. 
-Agent/orchestration frameworks (examples: LangGraph-style state machines, AutoGen-style agent teams, CrewAI-style workflows) 
-Build secure agent-to-tool integrations using open connectivity standards. 
-Agent tool-integration protocols (examples: Model Context Protocol (MCP), structured tool/function calling patterns) 
-Create deployment automation for agentic services: reproducible environments and repeatable enterprise releases on Kubernetes. 
-IaC & environment provisioning  (e.g., Terraform) 
-Kubernetes packaging & configuration management (examples: Helm, Kustomize) 
-Stand up production-like stacks on AWS + Kubernetes and codify them into repeatable, automated, tooling. 
-Debug and refine AI-driven workflows, ensuring that work can be generalized. 
-Create trials and collect metrics for demonstrating success of automated deployments and connectivity between enterprise components. 
-Build observability-first agent systems (tool-call telemetry, step tracing, eval hooks). 
-Research and apply nonhuman/workload identity patterns for agentic services and integrate into deployment automation. 
-Model serving/inference platforms (examples: Ollama, vLLM, Ray Serve) 
-Observability/instrumentation standards (examples: OpenTelemetry) and common backends (examples: Prometheus, Grafana, Jaeger) 
(Optional, as mission needs) Experiment with scalable serving patterns for LLM endpoints on Kubernetes.

​Basic Qualifications: 
-Bachelor’s degree and 8+ years relevant experience (software engineering, applied R&D, platform/DevSecOps, AI/ML engineering, cyber engineering). Additional years may substitute for degree. 
-Proven hands-on delivery: prototypes that ran, tools others used, automation others depended on. 
-Strong development skills; experience building LLM-enabled systems and/or multi-agent workflows. 
-Practical experience with Kubernetes and modern deployment/IaC practices; Terraform, K8s familiarity. 
-Must be a US Citizen with the ability to obtain and maintain a Secret clearance.

​Preferred Qualifications: 
-Experience productizing internal platforms (“paved roads”): templates, reference architectures, golden paths, and guardrails. 
-GitOps delivery experience (Argo CD/Flux or similar), and observability pipeline experience (OpenTelemetry or similar). 
-Workload identity / service-to-service auth experience (SPIFFE/SPIRE, mTLS, policy enforcement). 
-Familiarity with research methodologies, with a focus on establishing validation of techniques (e.g., F1 scores, ROC/AUC, correlation methods). 
-Ability to obtain and maintain a TS/SCI clearance. 

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Cyber Accelerator is seeking a hands-on applied researcher to design, execute, and automate real-world offensive security assessments while advancing ML-driven approaches to penetration testing. You will perform end-to-end automation of pentesting/red teaming (scoping → exploitation → post-exploitation → reporting), build repeatable tooling and test harnesses, and explore machine learning and reinforcement learning (RL) techniques for improving attack planning, prioritization, and autonomous decision-making. 

Primary Responsibilities:

-Develop automation to support penetration tests and red-team style assessments across networks, endpoints, identity, and web apps; produce actionable, mission-aligned findings and remediation guidance. 
-Leverage agentic workflows to utilize common offensive tools: 
-Exploitation frameworks (e.g., Metasploit) 
-Pen-test distribution tools (e.g., common Kali Linux tools) 
-Fuzzing for vulnerability discovery (e.g., AFL / AFL++) 
-Apply and operationalize red-team knowledge bases and testing standards to summarize findings (e.g., NIST taxonomy, MITRE ATLAS/ATT&CK). 
-Research and prototype ML/RL approaches for security (e.g., attack-path selection, exploit prioritization, automated decision policies), and evaluate them via measurable experiments and test environments. 
-Build automation around offensive workflows (repeatable test harnesses, lab environments, tooling wrappers, and data collection for ML/RL experiments). 
-Collaborate with defensive engineers/researchers to translate findings into detections, mitigations, and secure-by-design improvements.

Basic Qualifications: 
-Bachelor’s degree and 5+ years relevant experience in offensive security, penetration testing, red teaming, vulnerability research, or closely related fields (additional years may substitute for degree). 
-Demonstrated hands-on experience using offensive security toolchains (e.g., Metasploit, Kali Linux) and modern recon/exploitation/post-exploitation workflows. 
-Experience with fuzzing or vulnerability discovery workflows (AFL/AFL++ or similar), including triage and root-cause analysis. 
-Strong programming/scripting skills (Python preferred; plus Bash). Experience using AI-assisted development tools (examples: coding agents, LLM copilots) to accelerate prototyping. 
-Working knowledge of ML fundamentals and practical experience implementing AI/ML experiments; familiarity with RL concepts. 
-Must be a US Citizen with the ability to obtain and maintain a Secret clearance. 

Preferred Qualifications: 
-Demonstrated applied research experience using modern AI techniques for automated or semi-automated penetration testing (e.g., attack-graph/decision-making approaches). 
-Reverse engineering and binary analysis experience (IDA Pro/Ghidra/radare2), exploit dev, and/or advanced fuzzing (instrumentation, harnessing, coverage-guided tuning). 
-Experience emulating adversary behaviors mapped to ATT&CK and converting results into durable security improvements. 
-Experience building repeatable lab environments and automation for security experimentation. 
-Ability to obtain and maintain a TS/SCI clearance. 
​​

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Information Technology and Agile Services opportunity provides a challenging role on a high-visibility DoD program through engineering and operations support to the Navy Marine Corps Intranet (NMCI), the largest information technology (IT) network in the world.  Leidos is seeking an on-site Enterprise Operations Manager - West (Shift 5) for the Service Management, Integration, and Transport (SMIT) contract.  For this program, the Leidos team will deliver the core backbone of the Navy-Marine Corps Intranet, including cybersecurity services, network operations, service desk, and data transport. Ultimately, Leidos will support the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network.

The candidate will be responsible for Network Operations (NetOps) Network Operations Center (NOC) Current Operations (CO) leadership operating from the Pearl Harbor NOC Site and providing on-site NIPRNet and SIPRNet support at Pearl Harbor NOC Facility in direct collaboration with the PRLH Network Operations Site Lead and NOC Lead (operates out of the Leidos SMIT NMCI NOC Facility – Meridian ID), NMCI Director, Transport Services and NMCI Director, Network Operations.  The candidate will provide on-site leadership of West (Shift 5) and oversight of the SMIT NMCI PRHL NOC West Current Operations Team responsible for monitoring and reporting on incidents and events impacting the infrastructure and network. This includes directing staff on appropriate incident, event and troubleshooting activities, working with teams in a matrix organization and communicating directly with Leidos Leadership, PEO-Digital and NNWC customers with focus on COMPACFLT, USINDOPACOM, and NCTAMS PAC. Must be capable to respond appropriately to alerts and events from triage through resolution, including escalations, where appropriate. Document daily shift activities in appropriate reporting and ticketing tools and ensure proper pass down of any outstanding issues. Provide incident notification to Government representatives.

SMIT NMCI capabilities team properly follow NOC processes, procedures, work instructions and knowledge articles.  The candidate will also ensure all capabilities with the SMIT NMCI enterprise are operated 24x7x365, including providing on site-leadership and meeting support with COMPACFLT, INDOPACOM, and NCTAMS PAC customers at Pearl Harbor, HI and the surrounding area.

Primary Responsibilities

• Provide on-site Current Operations leadership support to the SMIT NMCI Network Operations – West location in Pearl Harbor, HI and collaborating closely with the other EOMs, NOC Lead in Meridian ID and PRLH NetOps Site Lead.
• Responsible to recommend situational awareness improvements and modernization of the SMIT NMCI Norfolk NOC, Meridian NOC with emphasis on achieving Network Operations Service Level Requirements (SLRs).
• Lead and manage IT capabilities teams across the SMIT NMCI Network Operations (NetOps) area of responsibility, including leadership and oversight to 10-20 personnel.
• Responsible to communicate and coordinate across Network Operations Center (NOC), Current Operations (CO), Command Center (CC) and Battle Watch (BW) Liaison in NIPRNet and SIPRNet environments in Norfolk VA; Suffolk VA; Meridian ID and Pearl Harbor HI.
• Provide leadership and support to Critical Situation Managers (CSMs), Watch Officers (WOs), Command Center Watch Technicians (CCWTs), Government Directed Actions (GDAs), Tier 2 Information Technology (IT) Subject Matter Experts (SMEs) and Battle Watch Liaisons.
• Maintain SMIT NMCI Enterprise situational awareness by attending the Battle Watch Daily Touchpoint, the NMCI Daily Operations Brief and the NMCI Daily Operations call aligned to the NOC West time zone(s).
• Provide active participation and expertise supporting the NNWC N3 Ops Sync, the NNWC N6 Service Operations bi-weekly meeting, NNWC SECDEVOPS, NNWC RAP meetings and other COMPACLT, USINDOPACOM, and NCTAMS PAC customer meetings as applicable.
• Develop, review and maintain policies, procedures, work instructions and knowledge articles to ensure compliance with customer requirements and Industry, Leidos, Navy and DoD best practices.
• Support other Enterprise Operations activities as assigned to ensure overall operations success.

Basic Qualifications

• Bachelor of Science Degree in Computer Science or IT Disciplines and 8-12 years of prior relevant experience or Master of Science Degree with 6-10 years of prior relevant experience. Experience can be substituted for education.
• Must have experience in large DoD Enterprise Operations (EO) capabilities; must have experience leading 5 IT professionals across multiple EO locations in a large and diverse geographical area.
• Must be able to work independently to assess and assign simple to highly complex actions.
• Ability to assess and assign Information Technology (IT) tasks to the various IT capabilities teams, including effectively communicating between the Government and Leidos Teams.
• Understanding of key ITIL processes with emphasis in Incident, Problem and Change Management with understanding of Request Fulfillment, Configuration and Release and Deployment Management
• Strong written and verbal communication skills to collaborate with customer representatives, domain experts, and other stakeholders.
• Ability to work well with people from many different disciplines with varying degrees of experience.
• Understanding of Managed Services contracts in Government Owned Contractor Operated (GOCO) and Contractor Supported (GOGO-CS) environments.
• Must be a U.S. Citizen with a Secret clearance.
• Able to meet IAT II requirements (i.e. Sec+).
• Able to work difficult troubleshooting problems, sometimes up to 24 hours at a time.
• Occasional Travel will be required.

Optional Qualifications

• Understanding of Defense Information Systems Agency (DISA) IT Support capabilities
• Extensive knowledge in Information Technology, Communications Systems, Network Transport Infrastructure, Network Operations Center, and Service Desk Management.
• Experience with Navy Process Reference Model (NPRM)
• Experience with Navy and USMC Enterprise ITSM Framework processes
• ITIL 4 Foundation certification(s)

Impact:

• Works to achieve day-to-day objectives with significant impact on the operations teams.
• Works independently on larger, moderately complex projects/operational tasks as assigned.
• May assist other technical staff with high visibility and challenging tasks and assignments.
• Aid in the completion of complex and time-sensitive operational issues and projects as directed.

Complexity:

• Addresses complex technical issues/problems using internal best practice, collaboration with colleagues and leveraging experience using industry tactics and techniques.
• Responds to senior level customer and internal queries in a timely and accurate way, via phone, email, chat or direct one-on-one conversations.

Communication:

• Communicates with colleagues across multiple technology areas (government customers, technology leaders, project managers, other technical resources, etc.).
• Explains complex processes, practices, and procedures to others within the organization.

Leadership & Talent Management:

• Ability to obtain clarification from Government leaders and customers and provide the clarification to the various Leidos capabilities teams to ensure specific tasks can be accomplished on time.
• Able to engage with and lead a technical and operationally diverse staff across a 24x7x365 complex Information Technology Enterprise

Knowledge:

• Requires working knowledge of and ability to apply standards, principles, theories, concepts, and techniques of technical operations domain.
• Requires knowledge across geographically diverse operations centers with emphasis on operations and cybersecurity domains in both unclassified and classified environments.

NGEN

SMIT-NMCI

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The National Security Sector (NSS) seeks a highly qualified and trained Senior-level Media Malware Analysts to support United States Cyber Command (USCYBERCOM) operations by identifying and analyzing sophisticated malware threats targeting USCYBERCOM the Department of Defense Information Network (DODIN), and associated networks and organizations. This vital on-site support to USCYBERCOM J3 (Operations), Cyber National Mission Force (CNMF), and Joint Task Force-Ares (JTF-ARES) underpins USCYBERCOM support to United States National Security objectives.

This opportunity is in anticipation of a potential future contract award.

What you’ll be doing:

• Provide timely, accurate, relevant support in manner that best supports USCYBERCOM in identifying and assessing emerging threats and vulnerabilities in the Cyberspace domain.
• Lead forensic analysis of vulnerable or compromised systems and media and identify and analyze adversary TTPs and intrusion artifacts, and lead static and dynamic malware analysis, including reverse engineering and extracting malicious files from digital media and conduct detailed file analysis, as appropriate.
• Create technical analysis reports with actionable intelligence findings, delivering timely, accurate, relevant threat briefs and analysis updates that meet explicit and implied requirements, and deliver presentations to leadership in appropriate formats.
• Identify unique indicators for signature and heuristic development.
• Oversee drafting, release, and implementation of security incident response policies.
• Analyze operational reporting to correlate attack trends and shared tradecraft and support development and improvement of enterprise malware analysis tools.
• Conduct log/system analysis (routers, Windows, UNIX) for threat detection and update DoD situational awareness mechanisms (e.g., USCYBERCOM portals).
• Research open-source intel to inform threat assessments and signature creation.
• Develop and maintain validated MD5 hash lists for signature repositories
• Analyze and evaluate All-Source finished intelligence, single-source intelligence, and technical data from various sources to identify Cyber threat patterns and anomalies.
• Conduct and publish in-depth risk assessments to evaluate and categorize the risk posture of detected cyber threats while supporting development and refinement of risk assessment methodologies and tools used for threat categorization.
• Collaborate with operational, technical, and intelligence elements across USCYBERCOM to enhance situational awareness and threat response capabilities.
• Maintain a current understanding of advanced persistent threats (APTs), threat actor tactics, techniques, and procedures (TTPs), and cyber threat trends affecting national security.
• Maintain situational awareness of, and execute on demand, CO crisis plans.
• Provide situational awareness to range of projects, Crisis Action Teams, and current operations activities supporting Operational Planning Teams (OPTs)
• Execute resource allocation decisions aligned with organization objectives.
• Apply knowledge of cyber threats and attack methods and techniques emanating from state and non-state adversaries and tiered vulnerabilities within Blue Space as focus of threats.
• Review, approve, prioritize, and submit operational requirements for research, development, and/or acquisition of Cyber capabilities
• Interpret and apply laws, regulations, policies, and guidance relevant to daily activities
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means.

What does Leidos need from me?

• Active Top Secret clearance with SCI eligibility and Polygraph required.
• BA/BS degree or higher within Computer Science, Cybersecurity, Software Engineering, Digital Forensics, or related field, or ability to complete degree within one year of hire. Can substitute formal education with extended experience and technical certifications.
• Eight plus years’ demonstrated proficiency in malware analysis (static/dynamic), incident handling, and reverse engineering.
• Working experience with tools such as IDA Pro, Ghidra, Wireshark, Volatility, and sandbox environments.
• Strong familiarity with network protocols, OS internals (Windows/Linux/UNIX), and cyber threat analysis
• Broad knowledge of Blue-space Cyber capabilities and demonstrate understanding of available Cyber infrastructure or platforms to conduct Defensive (DCO) and Offensive Cyberspace Operations (OCO)
• Knowledge of computer networking fundamentals as well as concepts, terminology, and operations of a wide range of communications media (computer and telephone networks, satellite, fiber, wireless).
• Ability to support timely, accurate, relevant analytical production, to include documents, summaries, issue papers, talking points, and briefings.
• Demonstrated proficiency working in a fast-paced collaborative environment, ability to proactively multi-task and meet short deadlines.
• Strong interpersonal, critical thinking, and communication skills, including the ability to clearly convey complex and technical data to nontechnical consumers.

Favorable if you have:

• Masters’ Degree or higher within Cybersecurity, Information Security, or related fields.
• Experience developing detection signatures and writing technical reports for leadership.
• Deep understanding of USCYBERCOM organizational structure and mission.
• Prior experience supporting Joint operations across multiple warfighting domains.
• Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to increase efficiency and effectiveness of operational outcomes
• Experience with Space-enabled CO.
• Formal training within field of Cyber Warfare and Joint Operations.
• Familiar with art of Data Science and applicability to CO.
• Familiar with Microsoft Power BI data visualization software.
• Desired Certifications (not all inclusive, no expectations for candidate to hold all certifications): GIAC Reverse Engineering Malware (GREM); Certified Reverse Engineering Analyst (CREA); Certified Malware Analyst (CMA); Digital Forensics and Incident Response (DFIR); GIAC Certified Forensic Analyst (GCFA); GIAC Cyber Threat Intelligence (GCTI).

COSS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 17, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Job Description:

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, various cloud environments, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

Primary Responsibilities:

The Cyber Security Engineer will support the full system engineering life-cycle, including requirements analysis, design, development, test, implementation, maintenance, integration, and documentation of SOC infrastructure and SOC tool suite.

The Security Engineer will be installing, configuring, monitoring, and troubleshooting network security solutions and related monitoring tools including L2/L3 network security devices, IDS/IPS, Full packet capture, DLP, Endpoint (AV, DLP, Endpoint Detection & Response), and infrastructure supporting SEIM (Splunk).

The Security Engineer must have understanding and knowledge of LAN/WAN security solutions including creating and maintaining LAN/WAN security standards and design documentation.

Knowledge and familiarity with new LAN/WAN security applications and hardware as assigned.

Knowledge and hands on experience with securing AWS environments, automating controls and supporting enterprise security operations.

Ability to script in one more of the following computer languages Python, Bash, Visual Basic or Powershell.

Strong written and oral communication with the ability to communicate with team members, management and customer.

Below are some tools/skills the candidate should have knowledge or experience on:

• 2-4 years’ experience in Systems Engineer/Admin role or an equivalent of 2-4 years in Cybersecurity.

• Hands on experience on AWS – Majority of the environment systems are in AWS. These may include EC2, Storage, Lambda, S3, VPC, Storage Gateways

• Hands on experience with Linux – More than half of the systems being managed are Linux. This ranges from CentOS, Amazon Linux 2, RHEL, Kali Linux, and Rocky Linux. Knowledge/experience in patching and updating these will be key.

• Knowledge/experience with Windows – Need knowledge in setting up and building using images. Someone who knows the ins and outs of where logs and other locations of data are on a windows system is a plus.

• Hands on experience with Troubleshooting – Mid to high level troubleshooting skills.  Have the knowledge and experience on where to look for logs and errors within applications and OS’s.

• Knowledge and understanding of Networking and how it all ties together – networking knowledge, VPNs, DNS, DHCP, AWS VPCs, Firewalls.

• H knowledge/experience on Applications – automation software such as Ansible, Windows SCCM, or any automation software.

• Understanding of cybersecurity processes and protocols.

• Knowledge and understanding of some Antivirus software such as McAfee and CrowdStrike. Any HIPS software and how it works.

• Understanding of SOPs, Playbooks, and experience in creating documentation.

• Knowledge with platform hardening.

Basic Qualifications:

• Bachelor’s degree in computer science, Engineering, Software Development, Information Technology, Cyber Security, or related field and 6 years of related experience.  Additional years of experience and cyber certifications may be considered in lieu of degree.

• Familiar with the management, operational, and technical aspects of IT Security in a complex enterprise environment. Additional experience in cyber risk management and assessments will be considered.

• Knowledge and familiarity with in-depth analysis of Zero Trust Capabilities, Infrastructures and Architecture.

Clearance:

• All Department of Homeland Security CBP SOC employees are required to favorably pass a 5-year (BI) Background Investigation.

Preferred Qualifications:

• Ability to learn and support new systems and applications.

• Redhat, Cisco or Microsoft, Security+, Linux+, or Network+ certifications

• Cisco Hardware and Storage

• Expertise in Networking, Linux and Windows

• Sourcefire (snort) or RSA Security Analytics (network) experience a plus

Ability to script in one more of the following computer languages Python, Bash, Visual Basic or Powershell

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 11, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

Primary Responsibilities

The selected candidate will apply experience as an Assessment and Authorization Analyst by evaluating CBP Information Systems being introduced to the environment to determine if they meet the required security standards and are authorized to operate within the CBP network, using the NIST Risk Management Framework (RMF) or similar methodologies

The candidate will be responsible for evaluating key points in the System Lifecycle, such as before its deployment or during major updates. Responsibilities may include creating security documentation (e.g., System Security Plan, Security Assessment Report) and obtaining the final authorization to operate (ATO).The candidate should be able to provide assistance in collecting information and answering questions in regard to many broad IT areas including, but not limited to: security management controls, access controls, provisioning and deprovisioning, transfers, separation of duties, configuration management, contingency planning, application security, business process controls, interface controls, and data management system controls.

The candidate will be responsible for:

• Conducting formal assessments and deciding whether the system is authorized to operate

• Conducting a formal assessment of the system’s security posture

• Evaluating whether security controls meet established standards and are functioning effectively

• Documenting results and making recommendations for improving security

• Recommending whether the system should be authorized to operate based on assessment outcomes

• Ensuring that the system has the necessary security controls to minimize risks

Basic Qualifications

• A minimum of a Bachelor’s degree coupled with 8 years’ experience in the Information Technology, Computer Science, IT, Information/Cyber Security field from an accredited college or university arena or Master's Degree with 6 years of relevant experience.

• Superior writing, communication and critical analysis skills

• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures

• Experience with supporting the delivery of large and complex projects on time and within budget in government organizations

• Minimum of 1-3 years of experience as an ISSO supporting major federal information systems/applications

• Superior writing, communication and critical analysis skills

• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures

• Working knowledge of the following policies: NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05D).

• Must be a US Citizen.

Preferred Qualifications

• Prior experience with CBP

• DoD 8570 IAT III

• CompTIA Certified Advanced Security Practitioner (CASP+)

• ISC2 Certified in Governance, Risk and Compliance Certification (CGRC)

• ISC2 Certified Information Systems Security Professional (CISSP)

• ISACA Certified Information Systems Auditor (CISA).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SCRM Analyst SME to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Identify vulnerabilities, foreign influence, and compliance gaps.
• Monitors program adherence to all applicable supply-chain policies, federal regulations, Executive Orders, and Office of Management and Budget (OMB) memorandums.
• Ensures continuous compliance with National Institute of Standards and Technology (NIST) guidelines and statutory requirements such as the National Defense Authorization Act (NDAA) Section 889 Parts A and B.
• Provides risk findings and mitigation recommendations to leadership to safeguard the integrity, security, and reliability of the supply chain.
• Provide subject matter expertise in DoD Supply Chain Risk Management (SCRM) to implement, expand, and mature an end-to-end SCRM program.
• Support the development and continued refinement/updates of Mission Assurance policy.
• Produce and present briefings of their findings, as well as meeting minutes, after action reports, trip reports, as necessary
• Support SCRM Commercial Assessments of Networks, Network availability, and germane hardware to protect DoD's mission critical functions.
• Capture specific information from the PMO and submitting that information as a Request for Information (RFI) to the appropriate entity to support SCRM CounterIntelligence (CI) risk management analysis.
• Gather requirements and develop SCRM RFIs.
• Project manage SCRM Threat Analysis Center (TAC) RFI queue (informal inquiries, quick turn reports, formal SCRM TAC RFIs).
• Support the implementation of SCRM processes and policies
• Support periodic collection of SCRM internal process metrics in accordance with SCRM SOPs/CONOPS.
• Support the implementation of the SCRM program strategy SCRM training, SCRM procedures, and other support related to supply chain risk management.
• Conduct evaluations and prepare reports detailing any potential foreign influence or threats to DoD supply chains.
• Risk assessment products shall be prepared in accordance with guidance from the Government Program lead, in accordance with SCRM Standard Operating Procedures (SOPs) and Concept of Operations (CONOPS).
• Maintain active lines of communication with MA/SCRM Liaison at the Government.
• Integrate with ConMon dashboard to ensure visibility of FOCI, SBOM and attestations

Basic Qualifications:

• Top Secret with SCI eligibility security clearance
• Bachelor's Degree and 12+ years of experience; additional relevant experience may be substituted in lieu of degree.
• Knowledge of DoD SCRM standards, including DoDI 5200.44, NIST 800-161, NIST 800-53A
• Demonstrated ability to communicate with senior government customers and the ability to influence within multiple levels of the organization
• Developing SBOM and HBOM analysis, analyze end-to-end cyber supply chain risks
• Proficient using GRC tools such as eMASS
• Cybersecurity experience
• Project Management fundamentals
• Demonstrated experience with:
• 12years of related experience
• In-depth analysis of C-SCRM, Zero Trust Capabilities, Infrastructures and Architecture.
• 8+ years of team and/or operational leadership experience.
• 10+ years of experience in USG cyber risk management, assessments and authorization (A&A), and using NIST Special Publications (SP) (e.g.: SP800-30, SP800-37, SP800-53, etc.)
• 10+ years of experience in designing and engineering enterprise IT solutions within the USG using NIST SP (e.g.: SP800-60, SP800-64, SP800-80, SP800-122, SP800-137, SP800-146, SP800-160, SP800-204, SP800-207, SP800-213, etc.)
• Certifications in Cybersecurity like Security plus, CISM

Preferred Qualifications:

• Active TS/SCI
• Master’s degree in supply chain management, engineering, cybersecurity, or other technical discipline
• Project Management Experience or PMP, .
• Experience with core Systems Engineering Disciplines (Requirements, Schedule, Risk, Readiness, System Closure, etc.)
• Certifications in Cybersecurity like CISSP, CISM, ERAI certification or CASP are strongly preferred.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a Senior Full Stack developer (Java/Angular) to be part of the mission solution and help lead SSA’s Digital Modernization Strategy.  Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces, supporting the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month.  We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Strong knowledge of modern Java, Angular 9 and above, Spring boot, and REST API.

*** Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week.

If this sounds like a mission you want to be a part of, keep reading!

TEAM CULTURE

Your passion and values might be a good fit for our teams if you answer “yes” to the following questions:

• Are you looking for a company that puts employees first, with a focus on career, flexibility, and well-being?
• Do you enjoy collaborating with colleagues and teammates and believe that the best ideas are fostered in an inclusive environment?
• Are you searching for a team with a strong sense of ownership, urgency, and drive for daily mission success?
• Are you comfortable with proactive outward communication and technical leadership?
• Do you enjoy being a catalyst, solving complex problems, and providing innovative solutions?
• Do you have the flexibility, creativity, and resilience to pivot the mission for success?
• Do you have the courage to make tough ethical decisions with pride, transparency, and respect?

MENTORSHIP & CAREER GROWTH

Our teams are dedicated to supporting new team members in an environment that celebrates knowledge sharing and mentorship. Experienced team members will be assigned to new hires for one-on-one mentoring, collaborative reviews, and coaching on customer engagement to help each new hire successfully onboard and demonstrate their skills. Projects and tasks are assigned in a way that leverages your strengths and will help you further develop your skillset.

DAY TO DAY RESPONSIBILITIES

Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around you, this is the place for you. Find you passion in a team environment where all members are valued regardless of contractor or employee status.   Find your “Why” with us and take your place in our Leidos Family!!

• Design and develop software applications using Twelve-Factor App methodology from functional requirement Design and develop applications using Angular, Java, REST API and spring boot
• Collaborate with product design and engineering teams to develop an understanding of needs.
• Attend all Agile ceremonies.
• Mentor Junior staff
• Design and develop Microservices using Spring Boot, Java and RESTful architecture.
• Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies.
• All other duties as assigned or directed.

FOUNDATION FOR SUCCESS (Basic Qualifications)

• Bachelor’s degree in computer science, Mathematics, Engineering, or a related field. Additional years of experience may be substituted in lieu of degree.
• Masters or Doctorate degree may substitute for required experience
• Hands on experience with Java and Angular development
• 10+ years of experience with programming and designing software with Java
• 8+ years of experience on an Agile development team, preferable Scaled Agile Framework (SAFe)
• Must be able to obtain and maintain a Public Trust. Contract requirement.

FACTORS TO HELP YOU SHINE (Required Skills)

These skills will help you succeed in this position:

• Extensive understanding and experience in programming and designing software with Angular and Java. Strong experience in Java/J2EE, Angular 9 and above, Spring Boot, and Spring.
• Strong understanding of Hibernate, JPA and JDBC
• Strong understanding of OOPS, Twelve Factor Application Design principles, architecture styles and APIs (Web API/Rest API)
• Develop applications using Java/Spring Boot and design and develop database components using PostgreSQL DB or Oracle as needed for application.
• Strong front-end development skills: Angular 9.0 and above, HTML/JavaScript, React.js, Cascading Style Sheets (CSS), YUI and/or JQuery
• Strong development experience on Microservices and REST API.
• Work on Agile projects and work with tools including VersionOne/JIRA

HOW TO STAND OUT FROM THE CROWD (Desired Skills)

Showcase your knowledge of modern development through the following experience or skills:

• Experience with modern development software, tools, and methodologies; Jenkins, Splunk, Git/BitBucket, Jira/VersionOne, Nexus, Maven, Jenkins, OpenShift, XML/XSLT, VisualVM/Eclipse Profiler (Java performance monitoring tool), Amazon Web Services (S3), BDD (Cucumber or similar)
• Experience working on Agile projects and understanding Agile terminology.
• Work in DevOps Environment.
• Experience with Linux environments.
• Participate in daily scrum and provide updates.

Are you an US citizen or US resident candidate and think you might fit? We recommend you apply and start the conversation today! Join us in supporting our SSA contracts in Woodlawn, Maryland.

ITSSCII

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Continuous Monitoring Data Visualization Analyst SMEto support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Develops automated dashboards and visualization tools to support continuous monitoring of IT systems throughout their lifecycle and accelerate re-authorization activities within the Risk Management Framework (RMF) process.

• Designs front-end automation that consolidates performance, security, and compliance data into actionable visual products.

• Utilizes tools such as Assured Compliance Assessment Solutions (ACAS), Host-Based Security System (HBSS), Continuous Monitoring Risk Scoring (CMRS), Enterprise Mission Assurance Support Service (eMASS), Splunk, PowerBI, Axonius, Enterprise Security Posture System (ESPS), and ServiceNow (SNOW) to collect, correlate, and present monitoring data.

• Works with cybersecurity, engineering, and operations teams to ensure dashboards accurately reflect system status and support timely decision-making.

• Develop and maintain the ConMon Strategy

• Oversee and monitor all systems (re-authorization and new systems) throughout their life cycle for changes that may impact the security posture of the system

• Validate updates to the system security plans and the POA&M in the security assessment and management tool to reflect changes to the IT system

• Validate that controls applicable to the automated ConMon reviews are properly implemented as part of the corresponding RMF package in eMASS.

• Participate, contribute, and provide information as part of Step 0 and other steps of the RMF process and data call information and provide assistance in kickoff meetings if assessments are needed.

• In support of the ConMon program, the lead shall design, develop, maintain, execute and improve a comprehensive ConMon program based on the ConMon Strategy.

• Develop and maintain standard ConMon plan templates for ISs.

• Collaborate with ConMon Analysts, ISSOs, and System Owners to resolve asset visibility and CCRI score issues

• Ensure ConMon Deliverables are submitted on-time and with high accuracy

• Communicate daily with government stakeholders about system posture, vulnerable systems

• Coordinate and facilitate coordination with system administrators, ACAS administrators, HBSS administrators, etc. on issues receiving the acceptable credentialing percentages on scans, HBSS data, etc.

• Support the system development lifecycle of a Governance, Risk, and Compliance (GRC) technical solution within the organization.

Basic Qualifications:

• Top Secret with SCI eligibility security clearance

• Associates degree with 10+ years IT program/project management experience leading Continuous Monitoring and Vulnerability Management activities.

• Bachelor degree with 5+ years IT program/project management experience leading Continuous Monitoring and Vulnerability Management activities.

• 5 or more years IT program/project management experience leading Security tools such as ACAS, HBSS, Tanium, or Splunk.

• Successful track record for delivering large/complex projects on time and within budget within DoD Organizations

• Ability to evaluate the design and effectiveness of controls and standards to ensure compliancy in accordance with the applicable audits and inspections for an organization.

• Ability to lead a fast-paced Splunk dashboard development effort

• Expert level understanding of vulnerabilities/weaknesses across complex IT environments and ability to understand applicability of security standards across technologies.

• Demonstrated experience with:

• The planning, coordinating, scheduling, resourcing, tracking, documenting, executing and analyzing audits and inspections within an organization (Expert Level).

• Applying compliance standards to large and complex IT environments.

• Communicating and coordinating at a functional and senior government.

• Data analysis and developing work products to enable government risk based decisions.

• The development and execution of knowledge management best practices and the automation of knowledge management frameworks in order to enhance processes and procedures related to the management of the Continuous Monitoring Program.

• The development and coordination of guidance and work products related to issues tracking management, plan of actions and milestones, and ensuring transparency of vulnerabilities within an organization.

Preferred Qualifications:

Active TS/SCI

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoD’s largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will be providing your Linux Systems Administration expertise to ensure DoD scientists have reliable access to these critical resources and in turn, will be directly supporting the warfighter.

All work will be performed at our customer’s site on Wright Paterson Airforce Base, OH.

A Secret Clearance is required to begin work on the program.

So, what will you be doing in this role?

• Provides for RedHat Linux systems administration, performance tuning, client security administration, systems software support, and technology assessments in support of a multi-platform UNIX environment.

• Performs systems enhancement, configuration, maintenance, installation, interfaces, coordination, and software installations and upgrades to UNIX operating systems and layered software packages.

• Monitors and tunes systems to achieve optimum level of performance in accordance with established policies, procedures, and service level agreements.

• Performs acceptance testing of modules, subsystems, and total systems. Will be responsible to perform software installation and configuration.
• Monitoring log files, performance issues, and the production environment for mission critical systems
• Demonstrating ability to set priorities and organize work to meet deadlines
• Ensuring compliance with established standards, policies, and configuration guidelines

These are the required qualifications

• Must hold an active in scope SECRET clearance or have the ability to obtain Interim SECRET eligibility prior to start. (US Citizenship required)
• Must hold a bachelor’s degree and at least 4 years of equivalent experience, or a master’s degree and 2 years of experience.
• Must hold current DOD 8570 IAT II certification (Linux+, CCNA-Security, CND, CySA+, GICSP, GSEC, Security+ CE, or SSCP) prior to start.
• Communicates effectively both orally and in a written form with users and office staff
• Experience and proficiency with the LAMP web server stack

These are the preferred qualifications

• Ansible or equivalent configuration management experience
• Hands-on experience patching systems and applications within a DoD environment
• Experience managing containerized services within Kubernetes
• Ability to write, diagnose, and optimize scripts written in bash, python, or perl
• Familiarity managing virtual systems within VMware

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Position: Senior Developer / Product Owner

Location: Colorado Springs, CO

At Leidos, we tackle complex challenges that matter. Our teams deliver innovative, mission-driven solutions powered by diverse talent, technical excellence, and a shared commitment to doing what’s right—for our customers, our people, and our world. If you thrive at the intersection of deep technical work and strategic influence, this role offers the chance to shape the future of a major mission-critical system.

Your Next Career Challenge

We’re seeking a Senior Developer / Product Owner with strong hands-on experience in Java and C++ to support a large, long-lived system that blends legacy components with modernized services. This role is ideal for a senior engineer who enjoys diving into complex codebases, understanding systems end-to-end, and using that insight to drive architecture, modernization, and technical direction. You’ll remain deeply engaged in design and development while owning the technical roadmap for key subsystems.

This position reports directly to the Chief Engineer.

Key Responsibilities:

Technical Leadership & Development

• Serve as a senior individual contributor working directly in Java and C++ codebases across legacy and modernized components.
• Analyze code to understand system behavior, data flow, and performance characteristics.
• Provide mentorship on design patterns, refactoring strategies, and implementation best practices.
• Conduct code reviews focused on quality, maintainability, performance, and architectural alignment.

Technical Product Ownership

• Develop a deep understanding of the system architecture, including services, middleware, databases, and external interfaces.
• Understand how components are built, deployed, configured, and operated in production environments.
• Own and manage the technical backlog for assigned subsystems.
• Translate mission needs and stakeholder requirements into actionable, technically sound implementation plans.
• Balance feature development, defect resolution, technical debt reduction, and modernization priorities.
• Support refactoring and modularization of legacy Java and C++ applications to improve maintainability and deployment flexibility.
• Contribute to containerization and deployment-readiness efforts by identifying required code changes.
• Collaborate closely with development, DevOps, and test teams to resolve technical issues.
• Act as a bridge between engineering teams and program leadership, ensuring technical realities are clearly communicated and understood.

Basic Qualifications

• Bachelor’s degree in computer science, software engineering, or related discipline with 8+ years of professional software development experience. Additional experience, training, and/or certifications may be considered in lieu of degree requirement.
• US Citizen; currently possessing an active DoD Secret clearance.
• Extensive hands-on experience with Java in enterprise or distributed systems.
• Strong C++ development experience, especially in performance-sensitive or system-level applications.
• Experience working with large, complex, long-lived codebases.
• Ability to analyze unfamiliar code and quickly build system-level understanding.
• Excellent communication skills with the ability to explain complex technical concepts to diverse audiences.

Preferred Qualifications

• Master’s degree in computer science, software engineering, or related discipline with 6+ years of professional software development experience.
• Experience as a technical lead, lead engineer, or technical product owner.
• Background in refactoring or modernizing legacy Java and C++ systems.
• Familiarity with containerization and CI/CD pipelines (e.g., Docker, Kubernetes).
• Experience with distributed systems, messaging frameworks, or service-oriented architecture.
• Prior work supporting defense, aerospace, or other mission-critical environments.

What Success Looks Like

• You can clearly articulate how major Java and C++ components interact, where risks exist, and what changes are feasible.
• Development teams trust your judgment because you understand the code—not just the roadmap.
• Stakeholders rely on you to translate mission needs into realistic, technically grounded plans.
• The system becomes more understandable, maintainable, and adaptable under your guidance.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Position Description:

Seeking an experienced Cloud Systems Administrator to join our SITE III Directorate Operations (DO) team supporting the U.S. Intelligence Community. Your efforts will ensure robust, reliable intelligence collection and dissemination, supporting defense intelligence, combatant commands, partner nations, and federal agencies.

Position Duties:

• Ensure optimal operation of multi-user computer systems, collaborating with network engineers and software developers.

• Manage system resources to enhance CPU and disk efficiency and responsiveness.

• Administer system security, setting up user accounts and profiles, and ensuring compliance with the latest standards.

• Provide comprehensive support, from Tier 1 troubleshooting to Tier 2 problem resolution.

• Optimize system performance, oversee software installations, and manage storage solutions.

• Evaluate new technologies and make recommendations on hardware and software acquisitions.

• Ensure rigorous application of security settings and conduct regular security assessments.

• Manage Unix and Linux environments and be familiar with their configuration.

• Proficient in scripting and setting up systems from scratch, including application installations.

• Knowledgeable in security protocols, able to resolve vulnerabilities and run Security Technical Implementation Guides (STIGs).

Required Clearance:

Must possess an active TS/SCI or SCI eligibility and active polygraph or ability to obtain a polygraph. This requires US citizenship.

Required Skills, Education, and Experience:

• Full time work in a SCIF is required, but hours are flexible. Should be available during core business hours. Some mission critical applications would require availability after hours and during weekends should the need arise.

• A Bachelor’s degree in an area applicable to the position with 8+ years of relevant experience OR a Master’s degree in an area applicable to the position with 6 years of relevant experience; an additional 4 years of experience maybe considered in lieu of a degree requirement

• Security+ or other IAT II/III level certification that is currently active (DoD 8570 compliance)

• Linux (CentOS, RHEL, and/or Oracle). This position requires strong Linux skills with current/very recent experience.

• Experience working in an AWS environment and familiarity with console accesses to provision, maintain and monitor servers.

• Performing snapshots, backups, disaster recovery, performance tuning

Installation, STIG hardening, patching

• Excellent troubleshooting skills (including scripting and audit log review) and Tier 1 communication skills

Desired Qualifications:

• Experience developing and maintaining critical documentation (SIPs, SAGs, SUMs, SOPs, Getting started guides)

• Experience with ElasticSearch

• Current polygraph

• Cloud (EC2s, S3, Elasticache), Kafka, Openshift, Docker, Keycloak, Wildfly

• PKI certificates, SSL, service accounts

• Maintaining multiple environment types (physical, virtual, cloud)

• Experience supporting security audits and testing events.

• Experience upgrading from CentOS to RHEL 8 is a nice to have but not a must as long as candidates have strong Linux experience.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 23, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Seeking an experienced Database Engineer to join our SITE III Directorate Operations (DO) team supporting the U.S. Intelligence Community. The Database Engineer – Mid Level will be responsible for the following, but not limited to:

• Design, develop, build, analyze, evaluate, and install database management systems to include database modeling and design, relational database architecture, metadata and repository creation and configuration management.

• Use data mapping, data mining and data transformational analysis tools to design and develop databases.

• Determines data storage and optimum storage requirements.

• Prepare system requirements, source analysis and process analyses and design throughout the database implementation.

• Evaluate, size, and select technology components, such as software, hardware, and networking capabilities, for database management systems and application databases.

• Write and tune SQL queries for performance and scalability.

• Implement comprehensive backup and database replication solutions.

Required Clearance: Active TS/SCI and active polygraph OR SCI eligibility and ability to obtain a polygraph. US citizenship is required to obtain.

Required Skills, Education, and Experience:

• A Bachelor’s degree in an area applicable to the position with 8+ years of relevant experience OR a Master’s degree in an area applicable to the position with 6 years of relevant experience; an additional 4 years of experience maybe considered in lieu of a degree requirement

• Active TS/SCI or SCI eligibility and active polygraph or ability to obtain a polygraph

• Security+ or other IAT II/III level certification that is currently active (DoD 8570 compliance)

• PostgreSQL

• PL/pgSQL, PL/SQL or SQL

• Database design and implementation (tables, indices, triggers, stored procedures)

• Strong troubleshooting skills (performance analysis/improvements)

• Ability to work in a fast-paced, Agile environment

• Full-time work in a SCIF is required, but hours are flexible

• Some travel

Desired Qualifications:

• Understanding of or experience implementing Row Level Security and/or cross domain systems.

• Jenkins, Git, Artifactory, CI/CD pipelines

• AppDynamics

• Experience with data migrations (Oracle to Postgres) and DB upgrades

• Automated testing (Selenium, Robot Framework)

• AWS experience (RDS)

• STIG hardening

• Scrum master or team lead

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 23, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This posting is for a FUTURE ROLE

Leidos' Digital Modernization sector is seeking a Network Engineer to be responsible for the design, migration, implementation, enhancement, optimization, and maintenance of infrastructure On GSM-O II.

This position will be 100% on-site and requires U.S. citizenship and an active TS/SCI clearance to start.

Primary Responsibilities:

• Provide intermediate to senior-level technical expertise and assist with network integration and consolidation efforts across multiple systems environments.
• Prepare and review technical implementation plans to provide integrated solutions, including actions, milestones, timelines and critical paths required for complete solutions
• Address and resolve technical problems relating to the installation and upgrade of network hardware and systems.
• Interface with customers, vendors, and other technical staff to analyze business and technical requirements (i.e. establishing new circuits).
• Develop and document technical briefings, engineering standards, standard operating procedures, technical guidance, status reports and present to senior leadership
• Participate in the development of network architecture, engineering designs, and changes.
• Assist in evaluating current and emerging technologies - conduct technical assessments and make recommendations.
• Collaborate with key partners in various technologies to de-conflict efforts, identify innovation opportunities, gain efficiency while increasing operability
• Communicate with customer(s) on matters of significant importance to the organization
• Effectively complete individual projects and tasks.

Basic Qualifications:

• BS degree and 8+ years of prior relevant experience; additional experience may be considered in lieu of degree
• Candidate must possess an active DOD TS/SCI level security clearance, and be eligible to obtain and maintain a w/CI Poly
• IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
• Ability to translate highly technical matter to non-technical audience
• Excellent communication skills
• Technical depth in network services and architecture (WAN/LAN/virtual private network (VPN))

• Experience developing solutions and troubleshooting the following vendors and technologies:

• Cisco Switches and routers

  • S2S connections
  • DMVPNs
  • Advanced routing - BGP
  • Palo Alto Firewalls

  • AWS networked design and implementations.

  • Virtual Private Cloud (VPCs)

  • Route 53
  • Amazon Firewall Services
  • Ability to make decision and escalate when needed
  • In-depth experience with security domains and industry best practices; business continuity and disaster recovery, emerging technology
  • Self-starter with ability to work independently or in a team environment with little to no supervision
  • Knowledge in Information Technology Infrastructure Library (ITIL) Foundation

Preferred Qualifications:

• Prior experienced with DISA and DISA’s support to mission partners
• Proficient in cloud hosted networks
• Master’s degree in IT, Cybersecurity, or related field

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a highly skilled Database Architect to be part of the mission solution and help lead SSA’s Digital Modernization Strategy.  Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces, supporting the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month.  We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Database Architecture, experience with AWS, snowflake, SQL, and automation and scripting.

If this sounds like a mission you want to be a part of, keep reading!

TEAM CULTURE

Your passion and values might be a good fit for our teams if you answer “yes” to the following questions:

• Are you looking for a company that puts employees first, with a focus on career, flexibility, and well-being?
• Do you enjoy collaborating with colleagues and teammates and believe that the best ideas are fostered in an inclusive environment?
• Are you searching for a team with a strong sense of ownership, urgency, and drive for daily mission success?
• Are you comfortable with proactive outward communication and technical leadership?
• Do you enjoy being a catalyst, solving complex problems, and providing innovative solutions?
• Do you have the flexibility, creativity, and resilience to pivot the mission for success?
• Do you have the courage to make tough ethical decisions with pride, transparency, and respect?

MENTORSHIP & CAREER GROWTH

Our teams are dedicated to supporting new team members in an environment that celebrates knowledge sharing and mentorship. Experienced team members will be assigned to new hires for one-on-one mentoring, collaborative reviews, and coaching on customer engagement to help each new hire successfully onboard and demonstrate their skills. Projects and tasks are assigned in a way that leverages your strengths and will help you further develop your skillset.

DAY TO DAY RESPONSIBILITIES

Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around, you this is the place for you. Find you passion in a team environment where all members are valued regardless of contractor or employee status.

Find your “Why” with us and take your place in our Leidos Family!!

• Utilize the AWS database and data processing services, including Amazon RDS, AuroraDB, DynamoDB, Redshift, ElastiCache, EMR, and Neptune.
• Configure, launch, and manage EMR clusters, optimizing for performance and cost, and integrating with various data sources.
• Architect scalable, high-performance, and secure database solutions.
• Integrate databases with other AWS services such as Lambda, S3, EC2, and Glue.
• Utilize AWS security best practices (IAM, encryption, VPC, security groups) and compliance requirements for data storage.
• Design backup, disaster recovery, high availability, and failover solutions (Multi-AZ, read replicas).
• Troubleshoot for AWS related issues and incidents.
• Design, implement, and manage virtual data warehouses in Snowflake.
• Write complex SQL queries for data analysis, transformation, and reporting.
• Optimize queries, manage caching, clustering, and leveraging auto-scaling to handle workloads.
• Ensure compliance with SSA security, privacy, and data management policies.
• Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience.
• Provide guidance/support to other junior/mid-level developers.
• All other duties as assigned or directed.

FOUNDATION FOR SUCCESS (Basic Qualifications)

• Bachelor's Degree in Computer Science, Mathematics, Engineering or a related field; Masters or Doctorate degree may substitute for required experience
• 7+ years as a Database Architect.
• Experience in AWS database and data processing services, including Amazon RDS, AuroraDB, DynamoDB, Redshift, ElastiCache, EMR, and Neptune.
• Knowledgeable in AWS security best practices (IAM, encryption, VPC, security groups) and compliance requirements for data storage.
• Strong troubleshooting skills for AWS related issues and incidents.
• Skilled in optimizing queries, managing caching, clustering, and leveraging auto-scaling to handle workloads.
• Proficient in automation and scripting (CloudFormation, Terraform, AWS CLI, Python, Bash, PowerShell) for database and workflow management.
• Must be able to obtain and maintain a Public Trust. Contract requirement. (DO NOT REMOVE)

*** Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week.***

FACTORS TO HELP YOU SHINE (Required Skills)

These skills will help you succeed in this position:

• Skilled in both relational and NoSQL database management, data modeling, normalization, and schema design.
• Experienced in configuring, launching, and managing EMR clusters, optimizing for performance and cost, and integrating with various data sources.
• Skilled in designing backup, disaster recovery, high availability, and failover solutions (Multi-AZ, read replicas).
• Advanced skills in writing complex SQL queries for data analysis, transformation, and reporting.
• AWS Experience:
• Proven ability to architect scalable, high-performance, and secure database solutions, with proficiency in query optimization, indexing, caching, and performance tuning using AWS tools.
• Experienced in integrating databases with other AWS services such as Lambda, S3, EC2, and Glue.
• Adept at securing AWS clusters, managing IAM roles, implementing encryption, and monitoring jobs using AWS tools (CloudWatch, CloudTrail).
• Snowflake Experience:
• Proficient in designing, implementing, and managing virtual data warehouses in Snowflake, with a strong understanding of micro-partitions.
• Experienced in schema design, normalization, and building efficient data structures in Snowflake.
• Familiar with data ingestion, transformation, and loading using Snowflake’s features and integration tools.
• Knowledgeable in Snowflake’s role-based access control, data encryption, and security best practices.
• Experienced in integrating Snowflake with BI tools (Tableau, Power BI) and using Python for data pipelines and machine learning applications

HOW TO STAND OUT FROM THE CROWD (Desired Skills)

Showcase your knowledge of modern development through the following experience or skills:

• Experience identifying requirements, researching options, designing, and implementing solutions at a leadership level on project work.
• Experience scripting in a Linux environment to automate ETL solutions and data migration jobs.
• Understand and apply quality techniques and practices (automated unit testing, Test Driven Design/Development, performance analysis, continuous integration)
• Ability to assist with architectural tactical thinking, information solutions and road maps to drive architectural recommendations.
• Detail oriented and committed to consistently completing repetitive production-like tasks on-time and error-free.
• Prior experience working in a federal agency or public sector environment.
• Effective communication skills for working with cross-functional teams, including data scientists, analysts, and business stakeholders.
• Ability to translate technical concepts into non-technical terms for business stakeholders.
• Ability to manage multiple projects, prioritize tasks, and deliver within deadlines.

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams and contribute to our communities. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around, you this is the place for you. Find your passion in a team environment where all members are valued regardless of contractor or employee status.  We are excited for you to take your place in our Leidos Family.

Are you an US citizen, US resident, or Visa candidate and think you might fit? We recommend you apply and start the conversation today! Join us in supporting our SSA contracts in Woodlawn, Maryland.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 25, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Position: Cloud Developer

Location: Melbourne, FL (Patrick SFB)

Make an Impact with Leidos

At Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. United by a shared commitment to our customers’ success, we empower our people, support our communities, and operate sustainably. Our Mission, Vision, and Values guide every aspect of our work, ensuring we do the right thing—for our customers, our people, and the world around us.

Thrive in an Impactful Environment

The Leidos Defense Sector offers a broad portfolio of systems, solutions, and services across land, sea, air, space, and cyberspace. We support critical defense missions with capabilities in enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence operations. Our teams tackle the world’s toughest security challenges for customers with “can’t fail” missions.

Leidos Defense Sector is seeking an Cloud Developer to join our engineering team to design, build, and maintain scalable cloud-native solutions. The ideal candidate combines strong serverless development skills (Lambda, API Gateway, Step Functions), hands-on data engineering experience (ETL/ELT, streaming, data lakes), and expertise with XML transformation tools. This role partners with product, and data teams to deliver reliable, performant systems to mobilize trusted data for customer services.

Primary Responsibilities:

• Design, develop, and deploy cloud‑native applications and microservices on AWS using serverless and container‑based architectures
• Implement, maintain, and optimize XML transformation workflows using tools such as XSLT, Apache DFDL, Saxon, or Altova MapForce
• Build and maintain data ingestion, transformation, and storage pipelines (batch and streaming) to support analytics and ML workloads
• Develop APIs and backend services using serverless frameworks (Lambda, API Gateway) and event‑driven architectures (SNS, SQS, EventBridge, Kinesis)
• Collaborate with data engineers to model, optimize, and operationalize data workflows across S3, Glue, Redshift, Snowflake, and related platforms
• Automate infrastructure provisioning and deployments using IaC tools (CloudFormation, Terraform, CDK) and CI/CD pipelines
• Monitor, troubleshoot, and optimize system performance, cost, and reliability; implement observability using CloudWatch, X‑Ray, Prometheus/Grafana
• Apply security best practices across the stack (IAM, KMS, VPC, encryption, least privilege) and ensure compliance with DoD security policies
• Produce and maintain documentation, runbooks, and code reviews; participate in post‑incident reviews
• Support on‑call rotation and occasional after‑hours work as needed

Basic Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or related disciple with 4+ years of relevant experience. Additional experience, training, or certifications may substitute for degree
• U.S. citizen; Currently possessing an Active DoD Top Secret clearance and eligibility for Top Secret/SCI
• IAT Level II certification (e.g., CompTIA Security+) or ability to earn within 6 months of hire
• 2+ years of hands‑on AWS experience (Lambda, API Gateway, S3, IAM, RDS/DynamoDB, VPC, CloudWatch)
• Strong programming skills in at least one serverless‑friendly language (Python, Node.js/TypeScript, Java, or Go)
• Experience building data pipelines and working with data stores (S3, Redshift, DynamoDB, RDS)
• Familiarity with IaC tools (Terraform, CloudFormation, CDK) and CI/CD pipelines
• Hands on experience with code repositories such as Git, GitLab, GitHub
• Knowledge of RESTful API design, event‑driven architectures, and asynchronous processing
• Experience with observability and troubleshooting in production environments

Preferred Qualifications:

• Experience with streaming technologies (Kinesis, Kafka, Glue Streaming)
• Hands‑on experience with Apache NiFi, including custom processors, flow versioning, and integration with Kafka, HDFS/S3, and downstream ETL systems
• Familiarity with serverless orchestration (Step Functions) and workflow automation
• AWS certifications (Developer, Solutions Architect, or Data Analytics)
• Experience with containerization and orchestration (Docker, EKS)
• Strong understanding of security and compliance controls for cloud data systems
• Experience with AI tooling such as Bedrock, SageMaker, Q, etc.
• Experience with Hashicorp
• Excellent communication skills and ability to work cross‑functionally

Ready to make an impact? Start your meaningful career journey with Leidos—submit your resume today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Mid/Sr Network Engineer

Leidos has a new and exciting opportunity for a Mid/Sr Network Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is looking for a Mid-Senior Level Network Engineer to join a highly performing agile team using the Scaled Agile Framework (SAFe) methodology to support a large, complex, fast-paced program. Program execution follows DEVOPS best practices and employs robust development, test and production environments. We are using Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools in providing system engineering, development, test, integration and operational support for a program that is injecting new technology and adding advanced capabilities, while continuing to support an on-going mission and operational system.

Responsibilities

The selected candidate will participate in the creation and ongoing maintenance of network documentation ensuring that clear, concise, and accurate information is readily available to assist with incident resolution. She/he will provide enterprise network support, working closely with the IT service provider teams to ensure customer requirements are considered and supported by the evolving LAN/WAN architecture. Responsibilities include executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs. The selected candidate will propose, design, test, and install capabilities that are new to the environment, and will oversee the development and maintenance of technical data such as rack elevations, installation instructions, and other as-built designs.

Required Qualifications

• Bachelor’s degree in engineering or a related field and at least 8 years of related experience. Additional experience may be substituted for a degree.
• Must have at least 5 years of in-depth experience with hardware/software from Cisco Systems.
• Must have at least 5 years of in-depth experience with hardware/software from Palo Alto Systems.
• Must have experience providing analysis, root cause diagnosis, and troubleshooting for routers, switches, and firewalls.
• Must have an in-depth understanding of IP subnetting, VLANs and the OSI layers.
• Must have in-depth experience with various vendor networking products (switches, routers, firewalls, etc.).
• Must have a solid understanding of different physical mediums such as copper and single mode/multimode fiber and physical connector types (RJ11, RJ45, LC, SC, ST, etc.).
• Must be able to respond to operational issues while off duty, on an on-call basis.

• Some travel will be required.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications

• Experience with KG-175 and/or KG-250/KG-255 configuration and deployment.
• Experience with VINE/GEM One.
• Experience with SolarWinds or other similar network monitoring applications, configuration and monitoring tools.
• Experience with VMWare 7 or higher usage and network configuration.
• Experience with any or all of the following technologies: Cisco, Nexus/ Catalyst/ ASA/ ISR/XE/ ASA/Firepower,ISE, McAfee Sidewinder, Palo Alto, Juniper, F5, IPSEC, NAT, SCP, TFTP, BGP, vPC.
• Experience with Cisco Call Manager server configuration and troubleshooting with integration of Instant Messaging (IMP), Cisco Meeting Server, Jabber and Unity Voicemail.
• Managing and upgrading the Cisco Unified Communications and Collaboration infrastructure – On Premise.
• Experience with OLT/PON.
• Experience with and a basic understanding of TCP MTU/MSS adjustments.
• Understanding of security using technologies as reverse proxies, cross domain solutions and load balancers.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

careers.leidos.com/CONMD

CSSKEY

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Mid/Sr Network Engineer

Leidos has a new and exciting opportunity for a Mid/Sr Network Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is looking for a Mid-Senior Level Network Engineer to join a highly performing agile team using the Scaled Agile Framework (SAFe) methodology to support a large, complex, fast-paced program. Program execution follows DEVOPS best practices and employs robust development, test and production environments. We are using Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools in providing system engineering, development, test, integration and operational support for a program that is injecting new technology and adding advanced capabilities, while continuing to support an on-going mission and operational system.

Responsibilities

The selected candidate will participate in the creation and ongoing maintenance of network documentation ensuring that clear, concise, and accurate information is readily available to assist with incident resolution. She/he will provide enterprise network support, working closely with the IT service provider teams to ensure customer requirements are considered and supported by the evolving LAN/WAN architecture. Responsibilities include executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and remediate IAVAs. The selected candidate will propose, design, test, and install capabilities that are new to the environment, and will oversee the development and maintenance of technical data such as rack elevations, installation instructions, and other as-built designs.

Required Qualifications

• Bachelor’s degree in engineering or a related field and at least 12 years of related experience. Additional experience may be substituted for a degree.
• Must have at least 5 years of in-depth experience with hardware/software from Cisco Systems.
• Must have at least 5 years of in-depth experience with hardware/software from Palo Alto Systems.
• Must have experience providing analysis, root cause diagnosis, and troubleshooting for routers, switches, and firewalls.
• Must have an in-depth understanding of IP subnetting, VLANs and the OSI layers.
• Must have in-depth experience with various vendor networking products (switches, routers, firewalls, etc.).
• Must have a solid understanding of different physical mediums such as copper and single mode/multimode fiber and physical connector types (RJ11, RJ45, LC, SC, ST, etc.).
• Must be able to respond to operational issues while off duty, on an on-call basis.

• Some travel will be required.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications

• Experience with KG-175 and/or KG-250/KG-255 configuration and deployment.
• Experience with VINE/GEM One.
• Experience with SolarWinds or other similar network monitoring applications, configuration and monitoring tools.
• Experience with VMWare 7 or higher usage and network configuration.
• Experience with any or all of the following technologies: Cisco, Nexus/ Catalyst/ ASA/ ISR/XE/ ASA/Firepower,ISE, McAfee Sidewinder, Palo Alto, Juniper, F5, IPSEC, NAT, SCP, TFTP, BGP, vPC.
• Experience with Cisco Call Manager server configuration and troubleshooting with integration of Instant Messaging (IMP), Cisco Meeting Server, Jabber and Unity Voicemail.
• Managing and upgrading the Cisco Unified Communications and Collaboration infrastructure – On Premise.
• Experience with OLT/PON.
• Experience with and a basic understanding of TCP MTU/MSS adjustments.
• Understanding of security using technologies as reverse proxies, cross domain solutions and load balancers.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

careers.leidos.com/CONMD

CSSKEY

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

The VAT Analyst will be assisting with the Enterprise Information System Vulnerability Management (ISVM) compliance validation, execute Vulnerability Scans and will conduct vulnerability assessments of IT systems. Perform research on current vulnerabilities, support Incident Response and SOC functions as related to vulnerabilities.  Will be responsible for authoring security advisories.

Basic Qualifications:

• Bachelor's Degree and 2 years of relevant professional work experience.  Additional years of experience are accepted in lieu of degree. OR Bachelor's Degree and 4 years of relevant professional work experience. Additional years of experience are accepted in lieu of degree.
• Familiarity with vulnerability scanning tools (e.g., Tenable Nessus, DBProtect, Qualys, IBM Guardium, WebInspect, Splunk, Swimlane, ServiceNow).
• Basic understanding of cloud environments (e.g., AWS) and cloud-based scanning tools (e.g., Anchore).
• Ability to maintain asset inventories within vulnerability management platforms.
• Capable of scheduling, launching, and monitoring vulnerability scans independently.
• Basic knowledge of cloud database services (e.g., AWS RDS clusters).
• Ability to generate, review, and distribute vulnerability scan reports to stakeholders.

Preferred Qualifications: 

• Awareness of federal cybersecurity frameworks (FISMA, NIST SP 800-53). Self-starter with the ability to independently prioritize and complete multiple tasks with little to no supervision
• Strong written, oral and presentation communication skills
• Experience with Configuration compliance and Security Technical Implementation Guides.
• Ability to script in one more of the following computer languages Python, Bash, Visual Basic or Powershell

Degree requirements:

Bachelor’s degree in computer science, Information Technology, Cybersecurity, Engineering, or related field OR equivalent combination of relevant certifications and professional experience (such as 4 years in vulnerability assessment, penetration testing, or security operations). Relevant experience is within one of the following areas pentesting, security technical assessments or supporting vulnerability scanning/management program.

Certifications:At least one entry-level certification (e.g., Security+, CEH, SSCP, GSEC)

Clearance: Must have an ability to obtain Public Trust clearance

In addition to the specific clearance requirement, all personnel supporting CBP must have a current background investigation (BI) or obtain a favorable BI before joining the program. In addition to specific security clearance requirements all CBP SOC employees are required to successfully complete a CBP Background Investigation to support this program

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a Senior Software Engineer with AI-enabled development experience based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ to support the UK National Airspace System Replacement Product Delivery Team (UK NASR PDT)

This role offers the opportunity to work on real-time, safety-critical systems that directly support national air traffic operations for the United Kingdom. You will help modernize a high-availability air traffic management platform using both traditional systems engineering practices and AI-augmented software development techniques.

This is a hybrid schedule with 3 days onsite and 2 days remote.

What You’ll Do

• Design, develop, test, and maintain software for real-time, high-availability systems
• Apply AI-assisted development tools to accelerate coding, refactoring, debugging, and automated test generation
• Use AI responsibly across the full SDLC — including requirements analysis, design, implementation, testing, documentation, and code review
• Analyze complex system requirements and translate them into efficient, maintainable designs
• Develop and maintain automation scripts across development, test, and production environments
• Promote code quality, reuse, traceability, and cross-team collaboration

Required Qualifications

AI-Driven Engineering Experience

We are specifically seeking engineers who actively integrate AI into their daily development workflow.

• Hands-on experience using AI-assisted coding tools (e.g., Claude Code, GitHub Copilot, or similar) for:

• Code generation and refactoring

• Debugging and automated test creation
• IDE-integrated workflows
• Familiarity with large language model platforms (OpenAI, Anthropic, Google Gemini, etc.)
• Experience designing effective prompts and validating AI-generated output
• Understanding of human-in-the-loop development and responsible AI usage
• Ability to evaluate AI-generated outputs for correctness, performance, safety, and bias — especially in regulated or safety-critical environments
• Experience incorporating AI/ML techniques into software engineering workflows
• Experience with automated testing frameworks

Core Technical Qualifications

• Bachelor’s degree in Computer Science or related field with 8+ years of relevant experience OR Master’s degree with 6+ years of relevant experience
• Strong object-oriented programming experience
• Proficiency in C, C++, and/or Ada (Ada preferred but not required)
• Experience developing real-time, multi-threaded systems
• Familiarity with Linux (Red Hat), virtual machines, and hypervisors
• Experience with low-level communications protocols (TCP/IP, UDP, SCTP)
• Experience with hardware or complex system integration
• Experience with source control and configuration management tools
• Strong communication skills and ability to work independently and within cross-functional teams
• Ability to obtain and maintain a Public Trust clearance
• US citizenship required

Why Leidos

You’ll work on systems where performance, precision, and reliability matter — every second. This is not experimental AI for prototypes. This is disciplined, responsible AI applied to mission-critical software that supports national infrastructure.

If you’re excited by solving complex problems in regulated, real-world environments — and using AI as a force multiplier rather than a shortcut — we’d like to talk.

ATMC

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise and advice to our customer.

Primary Responsibilities:

The Senior ISSE shall deliver and lead threat-informed cybersecurity products – cybersecurity risk assessments, architecture reviews, and engineering guidance that bring sound, accurate, timely, and actionable service to mission partners: This includes:

• Conduct cybersecurity risk assessments and provide prioritized risk mitigation recommendations in support of the customer’s mission.
• Support the design, implementation, and operation of real-time capabilities to discover, detect, analyze, and mitigate threats and vulnerabilities.
• Analyze candidate architectures by evaluating against defined security requirements to identify security gaps, and provide recommended mitigation strategy.
• Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness.
• Aid stakeholders through the development, refinement, delivery, and implementation of innovative solutions and capabilities.
• Engage stakeholders to ensure security objectives, protection needs, security requirements and associated validation methods are defined.
• Validates and verifies system security requirements definitions and analysis and establishes system security design
• Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing and enclave environment to include those with multiple enclaves and with differing data protection/classification requirements
• Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions
• Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations
• Reviews C&A documentation, providing feedback on completeness and compliance of its content

CLEARANCE REQUIRED: Active TS/SCI with polygraph.

Qualifications

• Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 14 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space
• CISSP OR CASP+ certification required
• Confidence and ability to present briefing to senior level DoD officials in both prepared briefings and/or in ad hoc discussions.
• Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments
• Expertise in network technology and systems security engineering. Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software applications, firmware, network hardware components, as well as network architecture design to identify protection needs and documented policies and procedures.
• Experience developing and documenting system security requirements and conducting requirements gap analysis.
• Experience with security monitoring and incident response capabilities
• Experience with emerging technologies such as Zero Trust, Cloud Computing, etc.
• Knowledge of, and practical experience with the NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.
• Ability to work independently within a schedule and with little direction.

CONMD

careers.leidos.com/CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 12, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The U.S. Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a U.S. Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations. Leidos is seeking an experienced Tier 2 Attack Sensing & Warning Analyst to join our team. As a member of the AS&W team supporting U.S. Customs and Border Protection (CBP), you will be responsible for leveraging advanced security technologies including EDR, SIEM, and network security tools to monitor, triage, and investigate endpoint and network activity, escalating alerts in accordance with established playbooks and procedures, analyzing logs and attacker behaviors to identify APT tactics, aggregating IOCs, and developing security content, scripts, and tools that enhance detection and incident response capabilities in support of the protection of the customers’ systems, networks, and assets.

Primary Responsibilities

Shift schedule: 7am-7pm, Sun-Tues, every other Wednesday. Utilize state of the art technologies such as Endpoint Detection & Response (EDR) tools, log analysis (Splunk) and occasionally network forensics (full packet capture solution) to investigative activity to examine endpoint and network-based data. Monitor alerting channels for multiple endpoint and network tools for alerts of various criticalities and escalate according to defined processes, procedures, and playbooks. Triage alerts to determine nature of activity occurring on customer networks, systems, servers, and mobile devices. Conduct log analysis from multiple avenues and tools to triage activity in support of incident response. Recognize attacker and APT activity, tactics, and procedures and aggregate indicators of compromise (IOCs) that can be used to improve monitoring, analysis and incident response. Develop and build security content, scripts, tools, or methods to enhance the incident investigation processes. Lead Incident Response activities and mentor junior SOC staff. Create daily, weekly, and monthly reports for dissemination to customer leadership with emphasis on attention to detail and accurate capturing of relevant, timely data for briefings. Succinctly and accurately capture technical details and summarize findings for less technical audiences. Work with key stakeholders to implement remediation plans in response to incidents. Effectively investigative and identify root cause findings then communicate findings to stakeholders including technical staff, and leadership. Strong problem-solving abilities with an analytic and qualitative mindset. Effectively communicate with customer leadership and disseminate timely updates of critical incidents with emphasis on attention to detail and accurate reporting.

Basic Qualifications

Bachelor’s degree in computer science, engineering, Information Technology (IT), Cyber Security, or related field and 2, 4 or 8 years of professional experience (depending on level). Additional years of experience are accepted in lieu of degree. 5 years of professional experience (or a Bachelors’ Degree and 3 years of professional experience) in incident detection, response and remediation. Minimum of three (3) but (5) preferred years of specialized experience in one or more of the following areas: Email security Digital media forensic Monitoring and detection Incident Response Vulnerability assessment and penetration testing Cyber intelligence analysis Extensive experience analyzing and synthesizing information with other relevant data sources, providing guidance and mentorship to others in cyber threat analysis and operations. Ability to collaborate with technical staff and customers to identify, assess, and resolve complex security problems/issues/risks and facilitate resolution and risk mitigation. Ability to stay up to date with the latest threat intelligence, security trends, tools, and capabilities. Possess strong problem-solving abilities with an analytic and qualitative eye for reasoning. Ability to independently prioritize and complete multiple tasks with little to no supervision.

Preferred Qualifications

Ability to coordinate and communicate well with team leads and government personnel. Experience with detection engineering efforts to tune alerts, signatures, and tools to reduce false positives. Experience in cyber government, and/or federal law enforcement Experience with the Cyber Kill Chain and MITRE ATT&CK framework Ability to formulate and create new processes, metrics, and procedures to improve security operations. Must be able to report into the office as many as 5 days per week in Ashburn, VA

Required certifications

The candidate should have at minimum ONE of the following

certifications

CompTIA Cyber Security Analyst (CySA+) CEH – Certified Ethical Hacker CompTIA Linux Network Professional (CLNP) CompTIA Pentest+ CompTIA Cybersecurity Analyst (CySA+) GPEN – Penetration Tester GWAPT – Web Application Penetration Tester GSNA – System and Network Auditor GISF – Security Fundamentals GXPN – Exploit Researcher and Advanced Penetration Tester GWEB – Web Application Defender GNFA – Network Forensic Analyst GMON – Continuous Monitoring Certification GCTI – Cyber Threat Intelligence GOSI – Open Source Intelligence OSCP (Certified Professional) OSCE (Certified Expert) OSWP (Wireless Professional) OSEE (Exploitation Expert) CCFP – Certified Cyber Forensics Professional CISSP – Certified Information Systems Security CHFI – Computer Hacking Forensic Investigator LPT – Licensed Penetration Tester CSA – EC Council Certified SOC Analyst (Previously ECSA – EC-Council Certified Security Analyst) ENSA – EC-Council Network Security Administrator ECIH – EC-Council Certified Incident Handler ECSS – EC-Council Certified Security Specialist ECES – EC-Council Certified Encryption Specialist

Clearance

All Department of Homeland Security CBP SOC employees are required to favorably pass a 5-year (BI) Background Investigation If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: March 4, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [email protected]. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Leidos is seeking a Control Systems Specialist to support the availability, reliability, and operational integrity of Industrial Control Systems (ICS) that underpin critical infrastructure and mission-critical facilities environments. This role is vital to ensuring continuous system uptime and operational excellence across multiple technical domains.

The ideal candidate is a hands-on technical expert with strong ICS experience, adept in troubleshooting complex systems and coordinating with interdisciplinary teams.  The individual should be familiar with control system database configuration and management and be comfortable with core facilities control system principles.

Primary Responsibilities:

• Oversee the deployment, operation, and monitoring of ICS to support critical infrastructure and minimize downtime.
• Perform advanced diagnostics, root cause analysis, and rapid troubleshooting to resolve system malfunctions.
• Collaborate with mechanical, electrical, and HVAC teams to ensure seamless integration and performance of control systems.
• Interpret engineering drawings, technical specifications, and project documentation to validate system design and ensure robust implementation.
• Develop and deliver technical training programs to field staff, focusing on reliability, incident response, and best practices.
• Build strong relationships with vendors, contractors, and service providers to coordinate technical support, manage warranties, and lead system upgrades.
• Support implementation of procedural and policy changes across sites to improve operational consistency and compliance.
• Contribute to projects spanning systems integration, system administration, and field operations with moderate to high impact.
• Stay up to date with industry standards, regulatory requirements, and emerging technologies in ICS and critical infrastructure protection.

Basic Qualifications

• TS/SCI w/ Poly Clearance is required
• Bachelor's or Master's degree and 5-8 years of relevant experience.
• Proven experience supporting Industrial Control Systems (ICS) in high-availability or mission-critical environments.
• Strong background in mechanical, electrical, or HVAC systems, with hands-on expertise integrating these with ICS platforms.
• Demonstrated ability to create and deliver technical training focused on system uptime and incident management.
• Excellent communication and technical documentation skills.
• Strong vendor management capabilities, including coordinating technical support and managing system enhancements.

Preferred Qualifications

• Experience in system administration, systems integration, or network installation in critical infrastructure settings.
• Familiarity with Microsoft Windows environments and relevant industrial automation software.
• Working knowledge of configuration management, document control, and system lifecycle support.
• Certifications such as CompTIA Network+, Security+, CCNA, or similar.
• Familiarity with ITIL frameworks or other service management practices.
• Experience with policy implementation, procedure development, and cross-team collaboration in large-scale operations.
• Experience with Tridium Niagara Framework (N4)
• Experience with BACnet and Modbus protocols
• Experience with Ignition
• Experience with DG Logik

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Platform Engineer Lead to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities

• Performs MLOPs and DevSecOps engineering operations to include Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Audit & Compliance, Secure and Post Deployment and Artifact Assurance

• Builds and manages the underlying infrastructure, platforms, and tooling that support application, data, and AI workloads.

• Designs resilient, scalable, and secure environments that optimize resource utilization and performance.

• Streamlines developer workflows by implementing automation, integration pipelines, and platform services that accelerate delivery and maintain operational reliability.

• Identify, prepare, track, secure, and integrate government, commercial and open-source tools and services into the CDAO System.

• Build and foster relationships with industry and academia

• Analyze and review the latest advances in commercial/open-source data, analytic, and AI technologies

• Prepare, and integrate commercial and open-source tools into the CDAO System within a timely manner,

• Assist vendor engineers in preparing and integrating tools to meet Industry, DoW, and CDAO standards.

• Integrate government, commercial, and open-source software, data, and AI tools.

• Manage a team of 8-15 direct reports, providing leadership, mentorship, and performance management.

• Foster a collaborative and high-performance team environment.

• Conduct regular team meetings, performance reviews, and career development discussions.

• Ensure team members have the necessary resources, training, and support to succeed.

• Address and resolve any team conflicts or issues promptly and effectively.

Basic Qualifications

• Advanced: Must either have a Bachelor degree or higher from an accredited college or university OR Valid certification of DoD 8140 (CASP+ or CCNP Security or CCSP)

• Must have an active Top Secret clearance and ability to obtain SCI and CI Poly

• 12+ years of experience as an application developer.

• Demonstrated experience with:

• Architecting and designing software using MBSE approaches (Requirements specification, User Behavior models, Component Design, and requirements traceability)

• Building and/or integrating Custom or COTS software products through MLOPS and DevSecOps automated tools within a cloud-based environment

• Installing, configuring, and managing Data and/or AI related COTS enterprise SW platforms in support of capability builders who develop Data, AI, and SW capabilities

• Engineering and operating data and AI platform tools (for example: DataBricks, Plantir, Collibra, Tableau) and performing at least 5 out of the following functions: Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Artifact Assurance, Secure and Post Deployment and Audit and Compliance.

• Experience with Agile software development methodologies and working in a dynamic MLOPS/DevSecOps team

• Experience in leading teams of infrastructure, platform, or system engineers in the development and use of data intelligence capabilities.

• Strong problem-solving, troubleshooting, and analytical skills.

• Proficiency utilizing Atlassian and open source tools such JIRA, Jenkins, Github and SonarCube

Preferred Qualifications

• Experience successfully developing, configuring, and / or managing capabilities within the CDAO ecosystem to meet Government requirements and mission needs

• Experience performing all of the following functions: Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Artifact Assurance, Secure and Post Deployment and Audit and Compliance.

• Experience with configuring and managing GitHub, Atlassian DevSecOps tools and automated CI/CD scripting

• Hands on experience with Databricks or related Data & AI Engineering and Operation platforms

• Understanding of end-to-end decision-making capabilities that are developed through Data & AI COTS SW platforms such as Databricks, Anthropic, Palantir, etc…

• Proficiency utilizing Cameo to build architecture and design MBSE-based artifacts and products

• Degree from an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems or Computer Engineering degree or a degree in a Mathematics or Engineering field.

• Active TS/SCI with CI Poly

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Platform Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities: 

• Performs MLOPs and DevSecOps engineering operations to include Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Audit & Compliance, Secure and Post Deployment and Artifact Assurance

• Builds and manages the underlying infrastructure, platforms, and tooling that support application, data, and AI workloads.

• Designs resilient, scalable, and secure environments that optimize resource utilization and performance.

• Streamlines developer workflows by implementing automation, integration pipelines, and platform services that accelerate delivery and maintain operational reliability.

• Identify, prepare, track, secure, and integrate government, commercial and open-source tools and services into the CDAO System.

• Build and foster relationships with industry and academia

• Analyze and review the latest advances in commercial/open-source data, analytic, and AI technologies

• Prepare, and integrate commercial and open-source tools into the CDAO System within a timely manner,

• Assist vendor engineers in preparing and integrating tools to meet Industry, DoW, and CDAO standards.

• Integrate government, commercial, and open-source software, data, and AI tools.

Basic Qualifications:

• Advanced: Must either have a Bachelor degree or higher from an accredited college or university OR Valid certification of DoD 8140 (CASP+ or CCNP Security or CCSP)

• Must have an active Top Secret clearance and ability to obtain SCI and CI Poly

• 12 + years of experience as an application developer.

• Demonstrated experience with:

• Architecting and designing software using MBSE approaches (Requirements specification, User Behavior models, Component Design, and requirements traceability)

• Building and/or integrating Custom or COTS software products through MLOPS and DevSecOps automated tools within a cloud-based environment

• Installing, configuring, and managing Data and/or AI related COTS enterprise SW platforms in support of capability builders who develop Data, AI, and SW capabilities

• Engineering and operating data and AI platform tools (for example: DataBricks, Plantir, Collibra, Tableau) and performing at least 5 out of the following functions: Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Artifact Assurance, Secure and Post Deployment and Audit and Compliance.

• Experience with Agile software development methodologies and working in a dynamic MLOPS/DevSecOps team

• Strong problem-solving, troubleshooting, and analytical skills.

• Proficiency utilizing Atlassian and open source tools such JIRA, Jenkins, Github and SonarCube

Preferred Qualifications:

• Experience successfully developing, configuring, and / or managing capabilities within the CDAO ecosystem to meet Government requirements and mission needs

• Experience performing all of the following functions: Mission-Driven Design, Static Code Analysis, CI/CD Automation, Security Scanning, Model Scanning, Artifact Assurance, Secure and Post Deployment and Audit and Compliance.

• Experience with configuring and managing GitHub, Atlassian DevSecOps tools and automated CI/CD scripting

• Hands on experience with Databricks or related Data & AI Engineering and Operation platforms

• Understanding of end-to-end decision-making capabilities that are developed through Data & AI COTS SW platforms such as Databricks, Anthropic, Palantir, etc…

• Proficiency utilizing Cameo to build architecture and design MBSE-based artifacts and products

• Degree from an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems or Computer Engineering degree or a degree in a Mathematics or Engineering field.

• Active TS/SCI with CI Poly

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Implement and maintain cybersecurity and information assurance capabilities aligned with system accreditation requirements.
• Configure and manage Free and Open Source Software (FOSS), Commercial-Off-The-Shelf (COTS), and Government-Off-The-Shelf (GOTS) security tools.
• Support the organization’s cybersecurity posture, Risk Management Framework (RMF) activities, and Authorization to Operate (ATO) processes.
• Develop and sustain secure development, deployment, and operational practices for data pipelines and enterprise systems.
• Coordinate with enterprise security teams to manage security incidents and conduct vulnerability analysis.
• Enforce security policies and architectures, and execute cybersecurity compliance activities, including Continuity of Operations (COOP), backup and restoration, and patch management.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering related aspects of the program.
• Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System.
• Design, prepare, and document systems engineering and cybersecurity artifacts for the System.
• Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System.
• Support the design, engineering, integration, and continuously improvement the underlying infrastructure of the System.
• Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System.
• Support the design, architecture, engineering, and continuously improvement all aspects of cybersecurity elements of the System.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System.

Basic Qualifications:

• Active Top Secret/SCI clearance with CI Poly.
• Bachelor’s degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12–15 years of relevant experience OR Master’s degree in a related field and 10–13 years of relevant experience.
• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:
• Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA),
• Offerings listed in the DoD 8140 Training Repository,
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• Minimum of 12 years of experience in cybersecurity engineering or related field.
• Proficiency in configuring and managing FOSS, COTS, and GOTS security tools.
• Experience in developing and sustaining secure development, deployment, and operational practices.
• Strong knowledge of NIST security controls, IdAM services, continuous monitoring, cross-domain security services, and Zero Trust compliance.
• Experience in managing security incidents, conducting vulnerability analysis, and enforcing security policies.
• Experience in preparing and maintaining cybersecurity artifacts and Body-of-Evidence (BOE) required to support the DoD RMF process.

Preferred Qualifications:

• CISSP, CCSP, CASP+, or equivalent advanced cybersecurity certification.
• Experience implementing enterprise-scale Zero Trust Architecture.
• Experience with automated compliance, configuration management, and continuous monitoring solutions.
• Experience supporting advanced threat detection, security analytics, or SIEM/SOAR integration.
• Experience supporting secure enterprise data, analytics, or AI platforms in multi-enclave environments.
• Experience with cloud-based environments and DevSecOps practices.
• Familiarity with AI/ML model serving and integration.
• Experience in site reliability engineering and defining key performance indicators (KPIs) and service level objectives (SLOs).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise and advice to our customer.

Primary Responsibilities:

The Senior ISSE shall deliver and lead threat-informed cybersecurity products – cybersecurity risk assessments, architecture reviews, and engineering guidance that bring sound, accurate, timely, and actionable service to mission partners: This includes:

• Conduct cybersecurity risk assessments and provide prioritized risk mitigation recommendations in support of the customer’s mission.
• Support the design, implementation, and operation of real-time capabilities to discover, detect, analyze, and mitigate threats and vulnerabilities.
• Analyze candidate architectures by evaluating against defined security requirements to identify security gaps, and provide recommended mitigation strategy.
• Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness.
• Aid stakeholders through the development, refinement, delivery, and implementation of innovative solutions and capabilities.
• Engage stakeholders to ensure security objectives, protection needs, security requirements and associated validation methods are defined.
• Validates and verifies system security requirements definitions and analysis and establishes system security design
• Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing and enclave environment to include those with multiple enclaves and with differing data protection/classification requirements
• Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions
• Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations
• Reviews C&A documentation, providing feedback on completeness and compliance of its content

CLEARANCE REQUIRED: Active TS/SCI with polygraph.

Qualifications

• Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space
• CISSP - ISSEP
• Strong writing skills
• Confidence and ability to present briefing to senior level DoD officials in both prepared briefings and/or in ad hoc discussions.
• Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments
• Expertise in network technology and systems security engineering. Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software applications, firmware, network hardware components, as well as network architecture design to identify protection needs and documented policies and procedures.
• Experience developing and documenting system security requirements and conducting requirements gap analysis.
• Experience with security monitoring and incident response capabilities
• Experience with emerging technologies such as Zero Trust, Cloud Computing, etc.
• Knowledge of, and practical experience with the NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.
• Ability to work independently within a schedule and with little direction.

conmd

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $154,050.00 - $278,475.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Mid-Level Information Systems Security Manager (ISSE)

Leidos has a new and exciting opportunity for a Mid-Level Information Systems Security Manager (ISSE) in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

A Mid-Level Information Systems Security Manager (ISSE) is needed for a critical program providing a broad range of support to operational requirements including Software Engineering, Systems Integration, Systems Administration, Network Engineering, Information Assurance, Cyber Security, Analytics Development, and Rapid Prototyping.

Contract Status: Proposal Phase/Contingent Upon Award.

Security Clearance: Active DoD TS/SCI with Polygraph required. We are not able to sponsor the clearance requirement.

Primary Responsibilities:

• Validating and verifying system security requirements and establishing/reviewing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
• Identifying and implementing appropriate information security architectures and functionality to ensure uniform application of security policy and enterprise solutions.
• Recommending and contributing to the development of technical solutions, products, and standards based on current and desired system security architecture.
• Assisting with the evaluation and mitigation of system security threats and risks throughout the program life cycle.
• Contributing to the security planning, assessment, risk analysis, risk management, certification and awareness activities for various system and networking operations.
• Effectively collaborating with other internal technical experts on a day-to-day basis.
• Communicating with program POCs regarding Security issues.
• Participating in program increment planning and related agile team activities.
• Working closely with System Engineering, Test Engineering, and Integration teams to ensure that the hardware and software architecture and implementation meet the security requirements for processing classified information.
• Analyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements.
• Assisting with the evaluation of new development on the operational security posture of the system.
• Evaluating, reviewing, and testing security-critical software and implementing and enforcing information systems security policies, standards, and methodologies.
• Auditing system security configuration settings using common methodologies and tools.
• Enforcing security strategies and policies that affect various components of the geographically distributed systems.
• Assisting with the evaluation of security solutions to ensure they meet customer specified requirements for processing classified information.
• Providing configuration management for security-relevant information system software.
• Evaluating security compliance requirements for new system features.
• Identifying and remediating security issues throughout the system.
• Supporting risk assessment, risk management, security control assessment, continuous monitoring, service design, and other IA program support functions.
• Working with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors and remediation approaches.
• Planning and conducting security verification testing of relevant type 1 devices.

Basic Qualifications:

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline and at least 8 years of relevant experience. Additional experience may be substituted for a Degree.
• Must have experience applying Risk Management Framework.
• Must have experience with IT security policy.
• Must have experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.
• Must have experience with or familiarity with secure configurations of commonly used desktop and server operating systems.
• Must be comfortable working on multiple systems and components simultaneously in various configurations.
• Must have strong verbal and written communications skills.
• Must be committed to adopting and adhering to best practices.
• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.

• Must be capable of performing high quality work both independently and with a team in a fast-moving environment.

• Clearance Required: Must have an active DoD TS/SCI with Polygraph. We are not able to sponsor the clearance requirement.

Preferred Qualifications:

• Experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
• Experience with security services management processes (i.e. assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response).
• Experience providing information assurance support for application development.
• Experience with penetration testing tools.
• Experience with scripting languages.
• DoD 8570 compliance with IASAE Level 2 or 3.
• Information Systems Security Engineering Professional (ISSEP) Certification and/or Computer Information Systems Security Professional (CISSP) Certification.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Architect to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

• Primary Responsibilities:
• Develop and implement enterprise-level cybersecurity strategies aligned with DoD and Federal security guidelines.
• Ensure selected technologies and architectures are resilient to modern cyber threats.
• Support timely completion of Authorization to Operate (ATO) activities across IL 3 through IL 6 environments.
• Collaborate with engineering and mission teams to align cybersecurity design decisions with system scope, performance needs, and operational constraints.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering related aspects of the program.
• Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System.
• Design, prepare, and document systems engineering and cybersecurity artifacts for the System.
• Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System.
• Design, engineer, integrate, and continuously improve the underlying infrastructure of the System.
• Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System.
• Design, architect, engineer, and continuously improve the user interface (UI) and user experience (UX) components.
• Design, build, and maintain services and products to effectively make production-ready AI/ML models accessible for customer use.
• Prepare and maintain cybersecurity architecture and system engineering solutions for the System.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System.

• Participate in the Engineering Control Board (ECB) process for supporting all major engineering milestones and decisions for the program.

• Basic Qualifications

• Active TS/SCI clearance with CI Poly.
• Bachelor’s degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12–15 years of relevant experience OR Master’s degree in a related field and 10–13 years of relevant experience.
• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:
• Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA)
• Offerings listed in the DoD 8140 Training Repository
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• Minimum of 12 years of experience in cybersecurity architecture and systems engineering.
• Experience with DoD and Federal security guidelines and standards.
• Proven track record of supporting ATO activities across IL 3 through IL 6 environments.
• Strong understanding of cybersecurity design principles and best practices.
• Experience with systems engineering and architecture planning and documentation.
• Proficiency in defining and maintaining APIs and technical standards.

• Experience with cloud environments, network, data storage, logging, and auditing functions.

• Preferred Qualifications:

• CISSP, CCSP, CASP+, or equivalent advanced cybersecurity certification.
• Experience defining enterprise security reference architectures for multi-enclave environments.
• Experience architecting automated compliance and continuous monitoring solutions.
• Experience integrating SIEM/SOAR and advanced cyber defense analytics into enterprise platforms.
• Experience supporting enterprise data, analytics, or AI platforms in secure environments.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is looking to fill a Data Center Manager position to support the National Digital Exploitation Center (NDOC).  This role will be responsible for the monitoring maintenance of all data center operations. This individual will collaborate with government customer to define the processes and standards that govern data center activities, monitor activities to confirm compliance, and track and report data center resource consumption (power, cooling, and rack space) to the Government.

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus.

Primary Responsibilities

• Collaborate with stakeholders to define the processes and standards that govern data center activities
• Monitor activities to confirm compliance
• Track and report data center resource consumption (power, cooling, and rack space).
• Coordinate and control access and logistic support
• Communicate maintenance intervals to affected stakeholders
• Follow Datacenters procedures and processes
• Establish new and/or modify existing procedures and processes for efficiency
• Manage and coordinate the installation and maintenance of date center equipment
• Ensure compliance with data center security protocols
• Prepare reports on data center operations
• Maintain data center documentation as assigned. These includes maintenance verifications documents, technical drawings, procurement documentations and related technical manuals
• Supervise – engage and oversee vendors and subcontractors supporting data center
• Control data center stocks (fiber, patch panels, connectors etc.)
• Responsible of racking and stacking of servers and related devices
• Design and implement server technologies in environments with multiple configurations
• Assist in performing root cause analysis for operational issues that occur
• Ensures safety all personnel/equipment on-site
• Provide support for implementation, troubleshooting, maintenance, and decommission of physical equipment. Rapidly distinguish between isolated server problems, network outages, and power/cooling issues that impact enterprise services.
• Provide data center support 24/7 to respond to emergency incidents that affect mission-essential services

Basic Qualifications

• Experience working in an AGILE environment
• Experience managing hardware configuration baselines
• Experience with Data Center Strategy, Planning, and Roadmap maintenance
• Experience with Data Center consolidation and cloud environment transition
• Strong oral and written communications skills
• Experience establishing goals and plans that meet project objectives
• Track record of working effectively within a team, and support to peers toward improved processes and results
• Knowledge of power infrastructure layout from generation to rack level, redundancy levels and techniques, rack standards, properties and selection criteria, and power rail/strip options, cold aisle/hot aisle containment, and standards for fire suppression, security and safety.
• Experience monitoring environmental sensors and determining issues prior to impact to systems
• Candidate must, at a minimum, meet DoD 8570.11- IAT Level II certification requirements (currently Security+, CCNA-Security, CySA+, GICSP, GSEC, CND, or SSCP along with an appropriate computing environment (CE) certification)

Education:

• Requires a bachelor’s degree and 12+ years of relevant experience. Additional years of experience may be considered in lieu of a degree.
• Experience supervising others.

Preferred Qualifications

• Experience operating and maintaining systems in a Windows environment
• Experience with SAN or network storage setup and administration
• Data Center Management Certification a plus
• Experience working in an Agile environment
• Familiarity with Hyper Converged Infrastructure (HCI) concepts and solutions
• Experience with troubleshooting within a security environment
• Experience with backup and restore procedures

Clearance

• Due to the nature of the government contracts we support, US Citizenship is required.
• TS/SCI with CI Poly required for Position or TS/SCI and willingness to get a poly.

NMEC DTP-leidos

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior Repository Administrator to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Maintain and administer version control systems to ensure codebase integrity, traceability, and compliance with established repository policies.
• Develop, deliver, and maintain appropriate Configuration Management Database (CMDB) technology as part of an enterprise level site reliability planning and execution.
• Manage user access, branch protections, and permission structures to safeguard source code across development and production environments.
• Monitor commits, merge activity, and repository health, enforcing governance practices that support reliable software development workflows.
• Coordinate with development, security, and release teams to ensure repositories remain organized, auditable, and aligned with configuration management requirements.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering related aspects of the program.
• Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System.
• Design, prepare, and document systems engineering and cybersecurity artifacts for the System.
• Establish and maintain a System Requirements management environment and associated system requirements management process for the System.
• Support the Government in recommending and conducting enterprise system architecture activities to fully define and scope the System.
• Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System.
• Design, engineer, integrate, and continuously improve the underlying infrastructure of the System.
• Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System.
• Design, architect, engineer, and continuously improve the user interface (UI) and user experience (UX) 8570components of the Platform.
• Design, build, and maintain services and products to effectively make production-ready AI/ML models accessible for customer use.
• Design, architect, engineer, and continuously improve all aspects of cybersecurity elements of the System.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System by applying software engineering principles to operational tasks.

Basic Qualifications:

• Active Top Secret (TS) clearance with SCI eligibility.
• Bachelor’s degree in Computer Science, Engineering, Information Systems, or related technical discipline and 8–12 years of relevant experience OR Master’s degree in a related field and 6–10 years of relevant experience.
• Experience administering and securing enterprise Git repositories and artifact management systems.
• Experience integrating repository platforms into CI/CD and DevSecOps pipelines.
• Experience implementing access controls, identity integration, and audit logging in secure environments.
• Experience supporting DoD Risk Management Framework (RMF) and NIST SP 800-53 compliance requirements.
• Experience operating within SAFe or large-scale Agile frameworks supporting enterprise systems.
• Experience with version control systems such as Git, SVN, or similar.

• Demonstrable experience engineering repository management, user access, and branch protection features and capabilities within an enterprise level system.

• Experience with systems engineering and architecture design.

• Knowledge of cybersecurity principles and practices.
• Experience with API development and technical standards.
• Experience with cloud environments, data storage, and DevSecOps practices.
• Strong analytical and problem-solving skills.

Preferred Qualifications:

• Active TS/SCI clearance.
• SAFe Agilist (SA) or related SAFe certification.
• Experience supporting multi-enclave DevSecOps environments.
• Experience with container security platforms and Kubernetes-based artifact registries.
• Experience supporting automated compliance, continuous monitoring, and vulnerability remediation workflows.
• Relevant cloud certification (AWS, Azure, or GCP).
• Experience with AI/ML model deployment and management.
• Familiarity with DoD standards and policies as they apply to Site Reliability practice area.
• Experience with site reliability engineering and performance optimization.
• Experience with user interface (UI) and user experience (UX) design.
• Knowledge of open-source tools and services integration.
• Experience with NIST security controls and Zero Trust compliance.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Systems Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Design and implement cybersecurity plans, architectures, and test descriptions leveraging FOSS, COTS, and GOTS products to meet system security requirements.
• Develop cybersecurity and information assurance artifacts using MBSE and other engineering tools to demonstrate security implementations mapping to ATO and RMF requirements.
• Own the data platform’s security strategy, policies, and procedures, ensuring consistent application of security controls across development, deployment, and operational workflows.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering aspects of the program.
• Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System.
• Design, prepare, and document systems engineering and cybersecurity artifacts for the System.
• Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System.
• Design, engineer, integrate, and continuously improve the underlying infrastructure of the System, including cloud environment, network, data storage, logging, auditing functions, and more.
• Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System.
• Design, architect, engineer, and continuously improve the user interface (UI) and user experience (UX) components.
• Design, build, and maintain services and products to make production-ready AI/ML models accessible for customer use.
• Prepare and maintain cybersecurity architecture and system engineering solutions for the System, ensuring compliance with Federal, DoD, and agency-specific security policies.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System.
• Participate in the Engineering Control Board (ECB) process for supporting all major engineering milestones and decisions for the program.

Basic Qualifications:

• Active TS/SCI clearance with CI Poly.
• Bachelor’s degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12 + years of relevant experience OR Master’s degree in a related field and 10 + years of relevant experience.

• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:

• Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA),

• Offerings listed in the DoD 8140 Training Repository,
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• Minimum of 10 years of experience in cybersecurity systems engineering to include leading teams of cybersecurity engineers in the development of security features, policy, and accreditation elements in concert with DoD security standards
• Experience with MBSE and other engineering tools.
• Proven experience in developing cybersecurity and information assurance artifacts.
• Experience with FOSS, COTS, and GOTS products.
• Experience in designing and implementing cybersecurity plans and architectures.

Preferred Qualifications:

• CISSP, CCSP, CASP+, or equivalent advanced cybersecurity certification.
• Experience implementing enterprise-scale Zero Trust Architecture.
• Experience leading advanced cyber defense analytics, SIEM/SOAR integration, or detection engineering teams.
• Experience implementing automated compliance and continuous monitoring solutions.
• Experience supporting multi-enclave DoD environments.
• Experience supporting enterprise data, analytics, or AI platforms in secure environments.

Clearance Required:

• Must possess Active TS/SCI clearance with CI Poly at time of consideration.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Systems Engineer Lead to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

• Design and implement cybersecurity plans, architectures, and test descriptions leveraging FOSS, COTS, and GOTS products to meet system security requirements.
• Develop cybersecurity and information assurance artifacts using MBSE and other engineering tools to demonstrate security implementations mapping to ATO and RMF requirements.
• Own the data platform’s security strategy, policies, and procedures, ensuring consistent application of security controls across development, deployment, and operational workflows.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering aspects of the program.
• Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System.
• Design, prepare, and document systems engineering and cybersecurity artifacts for the System.
• Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System.
• Design, engineer, integrate, and continuously improve the underlying infrastructure of the System, including cloud environment, network, data storage, logging, auditing functions, and more.
• Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System.
• Design, architect, engineer, and continuously improve the user interface (UI) and user experience (UX) components.
• Design, build, and maintain services and products to make production-ready AI/ML models accessible for customer use.
• Prepare and maintain cybersecurity architecture and system engineering solutions for the System, ensuring compliance with Federal, DoD, and agency-specific security policies.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System.
• Participate in the Engineering Control Board (ECB) process for supporting all major engineering milestones and decisions for the program.
• Manage a team of 8-15 direct reports, providing leadership, guidance, and performance management.

Basic Qualifications:

• Active TS/SCI clearance with CI Poly.
• Bachelor’s degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12 + years of relevant experience OR Master’s degree in a related field and 10 + years of relevant experience.

• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:

• Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA),

• Offerings listed in the DoD 8140 Training Repository,
• Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
• Minimum of 10 years of experience in cybersecurity systems engineering to include leading teams of cybersecurity engineers in the development of security features, policy, and accreditation elements in concert with DoD security standards
• Experience with MBSE and other engineering tools.
• Proven experience in developing cybersecurity and information assurance artifacts.
• Experience with FOSS, COTS, and GOTS products.
• Experience in designing and implementing cybersecurity plans and architectures.
• Demonstrated experience leading and mentoring cybersecurity engineering teams.

Preferred Qualifications:

• CISSP, CCSP, CASP+, or equivalent advanced cybersecurity certification.
• Experience implementing enterprise-scale Zero Trust Architecture.
• Experience leading advanced cyber defense analytics, SIEM/SOAR integration, or detection engineering teams.
• Experience implementing automated compliance and continuous monitoring solutions.
• Experience supporting multi-enclave DoD environments.
• Experience supporting enterprise data, analytics, or AI platforms in secure environments.

Clearance Requirements:

• Must possess an Active TS/SCI clearance with CI Poly at time of consideration

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 9, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical experience with administering Linux servers within a within a physical and virtual environment.  This role is responsible for interacting with administrators to handle service inquiries and problems. Duties include examining customer problems and implementing appropriate corrective action to initiate a repair or return to service.  This role analyzes recurring problems and initiates solutions for preventing reoccurrence and analyzes existing infrastructure for tuning/performance enhancements.  This Individuals in this role may be required to perform technical software configuration, rebooting, and other remedial actions on customer servers.

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus.

Primary Responsibilities

• Provide technical support, administration, and monitoring of Linux systems within a physical and virtual environment.
• Provide support for the implementation, troubleshooting and maintenance of IT systems. Rapidly distinguish isolated user problems from enterprise-wide application/system problems.
• Support operations, maintenance and troubleshooting for end user workstations, to include desktop applications
• Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
• Seek opportunities for continuous improvement to support effective and efficient operations
• Develop solutions to complex technical issues.
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives.
• Support customer requirements in a dynamic, fast-paced environment. Provide on-call support during outages occurring after hours; may involve shift work.
• Update operations and monitoring documentation for 24/7/365 Operations Watch personnel.

Basic Qualifications

• Requires a Bachelor’s degree and 8+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree.
• System security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing
• Possesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature requiring originality and innovation in determining how to accomplish tasks.
• Background in Linux or UNIX server setup, deployment and maintenance
• Experience using Red Hat Satellite Server and/or Spacewalk for patching and system management
• Experience with hardening Linux environments
• Experience with system administration of server operating systems such as Linux (RHEL, Rocky Linux, Oracle Linux, Ubuntu)
• Familiarity with supporting virtual desktops running Microsoft Windows
• Experience with configuration management tools such as Ansible, Salt, Puppet, Chef
• Experience with Scripting/Automation through Linux Shell scripts, PowerShell, PowerCLI, or other scripting languages
• Experience troubleshooting issues in a growing environment
• Experience with log reviews, incident analysis, and identification of issue trends
• Experience with server patch management methodologies
• Time management skills with the ability to work within an IT Service Management/ticketing system independently
• Ability to triage and properly classify incidents and prioritize work efforts accordingly
• Strong oral and written communications skills
• Experience establishing goals and plans that meet project objectives
• Track record of working effectively within a team, and support to peers toward improved processes and results
• Perform systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance.
• Must be able to work independently to develop solutions to technical problems.
• Certification relating to Linux such as Red Hat Certified System Administrator (RHCSA)
• Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)

Clearance

• Active TS/SCI clearance with Polygraph required OR active TS/SCI and willingness to get a Poly.
• US Citizenship is required due to the nature of the government contracts we support.

Preferred Qualifications

• Knowledge of AWS or Azure cloud services and the cloud ecosystem.
• Experience operating and maintaining systems in a Windows environment
• Certification relating to VMware (VCA/VCP)
• Experience with SAN or network storage setup and administration
• Experience working in an Agile environment
• Experience with troubleshooting within a security environment
• Experience with backup and restore procedures

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking an Information Systems Security Engineer (ISSE) for a technical development program supporting cloud-based applications, and its associated cloud infrastructure located on a highly secure network.  The ISSE will work with a large team of developers, system engineers, DevOps engineers, database administrators, and system architects.

Core business hours for the team are from 9 AM to 3 PM daily – exceptions outside of those hours for the candidate may be negotiated in consultation with management.

The typical day for an ISSE supporting the cloud-based applications is as follows:

• The ISSE will participate in the team’s regularly scheduled Agile tag up (scrum) meetings and report on the status of their assigned Jira issues
• Attend ad-hoc TEMs with the team to discuss and weigh in on numerous architectural aspects of the systems for assessing security impacts that may arise with system changes
• Assist with and/or lead security scans of the systems and report and analyze findings for impacts
• Review any security findings (CVEs) as noted by outside entities for system impact analysis and how best to proceed with addressing them
• Participate in team TEMs and review future system changes/new features for security impacts

Primary Responsibilities

• Identifying, selecting, implementing and assessing NIST SP 800-53 security and privacy controls.
• Developing, establishing and integrating secure configuration baselines per DISA STIGs and CIS benchmark guidelines
• Participate in creating secure architectures and designs
• Ensuring security requirements are integrated into the System/Software Development life cycle (SDLC).
• Performing Continuous Monitoring (ConMon) activities to support Assessment and Authorization (A&A) requirements
• Reviewing, creating and maintaining relevant Assessment and Authorization (A&A) artifacts
• Performing security analysis and monitoring of a 100 percent AWS, cloud-based system
• Performing vulnerability scanning and analysis of the system
• Perform remediation and develop security implementations based on security findings
• Interface with Information System Security Managers (ISSM) to develop and accredit the system
• Participate in or lead technical exchange meetings, document meeting outcomes as needed, and brief management

Required Qualifications

• Bachelor's degree and 8+ years of experience. Additional experience in lieu of degree.
• Active TS/SCI with Polygraph
• Other qualifications:
• Hands on experience with Linux (CLI)
• Hands on experience with scripting and programming languages like BASH and Python
• Solid understanding of, experience with networking (e.g., ports, routing tables, subnets, VPNs, firewalls, routers, etc.) to include design, integration and troubleshooting issues
• Experience in working on teams utilizing Agile workflows and processes
• Strong understanding of NIST SP 800-37, NIST SP 800-53, NIST SP 800-160, DISA/CIS STIGs, and Common Vulnerabilities and Exposures (CVEs)
• Experience with RMF workflow tools
• Strong communication, organizational, and writing skills.
• Must be able to clearly and directly articulate their findings and recommendations.
• Must be open minded to considering alternative approaches to possible security issues noted by other team members

Desired Qualifications

• Relevant IT certifications (e.g., CISSP, AWS Cloud Practitioner, AWS Cloud Security, AI security, etc.)
• Experience working with Infrastructure as Code (IaC) solutions such as Ansible / Terraform, or other configuration and automation tools
• Experience in working in a cloud-based environment (AWS)

FIP

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Applications Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!

PROGRAM SUMMARY:

Product development includes tactical mobile development as well as enterprise web application development.  The portfolio of products support the Cybersecurity and Information Assurance domains.  These systems deploy a variety of technologies and communicate with infrastructure interfaces to bring secure, modern-day Cybersecurity and Cryptographic Key Management solutions to the warfighter.

Primary Responsibilities:

The successful candidate will work on a mix of web service development, full stack web application development and robust persistence layer implementations in an Agile Scrum environment.  This involves the use of Themes, Epics, User Stories, acceptance criteria and other system engineering artifacts as part of an Agile team.  He/she will use a variety of software engineering best practices and clean coding techniques to ensure that developed code is maintainable, efficient, reliable, understandable, secure, fault tolerant and meets S.O.L.I.D coding principles.  

The candidate will be knowledgeable about (and apply) secure software development principles and techniques.  He/she will use software tools in cooperation with continuous integration and test automation management process and understand software components and their interface requirements.  The candidate will interface with software engineers, system engineers, information assurance engineers, test engineers, quality assurance, and other project team members.  He/she will be responsible for setting the standards and helping the team adopt and adhere to Test Driven Development (TDD) practices within the Leidos Agile Framework to ensure the proper degree of engineering rigor is applied to all assigned tasks.

Basic Qualifications:

• BS Degree in Computer Science or equivalent and 4+ years of relevant experience. Will consider experience in lieu of a degree.
• Active Secret Clearance (Required)
• Experience with web-based (HTML, CSS, JavaScript) in a web-based environment
• Experience in Scrum Methodology or other Agile environments (e.g., SAFe, XP)
• Experience with UI / Development Frameworks (E.g, AngularJS, Ionic, GWT, SmartGWT, Qt, React, Node.js)
• Experience with Automated Testing Tools/Technologies/Concepts (Selenium, Cucumber, Gherkin, BDD)
• Experience with Test Driven Development (TDD)
• Works well in a team environment and has excellent written and communication skills
• DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire).

Preferred Qualifications:

• Experience with Web Services Architectures (REST, SOAP, AWS)
• Experience with Software CM (e.g., Git, GitHub)
• Experience with Continuous Integration / Quality, and DevOps concepts and tools / technologies (e.g., Ant / Maven, Jenkins, SonarQube, FishEye, Crucible, Gradle, Junit)
• Experience with Security Scanning  (HP Fortify, HP WebInspect)
• Experience with Build Scripts (e.g., Maven, ANT)
• Experience with Mobile Application Development
• Experience with Agile Management Tools and Concepts (e.g., VersionOne, JIRA, Rally, etc.)
• Experience with Web Server Configuration (e.g., JBOSS, Wildfly, Tomcat)
• Experience with Database Development (e.g., Postgres, SQL Server, MySQL, SQLite, Oracle)

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

We are seeking a senior cybersecurity and Zero Trust engineer to design and implement resilient, secure-by-design enterprise architectures supporting mission-critical systems.

This role provides technical leadership in SecDevOps, leveraging infrastructure and policy as code, open-source and COTS tools, and container-based platforms to deliver scalable, secure solutions aligned with Zero Trust (NIST 800-207, DoD ZT RA). The ideal candidate brings strong software engineering experience (Python preferred), continuous integration and continuous delivery practices expertise in Agile environments, and the ability to integrate security across infrastructure, applications, and nonhuman identities. Responsibilities include resolving complex system issues, managing technical risk, and maintaining configuration integrity across enterprise environments.

Primary Responsibilities
•This individual is expected to be a thought leader with respect to Software Development and Cyber Security. With expertise in SecDevOps trends and technologies.
•Leverage open-source and COTS tools to manage infrastructure via code, policy as code and designing reusable components for scalable, highly-available, secure architectures including container-based applications.
•Apply Engineering and SecDevOps expertise to ensure congruence of the various infrastructure, software, configurations and interfaces maintained under configuration control.
•Work with an Agile team, attend daily scrums; communicating and collaborating frequently with teammates to ensure successful completion of project objectives.
•Troubleshoot and resolve installation, infrastructure, and system issues.
•Proactively and independently identify, report, monitor, and mitigate technical risks.

Basic Qualifications
•Bachelor's degree and 12+ years of prior relevant technical experience in software engineering, engineering, data science, cybersecurity or cyber operations, or related field. Additional years of experience may be considered in lieu of degree requirements.
•Experience working with Agile software development teams and implementing continuous integration and continuous delivery practices. 
•Excellent problem solving and analysis skills, including the ability to logically create structure and order from unstructured inputs.
•Experience with secure architectures including Zero Trust (NIST 800-207, DoD ZT RA), Secure-by-Design patterns (CISA), or resilient systems design. (NIST 800-160 v2r1)  
•Understanding of with SecDevOps, DevOps, and nonhuman identities (NHI) and related technologies.
•Hands-on Software Development Skills (Python-Preferred) Understanding of machine learning algorithms, tools and platforms (NumPy, SciPy, scikit-learn, TensorFlow, Pytorch, or similar) 
•Experience working independently and in a team in an innovative and fast-paced environment while delivering to deadlines. 
•Enthusiasm for innovation, experimentation and self-development in the cybersecurity field. 
•Excellent interpersonal/communication skills, both verbal and written.
•Must be a US Citizen with the ability to obtain and maintain a secret security clearance.

Preferred Qualifications
•Advanced degree (Masters or Ph.D.) 
•Demonstrated ability to rapidly prototype, iterate, and integrate in a collaborate research environment. 
•Experience working with technology vendors and academic researchers, as well as leading multi-disciplinary research teams. 
•The ability to obtain and maintain a TS/SCI clearance

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 11, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has an immediate need for a highly skilled and versatile Data Engineer, Sr. to drive the massive data discovery and classification effort for the Zero Trust initiative at U.S. Special Operations Command (USSOCOM). Before data can be protected, it must be found and understood. You will be responsible for illuminating "dark data" across the Command’s complex information environment, ranging from hyperscale cloud data lakes on NIPR to legacy file shares and isolated storage arrays on the SIPR and Top-Secret networks.

As a Data Engineer, Sr., you will architect and manage the deployment of advanced discovery platforms, specifically BigID and NetApp BlueXP. You will configure these tools to crawl petabytes of structured (SQL/Oracle), semi-structured (logs/NoSQL), and unstructured (SharePoint/File Shares) data. Your primary mission is to build the "Global Data Inventory"—a dynamic, real-time map of where sensitive CUI and classified intelligence resides—enabling the security teams to apply precision protection. You will use your knowledge of data pipelines and storage infrastructure to ensure that scanning operations provide 100% visibility without degrading network performance.

Responsibilities:

• Data Discovery Architecture: Deploy and manage BigID and NetApp BlueXP scanners across hybrid environments, including configuring dockerized collectors for air-gapped discovery on the Top-Secret network.
• Structured Data Mapping: Connect discovery tools to enterprise databases (SQL Server, Oracle, PostgreSQL) to scan schemas and columns for PII, DoD ID numbers, and other sensitive indicators without impacting database performance.
• Unstructured Data Crawling: Configure scans for massive file repositories (NetApp NAS, QNAP, SharePoint On-Premises), optimizing scan windows and throttling to prevent latency for mission users.
• Cloud Data Integration: Utilize Microsoft Purview Data Map and custom connectors to inventory data residing in AWS S3 buckets, Azure Blobs, and Data Lakes.
• Classification Tuning: Collaborate with mission owners to train Machine Learning (ML) classifiers to recognize unique USSOCOM data types (e.g., mission names, operational codes) and reduce false positive rates in the data inventory.

Qualifications:

Security Clearance: Active Top-Secret clearance with SCI eligibility (TS/SCI).

Education: Master’s degree in Systems Engineering, Computer Science, Cybersecurity, Electrical Engineering, or a related technical field.

Experience: 10+ years of prior relevant experience.

Certification: CompTIA Security+ CE (or higher) to meet DoD 8570 IAT Level II requirements.

Preferred Qualifications:

Preferred Experience/Skills:

• Experience with Microsoft Purview Data Map (formerly Azure Purview).
• Knowledge of Regex for custom data pattern definition.
• Background in Data Engineering or ETL pipeline development.
• Familiarity with USSOCOM network architecture and storage standards.

Preferred Certifications:

• Certified Kubernetes Administrator (CKA).
• Azure Data Engineer Associate or BigID Certified Professional.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Digital Modernization sector is looking for a Cyber Fusion Analyst to support a Defensive Cyber Operations (DCO) team in Washington, DC. This position is expected to become available in Summer 2026.

Our Cyber Fusionteam provides mission-critical support to the customer’s mission of protecting federal networked systems by integrating disparate intelligence, hunting telemetry, and vulnerability data into a single operational view. We bridge the gap between "knowing the threat" and "stopping the threat," ensuring that intelligence directly drives defensive actions.

This hybrid position is primarily on-site, with potential for up to 20% telework.  While this position will primarily work during core hours (0600 – 1600), this position will be supporting a team of analysts working 24/7 rotating shifts (days, swings, nights).  As such, occasional shift work or weekend work may be required to fill unexpected gaps in coverage.

PRIMARY RESPONSIBILITIES:

• Intelligence-Driven Defense: Synthesize external threat intelligence (TTPs, IOCs) with internal hunt telemetry to develop a comprehensive understanding of the adversary's impact on the enterprise.
• Fusion Analysis & Reporting: Author high-impact "Fusion Reports" that blend technical forensics with strategic intelligence to brief senior leadership on trending threats and operational risks.
• Advanced Correlation: Utilize SIEM and Threat Intelligence Platforms (TIP) to correlate global threat actor activity against internal sensor logs, identifying "low and slow" campaigns that span multiple mission sets.
• Adversary Campaign Tracking: Maintain a living "Adversary Encyclopedia" by mapping internal discoveries to the MITRE ATT&CK framework to identify systemic defensive gaps.
• Vulnerability-Intelligence Pairing: Analyze Vulnerability Disclosure Program (VDP) data alongside active threat reporting to prioritize patching efforts based on real-world exploitation trends.
• Tactical Countermeasure Influence: Provide data-backed recommendations to Engineering and DCO teams to adjust firewall rules, EDR policies, and SIEM logic based on emerging fusion findings.
• Indications & Warnings (I&W): Develop and refine custom analytics that provide "early warning" of adversary reconnaissance or pre-exploitation activity targeting the customer enterprise.
• Continuous Knowledge Management: Maintain the "Single Source of Truth" for threat data, ensuring that Hunt, Intel, and Engineering teams are operating from a synchronized set of prioritized threats.

BASIC QUALIFICATIONS:

• Bachelor’s Degree with 8+ yrs of experience or Master’s Degree with 6+ yrs of relevant experience; additional years of experience may be substituted in lieu of degrees.
• DoD 8570 IAT Level II/III: Must hold a certification such as CompTIA Security+, CASP+ CE, or CISSP.
• DoD 8570 CSSP Analyst: Must hold a CSSP Analyst certification (e.g., CEH, CySA+) or obtain within 180 days.
• Analytic Writing Mastery: Demonstrated ability to synthesize complex technical data into concise, non-technical executive briefings.
• Framework Proficiency: Expert understanding of the Cyber Kill Chain, Diamond Model, and MITRE ATT&CK.
• Security Clearance: Current DoD TS/SCI security clearance and ability to pass additional customer suitability screenings prior to start and maintain throughout employment.

PREFERRED SKILLS:

• Fusion Center Experience: Previous experience working within a government or large-scale commercial Cyber Fusion Center (CFC) or Joint Operations Center (JOC).
• Query & Scripting: Proficiency in SPL (Splunk) or KQL (Kusto) for data correlation; Python skills for automating intelligence ingestion and enrichment.
• OSINT & Commercial Portals: Experience utilizing tools like Recorded Future, VirusTotal, or Mandiant Advantage to pivot from external indicators to internal threats.
• Cloud Fusion: Familiarity with fusion analysis within AWS, Azure, or O365 environments, specifically correlating cloud-native audit logs.
• Adversary Emulation: Basic understanding of Red Teaming or Penetration Testing methodologies to better predict adversary movement.

ms

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Digital Modernization sector is looking for a Cyber Threat Hunter to support a Defensive Cyber Operations (DCO) team in Washington, DC. This position is expected to become available in Summer 2026.

Our team provides mission critical, 24/7 operational support to the customer’s mission of protecting federal networked systems and services from cyber threats impacting national security. This hybrid position is primarily on-site, with potential for up to 20% telework.While this position will primarily work during core hours (0600 – 1600), this position will be supporting a team of analysts working 24/7 rotating shifts (days, swings, nights).  As such, occasional shift work or weekend work may be required to fill unexpected gaps in coverage.

PRIMARY RESPONSIBILITIES:

• Hypothesis-Driven Hunting: Develop and execute structured hunt campaigns by forming theories on adversary persistence and lateral movement based on the latest TTPs.
• Advanced Telemetry Analysis: Query and correlate massive datasets across cloud resources, identity systems, and network infrastructure to identify "low and slow" attacks that evade automated detection.
• Detection Engineering Pipeline: Partner with detection teams to transform manual hunt discoveries into high-fidelity, automated detection rules (SIEM/EDR).
• Automated Countermeasure Deployment: Design and maintain automation scripts to scale threat mitigation and isolate compromised assets at machine speed.
• APT Targeting & Engagement: Utilize the MITRE ATT&CK framework to proactively search for Advanced Persistent Threat (APT) activity, assuming a "breach mentality" to uncover hidden adversaries.
• Indications & Warnings (I&W) Integration: Analyze internal and external telemetry to identify early triggers and "smoke" that signal an imminent or ongoing compromise.
• Tactical Reporting & Metrics: Author detailed technical hunt reports summarizing findings, operational gaps, and measurable improvements to the organization's security posture.
• Situational Awareness: Maintain a deep understanding of the current threat landscape, focusing on how new vulnerabilities or malware variants could be exploited within the customer enterprise.

BASIC QUALIFICATIONS:

• Bachelor’s Degree with 8+ yrs of experience or Master’s Degree with 6+ yrs of relevant experience; additional years of experience may be substituted in lieu of degrees.
• DoD 8570 IAT Level II/III: Must hold an IAT Level II or higher certification (or obtain within 180 days). (e.g., CompTIA Security +, CySA+, GSEC and SSCP) or (CASP+ CE, CCNP Security, CISA, GCED, and GCIH)
• DoD 8570 CSSP Analyst: Must hold a CSSP Analyst certification (or obtain within 180 days). (e.g., CompTIA CySA+, Cloud+, GIAC Global Information Assurance Certification (GCIA))
• DoD 8570 CSSP Infrastructure Support: Must hold a CSSP Infrastructure Support certification (or obtain within 180 days). (e.g., CompTIA CySA+, Cloud+, EC-Council CEH, CND, CHFI, GIAC GICSP, and ISC2 SSCP)
• Technical Proficiency: Expert knowledge of networking protocols (TCP/IP, DNS, HTTP/S) and common security elements like IDS/IPS and next-gen firewalls.

• Data Analysis: Direct experience analyzing complex packet captures and endpoint logs to reconstruct attack timelines.

• Security Clearance: Current DoD TS/SCI security clearance and ability to pass additional customer suitability screenings prior to start and maintain throughout employment.

PREFERRED SKILLS:

• Hunt Methodology: Demonstrated experience planning and executing hunt missions in complex, hybrid-cloud environments.
• Query Languages: Expert proficiency in SPL (Splunk), KQL (Kusto), or DSL (Elastic) for large-scale data mining.
• Scripting for Security: Advanced use of Python, PowerShell, or Bash to automate repetitive hunt tasks and data enrichment.
• Forensic Insight: Previous experience in Digital Forensics or Incident Response (DFIR) to assist in root-cause analysis.
• Cloud Infrastructure: Familiarity with hunting within AWS, Azure, O365, and containerized workloads.
• AI-Enhanced Defense: Experience using AI-driven analytics to sift through noise and identify anomalous behavioral patterns.

ms

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Digital Modernization sector is looking for a Cyber Threat Intelligence Analyst to support a Defensive Cyber Operations (DCO) team in Washington, DC. This position is expected to become available in Summer 2026.

Our team provides mission critical, 24/7 operational support to the customer’s mission of protecting federal networked systems and services from cyber threats impacting national security.  We are looking for a self-starter who is capable of independently performing their daily tasks but also works well within a team that requires significant coordination and communication.

This hybrid position is primarily on-site, with potential for up to 20% telework.While this position will primarily work during core hours (0600 – 1600), this position will be supporting a team of analysts working 24/7 rotating shifts (days, swings, nights).  As such, occasional shift work or weekend work may be required to fill unexpected gaps in coverage.

PRIMARY RESPONSIBILITIES:

• Produce High-Value Intelligence: Lead the production of strategic, operational, and tactical intelligence reports to inform stakeholders of emerging threats, actor motivations, and potential impacts.
• Adversary Characterization: Analyze adversary tactics, techniques, and procedures (TTPs) using frameworks like MITRE ATT&CK to develop comprehensive profiles of Advanced Persistent Threats (APTs) relevant to the enterprise.
• Intelligence Lifecycle Management: Drive the end-to-end intelligence cycle, including developing Priority Intelligence Requirements (PIRs), managing collection plans, and disseminating actionable intelligence to defensive teams.
• Threat Modeling & Forecasting: Maintain proactive situational awareness by evaluating DoD, IC, and open-source reporting to forecast shifts in the threat landscape and identify systemic vulnerabilities before they are exploited.
• Indicator Lifecycle Management: Evaluate the fidelity of Indicators of Compromise (IOCs) and Indicators of Behavior (IOBs); manage the ingestion, enrichment, and expiration of threat data within a Threat Intelligence Platform (TIP).
• Support Hunt & DCO Operations: Provide the intelligence foundation for Hunt missions and Defensive Cyber Operations (DCO) by delivering "Indications & Warnings" and actionable pivot points for internal investigations.
• Automated Intelligence Integration: Design solutions to automate the delivery of threat data to security controls (SIEM/SOAR/Firewalls) and develop scripts to streamline data collection and correlation.
• Strategic Advisory: Provide recommendations for executive-level decision-making regarding risk management, security architecture improvements, and intelligence-driven defense strategies.

BASIC QUALIFICATIONS:

• Bachelor's Degree with 8+ yrs of experience or Master’s Degree with 6+ yrs of relevant experience; additional years of experience may be substituted in lieu of degrees.
• DoD 8570 IAT Level II/III: Must hold an IAT Level II or higher certification (or obtain within 180 days). (e.g., CompTIA Security +, CySA+, GSEC and SSCP) or (CASP+ CE, CCNP Security, CISA, GCED, and GCIH)
• DoD 8570 CSSP Analyst: Must hold a CSSP Analyst certification (or obtain within 180 days). (e.g., CompTIA CySA+, Cloud+, GIAC Global Information Assurance Certification (GCIA))
• DoD 8570 CSSP Infrastructure Support: Must hold a CSSP Infrastructure Support certification (or obtain within 180 days). (e.g., CompTIA CySA+, Cloud+, EC-Council CEH, CND, CHFI, GIAC GICSP, and ISC2 SSCP)
• Technical Proficiency: Strong knowledge of networking protocols, computing security elements (IDS/IPS, Firewalls), and experience with data correlation and analysis.
• Security Clearance: Current DoD TS/SCI security clearance and ability to pass additional customer suitability screenings prior to start and maintain throughout employment.

PREFERRED SKILLS:

• Advanced Threat Analysis: Demonstrated expertise in analyzing malware reports, forensic data, and packet captures to extract actionable intelligence.
• Framework Proficiency: Expert-level understanding of the Cyber Kill Chain and Diamond Model of Intrusion Analysis.
• Intelligence Platforms: Experience utilizing Threat Intelligence Platforms (TIPs) such as Anomali, ThreatConnect, or MISP.
• Analytical Writing: Strong ability to translate technical findings into concise, non-technical briefings for senior leadership.
• Scripting & Querying: Proficiency with Python or PowerShell for data scraping/automation; familiarity with SPL, KQL, or Elastic DSL for querying large datasets.
• Cloud & Infrastructure: Experience analyzing threats targeting AWS, Azure, O365, and containerized environments.
• Global Landscape Knowledge: Deep understanding of geopolitical trends and how they influence cyber-adversary activity.

ms

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Sr. Information System Security Engineerin our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

*You must have an active TS/SCI Polygraph up front. Unfortunately, no exceptions.*

Leidos has an exciting opportunity for a Sr. Information System Security Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a fast-paced, complex program! Program execution follows DEVOPS best practices and employs robust development, test and production environments. Our team of security engineers support enhancements to system security architecture and cyber security capabilities; manage multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities; and support Security Verification Testing (SVT) of relevant Type 1 devices. The contract provides system engineering, development, test, integration and operational support, and is focused on injecting new technology and adding advanced capabilities while continuing to support an on-going operational system.

You will provide support for adding new capabilities to a complex system with exacting interface, performance and security requirements. You will become part of a team of Security Engineers working on providing improvements to our operational, test, integration, and development systems and solving challenging issues on a large, significant program. The position requires a solid understanding of security practices and policies as well as hands-on vulnerability testing experience.

You will have numerous responsibilities from day to day drawn from a wide array of activities. The strongest candidates will have experience working in these areas:

• Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
• Identifying and implementing appropriate information security architectures and functionality to ensure uniform application of security policy and enterprise solutions.
• Recommending and developing technical solutions, products, and standards based on current and desired system security architecture.
• Assessing and mitigating system security threats and risks throughout the program life cycle.
• Leading and/or contributing to the security planning, assessment, risk analysis, risk management, certification and awareness activities for various system and networking operations.
• Effectively collaborating with other internal technical experts on a day-to-day basis.
• Communicating with Program Managers and POCs from customer organizations when necessary, regarding Security issues of significant importance.
• Participating in Program Increment Planning and related agile team activities.
• Working closely with System Engineering, Test Engineering, and Integration teams to ensure that the hardware and software architecture and implementation meets security requirements.
• Analyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements.
• Evaluating security solutions to ensure they meet customer specified requirements for processing information.
• Evaluating the impact of new development on the operational security posture of the system.
• Evaluating, reviewing, and testing critical software.
• Proposing, assessing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
• Auditing and assessing system security configuration settings using common methodologies and tools.
• Managing and enforcing security strategies and policies that effect various components of geographically distributed systems.
• Providing configuration management for security-relevant information system software.
• Serving as a subject matter expert in security architecture to include providing advice to Program Managers, Customer technical experts, and internal program teams.
• Formulating security compliance requirements for new system features.
• Identifying and remediating security issues throughout the system.
• Supporting risk assessment, risk management, security control assessment, continuous monitoring, service design, and other IA program support functions.
• Working with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors and remediation approaches.
• Planning and conducting security verification testing of relevant type 1 devices.

Basic Qualifications

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline and at least 12 years of relevant experience. Additional experience may be substituted for a degree.
• Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools.
• Must have experience applying Risk Management Framework.
• Must have experience formulating and assessing IT security policy.
• Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.
• Must have experience with secure configurations of commonly used desktop and server operating systems.
• Must be comfortable working on multiple systems and components simultaneously in various configurations.
• Must have strong verbal and written communications skills.
• Must be committed to adopting and adhering to best practices.
• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.
• Must be capable of performing high quality work both independently and with a team in a fast-moving environment.

Preferred Qualifications

• Five (5) years of experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
• DoD 8570 compliance with IASAE Level 2 or 3.
• Information Systems Security Engineering Professional (ISSEP) Certification.
• Computer Information Systems Security Professional (CISSP) Certification.
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
• Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation.
• Experience with penetration testing tools.
• Experience with scripting languages.

careers.leidos.com/CONMD

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CONMD

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced ISSM SME to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, ART Product Teams, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success.

This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes. 

Primary Responsibilities  :

• Serves as the primary liaison between stakeholders and technical teams to ensure a unified understanding of security requirements and address questions or concerns proactively.

• Interprets mission, warfighter, and user needs to ensure security solutions align with program objectives and system requirements.

• Analyzes security-related Service Level Agreements (SLAs), Technical Performance Measures (TPMs), and Key Performance Indicators (KPIs) to support reporting, risk assessment, and service delivery.

• Oversees and prioritizes remediation activities involving NIST Risk Management Framework (RMF) requirements and other security issues to ensure timely resolution.

• Manages and executes security controls and compliance activities across development and operations, strengthening the organization’s overall security posture.

• Lead the team responsible for the ISSMs.

• Establish a centralized ISSM pool to coordinate, review, validate, and approve all activities, which contribute to the assessment and authorization of automated information systems.

• Expected to be able to address anything from physical security matters to information assessments, security tests and evaluations, preparation of Contingency Plans, and administration of Life Cycle Management and Configuration Management documentation.

• Assess the vulnerability of AISs.

• Recommend and implement changes to IT systems in accordance with the DoD directives.

• Function as a technical specialist and assess the risk management security and contingency planning programs.

• Implement measures to protect data from physical destruction or theft.  The contractor ISSM shall ensure that back-up procedures are in place for recovery from loss, destruction of data and program files, or from physical damage.

• Implement SOPs and periodically tests recovery procedures to make sure recovery procedures are operational.

• Develop policy and guidance and establish implementation and oversight plans to ensure compliance with Risk Management requirements.

• Coordinate the review and evaluation of cyber security programs and effectiveness of implementation; identify problem areas; updates and establishes new requirements in response to new technologies and threats; and make recommendations to achieve a fully compliant IT architecture.

• Develop Systems Security Contingency Plans and Disaster Recovery Procedures.

• Develop and implement training and awareness programs to ensure that Advana systems, network, and data users are aware of, understand, and adhere to systems security policies and procedures.

• Basic Qualifications:

• TS/SCI with ability to obtain and keep a CI Poly security clearance

• Bachelor degree (Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems, Computer Engineering, Mathematics or Engineering) or higher from an accredited college or university OR Offerings listed in DoD 8140 Training Repository OR CISSP-ISSMP or GSLC
• Demonstrated experience with:
• 12+ years' experience in the Cybersecurity area
• 10+ years' experience with technology.
• 8+ years' experience with IA technology.
• 5+ years' experience with Risk Management Framework experience.
• 5+ years' of project management work experience.
• Expert knowledge of NIST SP 800-37, CNSSI 1253, FIPS 199 and NIST SP 800-53
• Knowledge of the DoD Risk Assessment Methodology (DRAM) and POAM tracking.
• Expert in RMF and A&A accreditation processes

Preferred Qualifications:

Certifications in Cybersecurity like DOD IA/IAT Level III certification

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

As the largest provider of US government IT services, Leidos develops and sustains large data and technology infrastructures and integrates complex law enforcement IT system for a number of US federal agencies.  At Leidos, we offer engaging careers, a collaborative culture, and support for your career goals and growth.  This role would be serving a federal law enforcement agency in Clarksburg, WV.

Primary Responsibilities:

• Responsible for monitoring operational and development systems, investigating and resolving system user issues reported with these systems with regard to the integration of security architecture & engineering efforts into the information technology life-cycle in an Infrastructure as Code (IaC) cloud-based environment.
• Leveraging knowledge of the deployed IaC, ensures integrated security concepts, controls, and mechanisms deployed into the design and architecture phases to produce a reliably secure product.
• May also assist with the deployment of patching of systems, the engineering, implementation, integration, maintenance and improvement of systems.
• Additional responsibilities include technical Agile work tracking and planning, technical design, development and integration, verification and validation.
• The environment requires monitoring multiple physical and cloud-based sites, and monitoring, supporting users and administering the IaC security, configuring necessary components and software utilizing IaC utilities.

Responsibilities may also include:

• Software change management.
• Possesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks.
• Operates with appreciable latitude in developing methodology and presenting solutions to problems.
• Contributes to deliverables and performance metrics where applicable.
• Works to achieve day-to-day objectives with moderate impact on the area/ project team.
• Works independently on larger, moderately complex projects/assignments.
• May assist other technical staff with tasks and assignments.
• Addresses somewhat complex technical issues/problems using internal best practice and through collaboration with colleagues.
• Develops solutions to technical problems that require depth of technical knowledge, but are typically limited in complexity.

Preferred Experience:

• Infrastructure management: Set up and maintain infrastructure, including servers and cloud systems
• Immutable Infrastructure & AMI Design: Expertise in designing AMIs using automated tools like HashiCorp Packer; specifically incorporating Citrix Virtual Delivery Agent (VDA) installation and optimization into the image build process.
• Process automation: Create and maintain automated processes for testing, deployment, and security
• Automated Image Pipelines: Experience integrating image builds into a CI/CD lifecycle (e.g., GitLab CI) to ensure AMIs are patched, hardened, and updated without manual intervention.
• Configuration Management (Ansible): Experience developing and maintaining Ansible playbooks and roles to automate the configuration of secure, STIG-compliant operating systems.
• Virtualization & Remote Display: Understanding of Citrix infrastructure components and the ability to troubleshoot VDA registration, session latency, and display protocol issues (ICA/HDX) on cloud-hosted instances.
• Communication: Collaborate with development, operations, and other teams to ensure effective communication
• Troubleshooting: Identify and fix issues in production, and monitor system performance
• Product updates: Launch product updates, and create integrations to improve the user experience
• Cybersecurity: Incorporate cybersecurity best practices as directed into processes

Basic Qualifications:

• Bachelor’s degree in Computer Information Systems, Information Systems Management, Cybersecurity, Computer Science, other related discipline, or equivalent experience; Cyber Security and IaC certifications may be considered in lieu of a degree
• 2-4 years of relevant experience
• Ability to work collaboratively and independently to develop creative solutions
• Ability to work well and productively within a small team environment both in-person and remote telework
• Self Starter
• Strong communication skills
• US Citizenship
• DOD Top Secret Clearance is required.

Technologies Desired:

• Terraform
• Ansible
• Kubernetes
• Istio
• AWS: EKS, EC2, S3, RDS, Cloudwatch
• Redis
• Elasticsearch
• Grafana
• Gitlab

Preferred Qualifications:

• Operating Systems: Linux
• Software development tools: Eclipse, Vscode, Gitlab, Jira, Confluence
• Languages/frameworks: Jira
• Source control tools: Gitlab

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Lead Security Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is seeking a Lead Security Engineer to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation.

Join a team where your "greatest work" isn't just a slogan—it’s our daily standard.

• This position is based near Columbia, Maryland, with possible alternative duty locations in San Diego, California, Englewood, Colorado, or Huntsville, Alabama. Relocation assistance may be available for qualified candidates.

The Lead Systems Engineer is responsible for the overall security architecture, ensuring all security requirements are defined, implemented, and verified. She/he oversees all security engineering activities for a complex network environment with geographically distributed systems. The selected individual will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program security requirements. She/he will mentor the team in sound information systems security engineering practices, play a key role in system testing, and work closely with other engineers and technical experts to enhance operational, test, integration, and development environments. Responsibilities include obtaining and maintaining Authorizations to Operate (ATOs) for all System Security Plans (SSPs) and ensuring ongoing compliance with Secure the Enterprise/Secure the Network (STE/STN) requirements.

Primary Responsibilities:

• Serving as a security subject matter expert (SME), providing guidance and oversight for the end-to-end security architecture.
• Engaging with multiple system owners across multiple networks to interpret, negotiate, and refine system and security requirements.
• Defining and driving security strategy, including risk assessment and management, security control assessment, continuous monitoring, service design, and broader cybersecurity program support.
• Identifying and analyzing security issues across complex, highly integrated systems and environments, and develop clear, actionable remediation recommendations.
• Designing, developing, and executing static and dynamic application security testing, as well as penetration testing activities.
• Partnering with development teams to improve understanding of vulnerabilities, attack vectors, and effective remediation techniques.
• Leading and mentoring program security engineers in day-to-day security engineering activities.
• Collaborating with the program security team to ensure STE/STN and continuous monitoring requirements are met for Test, Integration, and Development environments.
• Clearly articulating program security requirements, risks, and compliance challenges to multiple customer points of contact.
• Coordinating with internal cross-functional teams to plan, prioritize, and execute remediation and other security-related activities.

Basic Qualifications:

• Bachelor of Science degree in Information Technology, Information Assurance, or related field, and at least 12 years of relevant experience. Additional experience may be substituted for a degree.
• At least 10 years of experience leading diverse Security Engineering teams including ISSO and ISSE teams.
• At least 5 years of experience working on an Agile program in a leadership role.
• Extensive hands-on experience with modern security tools; hardware and software security implementation; communication protocols; encryption technologies; and web services.
• Current active CISSP certification. * In-depth understanding of security vulnerabilities and remediation techniques, including risk assessment, risk management, and security strategy/design.
• Extensive experience formulating, implementing, and assessing IT security policy.
• Solid understanding of ATOs, SSPs, and STE/STN requirements.
• Direct experience collaborating with software developers, software testers, and integration, deployment, and sustainment teams.
• Strong communication and interpersonal skills, with a proven ability to clearly convey program requirements and system compliance challenges to multiple customer stakeholders.
• Demonstrated ability to coordinate across multiple internal teams for planning and remediation activities.
• Solutions-oriented team player with a high level of self-initiative.

Clearance Required

U.S. Citizenship with an Active or Current TS/SCI with Polygraph required.

Preferred Qualifications:

• Experience working with or in military Satellite Communications (SATCOM) organizations such as United States Air Force (USAF), United States Space Force (USSF), or another Agency.
• Experience working with Public Key Infrastructure (PKI)/ key management programs and technologies.
• Certified Scrum Master certification.
• Experience in performing STIG analysis and remediation.
• At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration tests, anti-virus planning assistance, risk analysis, and incident response.
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration tests, anti-virus planning assistance, risk analysis, and incident response.
• Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security violations.

Primary Responsibilities

The selected candidate will apply experience as an Assessment and Authorization Analyst by evaluating CBP Information Systems being introduced to the environment to determine if they meet the required security standards and are authorized to operate within the CBP network, using the NIST Risk Management Framework (RMF) or similar methodologies

The candidate will be responsible for evaluating key points in the System Lifecycle, such as before its deployment or during major updates. Responsibilities may include creating security documentation (e.g., System Security Plan, Security Assessment Report) and obtaining the final authorization to operate (ATO).The candidate should be able to provide assistance in collecting information and answering questions in regard to many broad IT areas including, but not limited to: security management controls, access controls, provisioning and deprovisioning, transfers, separation of duties, configuration management, contingency planning, application security, business process controls, interface controls, and data management system controls.

The candidate will be responsible for:

• Conducting formal assessments and deciding whether the system is authorized to operate

• Conducting a formal assessment of the system’s security posture

• Evaluating whether security controls meet established standards and are functioning effectively

• Documenting results and making recommendations for improving security

• Recommending whether the system should be authorized to operate based on assessment outcomes

• Ensuring that the system has the necessary security controls to minimize risks

Basic Qualifications

• A minimum of a Bachelor’s degree coupled with 4-8 years’ experience in the Information Technology, Computer Science, IT, Information/Cyber Security field from an accredited college or university arena or Master's Degree with 2 years of relevant experience.

OR

• A minimum of a Bachelor’s degree coupled with 8 years’ experience in the Information Technology, Computer Science, IT, Information/Cyber Security field from an accredited college or university arena or Master's Degree with 6 years of relevant experience.
• Superior writing, communication and critical analysis skills
• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures
• Experience with supporting the delivery of large and complex projects on time and within budget in government organizations
• Minimum of 1-3 years of experience as an ISSO supporting major federal information systems/applications
• Superior writing, communication and critical analysis skills
• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures
• Working knowledge of the following policies: NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05D).
• Must be a US Citizen.

Preferred Qualifications

• Prior experience with CBP

• DoD 8570 IAT III

• CompTIA Certified Advanced Security Practitioner (CASP+)

• ISC2 Certified in Governance, Risk and Compliance Certification (CGRC)

• ISC2 Certified Information Systems Security Professional (CISSP)

• ISACA Certified Information Systems Auditor (CISA).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 16, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Mid-Sr Database Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

This position is based near Columbia, Maryland, with alternative duty locations in San Diego, California, Englewood, Colorado, or Huntsville, Alabama. Relocation assistance may be available for qualified candidates.

Job Summary

Leidos is seeking a Mid-Sr Database Administrator to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation.

Primary Responsibilities:

• Perform daily database administration, monitoring, and troubleshooting of system database and replication issues.
• Monitor database performance and memory allocations using standard tools.
• Perform system updates and Information Assurance Vulnerability Alert (IAVA) patching.
• Troubleshoot and resolve database problems.
• Perform database recovery actions.
• Modify existing database scripts to enhance systems support and create new database scripts for recurring database issues.
• Develop and execute SQL queries for routine and ad hoc requests.
• Transition/ingest legacy data.
• Translate requirements and data into usable database schemas by creating or recreating ad hoc queries, scripts and macros, making updates to existing queries, and creating new queries to manipulate data into a master file.
• Recommend design and implementation practices that optimize the performance of GOTS/COTS databases and applications.
• Assist in the development of database structures that fit into the overall architecture of the system under development.
• Assist in developing databases, database parser software, and database loading software.

Basic Qualifications:

• Bachelor's Degree in a technical discipline and 8 years of related experience. Additional experience may be substituted for a degree.
• Must have at least 8 years of demonstrated experience as a database administrator.
• Must have at least three years of Oracle Database Administration experience.
• Must have experience implementing and maintaining database security.
• Must have experience conducting database performance tuning and monitoring.
• Must have experience troubleshooting and resolving database problems/issues.
• Must have experience installing, configuring, and upgrading RDBMS software.
• Must have experience with procedural languages such as PL/SQL.

Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications:

• Experience working with or in military Satellite Communications (SATCOM) organizations such as United States Air Force (USAF), United States Space Force (USSF), or another Agency.
• Experience working with Public Key Infrastructure (PKI)/ key management programs and technologies.
• Experience with real time highly available data replication technologies such as Oracle Data Guard, Oracle Streams, Oracle Golden Gate, Sybase Replication Server.
• Experience with the Scaled Agile Framework (SAFe) methodology and/or as a member of an Agile team.
• Extensive experience with database design and development.
• Extensive, in-depth understanding of databases, primarily Oracle and/or other relational and non-relational/NoSQL databases such as PostgreSQL and MongoDB.
• Experience using Oracle SQL/PLSQL, and SQL in general.
• Experience with Mongo and/or Cassandra.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The Security Engineer will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to coordinate multiple, concurrent tasks in an effective manner. This individual will work with internal team members to ensure that systems are functional, secure, and scalable. The Security Engineer will support the design and development of cybersecurity tools and technology along with integration of new architectural features into existing infrastructures while maintaining the integrity and security of enterprise-wide systems and networks.

Primary Responsibilities:

• Technical Leadership: Serve as the primary technical authority for CrowdStrike, guiding the team on best practices and technical standards.
• Deployment and Management: Oversee the deployment and maintenance of CrowdStrike agents to ensure full coverage across all endpoints.
• Incident Response: Lead and participate in the investigation and response to security incidents detected by CrowdStrike.
• Threat Hunting: Perform threat hunting, conduct malware analysis, and help refine detection logic in collaboration with the SOC.
• Integrations: Integrate the CrowdStrike platform with other security tools, such as SIEM/SOAR platforms, using scripting languages like Python and PowerShell.
• Mentorship: Mentor and guide junior engineers on technical standards, processes, and procedures.
• Strategy and Compliance: Ensure the endpoint security strategy aligns with enterprise goals and that all solutions meet regulatory and compliance standards.
• Automation: Identify and implement opportunities for automation to streamline security operations.
• Documentation: Maintain up-to-date documentation, standard operating procedures (SOPs), and knowledge base articles.
• Manage multiple assignments, changing priorities, and work independently with little oversight
• Work closely with senior engineers, other team members and application owners to solve technical problems at the network, system and application levels
• Conduct periodic architectural reviews of installed sensors to assess effectiveness and propose optimal installation alternatives as required
• Deploy CrowdStrike Falcon Endpoint Detection and Response (EDR) detection agent up to 4K devices.
• Reduce risk by ensuring coverage of malware detection for in-scope CrowdStrike EDR Agent capable devices.
• Optimization of EDR solution, including refinement data produced, development of automated workflows or playbooks, and integration of the EDR data with Enterprise solutions, including SIEM solutions.
• Configuring CrowdStrike cloud-hosted SaaS Solution, to manage policies, control reporting data, manage, and respond to threats.
• Experience in backend solution, day to day system admin and monitoring, file system management and disk management and creation of shell scripts for the automation of tasks and the extraction of logs
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives

Basic Qualifications:

• BS degree in Science, Technology, Engineering or related field and 12-15 years of prior relevant experience with a focus on cybersecurity OR Masters with 10 years of prior relevant experience.
• Experience leading cross-functional security initiatives and managing small teams or projects.
• Extensive, hands-on experience with the CrowdStrike Falcon platform, including multiple modules (e.g., EDR, FIM, Identity Protection, Data Protection).
• Expertise in endpoint security concepts and incident response processes.
• Proficiency in scripting languages like Python, PowerShell, or Bash for automation and custom response actions.
• Strong knowledge of security frameworks like NIST or MITRE ATT&CK.
• Experience with SIEM integrations and threat analysis.
• Solid understanding of operating systems (Windows, Linux, macOS).
• Superior attention to detail with excellent written and verbal communication skills.
• Excellent problem solving, research, and follow-up skills.
• Self-motivation and ability to work independently.
• Ability to obtain an Entry of Duty (EOD) Public Trust.
• Candidate must, at a minimum, meet one of these certifications: CrowdStrike certifications (e.g., CCFR, CCFP).

Preferred Qualifications:

• Experience automating management tasks with Ansible, Puppet, or Chef
• Experience working with SIEM tools such as Splunk to ingest, normalize, store, and maintain data from endpoint, network, and application sourcetypes.
• Experience working in AWS and Azure
• Experience with Wiz, Sepio, TVM and Nucleus is a plus

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Lead Security Engineer

Leidos has a new and exciting opportunity for a Lead Security Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is seeking a Lead Security Engineer to support a mission-critical program, offering a challenging and rewarding opportunity for a hands-on technical leader in the security domain. The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. The selected individual will mentor the team in sound information systems security engineering practices and will be heavily involved in system testing. The selected candidate will work closely with other engineers and technical experts to enhance operational, test, integration, and development environments. Responsibilities include ensuring and maintaining Authorizations to Operate (ATOs) for all System Security Plans (SSPs), and ensuring compliance with Secure the Enterprise/Secure the Network (STE/STN) requirements.

Primary Responsibilities

• Responsible for the overall security architecture, ensuring all security requirements are defined, implemented, and verified.
• Serve as a security subject matter expert (SME), providing guidance and oversight for the end-to-end security architecture.
• Engage with multiple system owners across multiple networks to interpret, negotiate, and refine system and security requirements.
• Define and drive security strategy, including risk assessment and management, security control assessment, continuous monitoring, service design, and broader cybersecurity program support.
• Identify and analyze security issues across complex, highly integrated systems and environments, and develop clear, actionable remediation recommendations.
• Design, develop, and execute static and dynamic application security testing, as well as penetration testing activities.
• Partner with development teams to improve understanding of vulnerabilities, attack vectors, and effective remediation techniques.
• Lead and mentor a team of program security engineers in day-to-day security engineering activities.
• Collaborate with the program security team to ensure STE/STN and continuous monitoring requirements are met for Test, Integration, and Development environments.
• Clearly articulate program security requirements, risks, and compliance challenges to multiple customer points of contact.
• Coordinate with internal cross-functional teams to plan, prioritize, and execute remediation and other security-related activities.

Required Qualifications

• Master’s degree in Information Technology, Information Assurance, or related field, and at least 15 years of relevant experience. Additional experience may be substituted for a degree.
• At least 10 years of experience leading large, diverse Security Engineering teams, leading ISSO and ISSE teams.
• Current active CISSP certification.
• Certified Scrum Master certification.

• At least 5 years of experience applying Agile methodologies in security engineering projects, including Scrum or SAFe frameworks.

• Extensive hands-on experience with modern security tools; hardware and software security implementation; communication protocols; encryption technologies; and web services.

• Expert-level understanding of security vulnerabilities and remediation techniques, including risk assessment, risk management, and security strategy/design.
• Extensive experience formulating, implementing, and assessing IT security policy.
• Solid understanding of ATOs, SSPs, and STE/STN requirements.
• Direct experience collaborating with software developers, software testers, and integration, deployment, and sustainment teams.
• Strong communication and interpersonal skills, with a proven ability to clearly convey program requirements and system compliance challenges to multiple customer stakeholders.
• Demonstrated ability to coordinate across multiple internal teams for planning and remediation activities.

• Solutions-oriented team player with a high level of self-initiative.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications

• Additional certification: Information System Security Engineering Professional (ISSEP)
• At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration tests, anti-virus planning assistance, risk analysis, and incident response.
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration tests, anti-virus planning assistance, risk analysis, and incident response.
• Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

careers.leidos.com/CONMD

CSSKEY

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 16, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $154,050.00 - $278,475.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking an ISSO Lead to support a wide range of systems engineering, administration, and Cyber security & regulatory compliance services necessary to maintain and secure OPR information technology networks used in the detection and investigations of cybercrimes and CBP policy violations.

Primary Responsibilities:

The candidate shall provide a qualified individual(s) to serve as an Information Systems Security Officer (ISSO) providing cyber security oversight for several major OPR applications and general support systems as assigned by the Government Information Systems Security Manager. The ISSO Lead must be an acknowledged expert concerning current Federal, National, DHS and CBP standards, policies, requirements and procedures and shall provide technical security expertise in planning, coordinating, preparing and authoring security authorization documentation necessary to ensure OPR meets all Federal Information Systems Modernization Act (FISMA) regulatory requirements and DHS 4300-A Sensitive Systems Policy and CBP 1400-05D Information Security Policy.

The ISSO Lead will manage the overall security related policies, procedures, laws and regulations; create, document and implement various security plans and compliance documents to enforce Information Assurance principles. In attaining this goal, the contractor shall support the Government Information Systems Security Manager by performing the following duties:

• Develop, draft, review and endorse all information systems security plans and other security authorization artifacts and documents such as:

• Standards for Security Categorization of Federal Information and Information Systems (FIPS 199) Assessment

• E-Authentication Determination
• Privacy Threshold Determination
• Privacy Impact Assessment (PIA)
• Risk Assessment Plans
• System Security Plans
• Controls Testing (Security Test and Evaluation (ST&E)) Plans
• Configuration/Change Management Plans
• Contingency Plans
• Contingency Plan Test and Test Results
• Section 508 of the Rehabilitation Act plans
• Plans of Actions & Milestones (POA&Ms)
• Policy waiver and risk acceptance requests
• Ensure that assigned systems are operated, maintained, and disposed of in accordance with applicable policies and procedures NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05), and internal CBP (i.e., Office of Information Technology, Security Operations Division, etc.) security policies and practices
• Develop, review, maintain, and provide system security documentation for assigned systems, including System Security Plans, Interconnection Security Agreements, Contingency Plans, Plans of Action and Milestones, (POA&M), Waivers, and Exceptions through the DHS FISMA system management tool in use to implement and manage the NIST Risk Management Framework.
• Complete all activities required by the DHS Ongoing Authorization (OA) Program to transition assigned systems into the DHS OA Program and perform all required actions to maintain system authorization under OA once the system is admitted to the Program
• Assist the Government with the reporting and management of system level security violations and incidents.
• Assist the Government with the technical security evaluation of threats and vulnerabilities involving new/enhanced technology.
• Assist the Government with providing oversight to vulnerability scanning processes and procedures.
• Assist the Government with providing oversight to security patch management/flaw remediation processes and procedures.
• Assist with development of cyber security SOPs, playbooks, work instructions, and other procedures and processes to mature cyber security capabilities.

Basic Qualifications:

• A minimum of a Bachelor’s degree coupled with 8 - 12 years’ experience in the Information Technology arena or Master's Degree with 6+ years of relevant experience.
• Minimum of 5 years of experience as an ISSO supporting major federal information systems/applications
• Knowledge with auditing security controls and financial processes
• Superior writing, communication  and critical analysis skills
• Deep understanding of Information Assurance, Information Technology and Information Management concepts, processes and procedures
• Working knowledge of the following policies: NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05),
• Ability to obtain and maintain a CBP Background Investigation

Preferred Qualifications:

• ISC2 Certified Authorization Professional (CAP) or ISC2 Certified Cloud Security Professional (CCSP) certification or CompTIA Certified Advanced Security Practitioner (CASP+)

Clearance: All CBP SOC employees are required to successfully complete a CBP Background Investigation to support this program

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

PROGRAM SUMMARY:

Our customer is the Defense Information Systems Agency (DISA) and acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided GIG capabilities and services in the 24x7 DISA Global Operations Center (DGOC).   

The Leidos Digital Modernization Sector and Global Solutions Management-Operations II (GSMO-II) have an opening in our TRANSPORT / IP (TRIP) NOC for a TRANSPORT / IP (TRIP) NOC TECHNICIAN at Hill AFB.

Due to contract requirements, US Citizenship is required along with a current clearance.

**Our anticipated salary range for this role is $65,000 - $75,000**

PRIMARY RESPONSIBILITIES:

• Create and update tickets utilizing Remedy.
• Independently triages and manages ticket que in respective technology, and provides feedback and guidance for tickets of concern
• Monitor network events and element management failures in real-time on a 24x7x365 basis across several monitoring tools.
• Incident Correlation and Fault Analysis:Proactively analyze alarms; provide detailed analyses leading to resolution of the alarm conditions, including filtering and correlating fault information; identifying the fault condition and its impacts; isolating root causes; coordinating correction of fault situations regardless of the fault in the infrastructure; Assist in developing and maintaining a centralized, known error database containing defects, failures, causes, and repair actions including workarounds taken to resolve these failures in support of incident and problem resolution.
• Notify necessary points of contacts based on essential or heightened awareness networks, circuits or location of incidents
• Incident Analysis (Fault Isolation): Support the fault isolation process; diagnoses and troubleshoot utilizing procedures to isolate where the fault occurs; identify failed network element(s) i.e. systems, hardware, software, circuits, or facilities; Activities include: testing, fault troubleshooting, fault localization, fault logging and assignment
• Support all customers to include providing global situational awareness support.
• Fault Correction: Correct/replace faulty network elements, coordinating with other service providers as necessary; Verify that service has been restored upon resolution of all customer-initiated tickets
• Network/Service Restoration: Restore networks and service to full operation; Coordinate with other service providers as necessary to track service restoration and meet the DISN SLA and customer negotiated SLAs; Identify failures that are attributable to a different causes and impacts; Conduct reroute and normalization of services and circuits due to outages, degradation, or Authorized Service Interruptions (ASIs); Reroute routine circuits within 24 hours of notification; Documenting reroute in the configuration management database (CMDB); Provide updates on outages from technicians and/or government incident tickets until a resolution or path to resolution is identified and documented in ticket.
• Provide 24/7/365 sustainment support for outages, degradation of services and Tier 1/Tier 2 support
• Provide timely situational awareness to leadership and the impacted community within discovery and ticket creation using approved communication methods as outlined
• works directly with leadership to evaluate and provide feedback for training, standard operating procedures, and tools capabilities.
• Incident Escalation:  Fault escalation, customer coordination and communications, and ticket system updates and status reporting utilizing procedures between Tier I and Tier II; Record, assess, track, and monitor incident tickets escalated to operational infrastructure.
• Demonstrated knowledge of training, standard operating procedures, and tools within O&M: Evaluates and provides feedback for training, standard operating procedures, and tools; Assist in monitoring training Network controllers within O&M; assist in training junior-level Network controllers within O&M; Effectively communicates with the O&M team and the customer; Effectively communicates with the O&M team, the customer and outside leadership to obtain or provide information on significant events or changes within the DISN; Provide technical advice and insight to peers, leadership, other NOCs within O&M, and customers.
• Provide technical advice and insight to peers and customers to assist in resolution of complex issues.
• Demonstrated comprehensive understanding of and ability to apply principles, theories, and concepts of networking and has a broad understanding of other related specialty areas.
• Provide advanced level technical support of the DISN customer.
• Independently works on projects or assignments for future operations within O&M and impacting the DISN
• Resolve multi-layer complex issues that cross several NOC or domain within O&M
• Demonstrate extensive proficiency in specialized functions within the DISN: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching, etc.
• Demonstrate proficiency of several functions within the DISN: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching, etc.

BASIC QUALIFICATIONS:

• Must have DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent) at start date.
• Ability to work in a 24/7 operation.
• Experience with one or more of the following: alarm surveillance, fault management, LAN/WAN maintenance, performance management.
• Advanced Knowledge in four or more of the following: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching.
• General understanding of network topologies, both transport and IP.
• Currently possess an active Secret security clearance and be able to obtain and maintain a Top-Secret security clearance.

PREFERRED QUALIFICATIONS:

•Tech control facility or cyber transport experience
•Circuit actions and vendor experience           
•IP architecture experience
•Telco NOC, inside or outside plant experience.
•Experience with MS Office suite, i.e. Outlook, Excel, Word, Access, PowerPoint, TEAMs
•Experience with one or more of the following: alarm surveillance, fault management, LAN maintenance, performance management, change management.
•Any additional certifications to include: CCNA, CYSA+, CASP, CCNP, JNCIE-ENT, JNCIA-Junos, WCNA, CCIE, F5 Networks Certified Technical Specialist, ITILv4, CCA-N, CCA-V, SolarWinds Certified Professional Program

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $50,700.00 - $91,650.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Defense Sector at Leidos is seeking a motivated and talented Software Engineer to join our team on-site at Eglin AFB, FL, in support of the Joint Staff J6 Joint Assessment Division (JAD). This is an exciting opportunity to contribute to system-of-systems interoperability assessments and advance Combined Joint All Domain Command and Control (CJADC2) data-centricity initiatives. As a JAD Software Engineer, you will work alongside other experienced software engineers, data scientists, and analysts, applying your skills to solve real-world challenges in a dynamic and impactful environment. You will contribute to delivering actionable insights to the Chairman of the Joint Chiefs of Staff, directly enhancing Joint Force capabilities.

Primary Responsibilities:

• Support system engineering life cycle for software and hardware data collection components, including designing, developing, maintaining, testing, and deploying software solutions.
• Write clean, well-documented, and testable code following established coding standards.
• Participate in code reviews and provide constructive feedback to peers.
• Participate in an agile development environment with sprint planning, daily stand-ups, and retrospectives.
• Write documentation, including technical specifications and user guides.
• Design and implement database schemas and develop triggers and queries to support analysis.
• Work on automating processes, creating scripts, and improving efficiency of workflows.
• Proactively identify areas for improvement and suggest innovative solutions.
• Research and explore new technologies and create prototypes to demonstrate their potential.
• Interact with customers and functional peer groups to gain cooperation regarding solution design and approaches to operations.
• Example Project Areas
• Web Development: Building and improving web applications using React for user interfaces.
• Backend Development: Developing and maintaining backend services using C# and MySQL relational databases.
• Specialized Data Parsing & Interpretation: Develop software to parse and interpret data adhering to specific military standards.
• Networking and Data Protocol Interfacing: Design, implement, and test code to interface with different data protocols, such as TCP/IP, HTTP/HTTPS, UDP, gRPC, Serial Communications, and Custom Protocols.
• Desktop application development: Debug or develop new features in standalone Windows desktop applications.

Basic Qualifications:

• US Citizen with at least an active Secret clearance and the ability to obtain and maintain a Top Secret clearance.
• Bachelor's degree with 4+ years of experience or Master's degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
• Strong understanding of fundamental programming concepts and data structures.
• Proficiency in at least one programming language, such as C#, Java, C++, or JavaScript.
• Familiarity with relational databases (e.g., MySQL, Microsoft SQL Server, PostgreSQL).
• Familiarity with version control systems, such as Git.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork skills.
• Ability to learn quickly and adapt to new technologies.
• Current baseline certification meeting IAT-2 (e.g. CompTIA Security+)
• Professional writing and oral presentation skills and Microsoft Office proficiency

Preferred Qualifications:

• US Citizen with an active Top Secret clearance and the ability to maintain that clearance during your employment with Leidos.
• Experience with web development frameworks, such as React, Angular, or Vue.js.
• Experience with cloud platforms, such as AWS, Azure, or GCP.
• Experience with Agile development and software testing methodologies.
• Understanding of networking fundamentals including IP addressing, ports, sockets, and network layers.
• Familiarity with data serialization formats, such as JSON, XML, and Protobuf.
• Experience with data archival and recovery activities
• Some experience with APIs and client/server architecture is beneficial.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Mid-Level System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Leidos is seeking a Mid-Level System Administrator to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation.

Primary Responsibilities:

• Provide full lifecycle system support, including end-to-end integration and deployment activities.
• Support integration of large-scale systems and major system components within a complex, geographically distributed network environment.
• Conduct system and network vulnerability assessments and support the implementation of security best practices and hardening measures.
• Perform hands-on system administration tasks such as deployment of software, vendor firmware, COTS, and FOSS solutions.
• Maintain and enhance internal system functionality and performance, including interoperability with external systems and protection of critical data sets.
• Collaborate closely with cross-functional technical teams (systems, software, test, etc.) in an Agile environment to plan, design, integrate, and deliver system capabilities.
• Administer and support Linux and/or Windows-based components in a large high-performance computing environment.
• Troubleshoot complex hardware and software issues by analyzing packet captures, reviewing event and audit logs, and identifying root causes of abnormal system behavior.
• Support both development and production environments by applying software builds, updating application versions, deploying security patches, and adjusting configuration settings as required.
• Provide support for deployment activities, including software and hardware installation and integration.
• Coordinate with internal Leads to define acceptable outage windows and execute maintenance activities with minimal impact to operations.
• Create and maintain system documentation, including deployment procedures, configuration baselines, and system configuration guides.
• Leverage current automation technologies and scripting to streamline system administration, configuration management, and monitoring tasks.

Basic Qualifications:

• Bachelor’s Degree in Computer Science, Information Systems, Engineering Science, System Engineering, or a related field and at least 8 years of related experience. Additional experience may be substituted for a Degree.
• Must have at least 5 years of experience troubleshooting large complex IT systems, software, servers, and networks.
• Must have experience or strong familiarity regarding virtualization experience via any industry standard hypervisor and/or experience deploying application software including application servers.
• Experience deploying application software, including application servers.
• Must have past or current in-depth experience working on multiple infrastructure networks simultaneously.
• Experience with system analysis, risk analysis, and/or vulnerability assessments.
• Must have experience developing creative solutions to technical issues that arise in real time.
• Must have experience thoroughly tracking and documenting technical issues.
• Must have experience working with Development, Integration, and Production environments before systems deployment.
• Ability to plan and prioritize tasking based on mission and team needs in a fast-moving environment.
• Demonstrated ability to work independently and as part of a team while delivering high-quality results.
• Strong verbal and written communication skills, with the ability to communicate technical information clearly and effectively.
• Ability to work extended hours when necessary to support uptime on high-visibility production systems.
• Ability to travel on occasion to non-hostile locations.

This position is based near Columbia, Maryland, with alternative duty locations in San Diego, California, Englewood, Colorado, or Huntsville, Alabama. Relocation assistance may be available for qualified candidates.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications:

• Systems-of-systems integration and development experience.
• Windows Server 2008, 2012, 2016, 2022 and/or Server Core administration experience.
• Expertise with firewall technologies and configuration best practices.
• Powershell and PowerCLI experience with knowledge of Python or REST APIs.
• Experience with one or more of the following: Wireshark, Microsoft MDT, Centos & Redhat, SALT, Puppet, CHEF, Ansible, iSCSI and Flash SANs, Solarwinds usage and deployment.
• Familiarity with complex network systems, to include firewalls, Load Balancers, NIDS, NAT, PAT, VPC and complex ACLs on multiple hardware architectures including Cisco Nexus and Cisco Catalyst lines.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!

Join our team as a Linux Systems Administrator, where you'll provide crucial support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. You'll manage IT system infrastructure and processes, ensuring the smooth operation of client/server/storage/network devices, mobile devices, and more. Your role will involve configuring and managing UNIX and Windows operating systems, troubleshooting, maintaining network integrity, and enhancing system performance.

This position is eligible for a 10k Sign on Bonus!

Primary Responsibilities:

• Maintain STE/STN Compliance: Ensure systems meet security and compliance standards.
• Account and Access Management: Manage accounts, network rights, and access to systems and equipment, implementing security procedures and tools.
• System Configuration and Management: Configure and manage UNIX and Windows operating systems, install/load software, troubleshoot, maintain network integrity, and implement system enhancements.
• IT Support and Troubleshooting: Provide day-to-day IT support, monitoring, and problem resolution for client/server/storage/network devices and mobile devices.
• User Assistance: Assist users in accessing and using IT systems, providing support for escalated tickets and detailed analysis.
• System Optimization and Capacity Planning: Optimize system operations and resource utilization, perform system capacity analysis and planning.
• Dispatch System and Hardware Support: Support dispatch systems and hardware issues, configure and install system hardware/software, and maintain server and domain security requirements.

Basic Qualifications:

• Experience: Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts of similar scope, type, and complexity.
• Education: Bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelor’s degree bringing the required experience to 20 years.
• Technical Skills: Experience with LINUX, Windows and Virtualization
• Security Clearance: Must have an active Top Secret/SCI with Polygraph

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 19, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos has a new and exciting opportunity for a Senior Information Systems Security Manager (ISSE) in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

This position is based near Columbia, Maryland, with alternative duty locations in San Diego, California, Englewood, Colorado, or Huntsville, Alabama. Relocation assistance may be available for qualified candidates.

Job Summary

Leidos is seeking a Senior Information Systems Security Manager (ISSE) to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation.

Primary Responsibilities:

• Validating and verifying system security requirements and establishing/reviewing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
• Identifying and implementing appropriate information security architectures and functionality to ensure uniform application of security policy and enterprise solutions.
• Recommending and contributing to the development of technical solutions, products, and standards based on current and desired system security architecture.
• Assisting with the evaluation and mitigation of system security threats and risks throughout the program life cycle.
• Contributing to the security planning, assessment, risk analysis, risk management, certification and awareness activities for various system and networking operations.
• Effectively collaborating with other internal technical experts on a day-to-day basis.
• Communicating with program POCs regarding Security issues.
• Participating in program increment planning and related agile team activities.
• Working closely with System Engineering, Test Engineering, and Integration teams to ensure that the hardware and software architecture and implementation meet the security requirements for processing classified information.
• Analyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements.
• Assisting with the evaluation of new development on the operational security posture of the system.
• Evaluating, reviewing, and testing security-critical software and implementing and enforcing information systems security policies, standards, and methodologies.
• Auditing system security configuration settings using common methodologies and tools.
• Enforcing security strategies and policies that affect various components of the geographically distributed systems.
• Assisting with the evaluation of security solutions to ensure they meet customer specified requirements for processing classified information.
• Providing configuration management for security-relevant information system software.
• Evaluating security compliance requirements for new system features.
• Identifying and remediating security issues throughout the system.
• Supporting risk assessment, risk management, security control assessment, continuous monitoring, service design, and other IA program support functions.
• Working with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors and remediation approaches.
• Planning and conducting security verification testing of relevant type 1 devices.

Basic Qualifications:

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline and at least 12 years of relevant experience. Additional experience may be substituted for a Degree.
• Must have experience applying Risk Management Framework.
• Must have experience with IT security policy.
• Must have experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.
• Must have experience with or familiarity with secure configurations of commonly used desktop and server operating systems.
• Must be comfortable working on multiple systems and components simultaneously in various configurations.
• Must have strong verbal and written communications skills.
• Must be committed to adopting and adhering to best practices.
• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.
• Must be capable of performing high quality work both independently and with a team in a fast-moving environment.

Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications:

• Experience working with or in military Satellite Communications (SATCOM) organizations such as United States Air Force (USAF), United States Space Force (USSF), or another Agency.
• Experience working with Public Key Infrastructure (PKI)/ key management programs and technologies.
• Experience in performing STIG analysis and remediation.
• Experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
• Experience with security services management processes (i.e. assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response).
• Experience providing information assurance support for application development.
• Experience with penetration testing tools.
• Experience with scripting languages.
• DoD 8570 compliance with IASAE Level 2 or 3.
• Information Systems Security Engineering Professional (ISSEP) Certification and/or Computer Information Systems Security Professional (CISSP) Certification.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support site setup, permission management, troubleshooting, and service requests for customers as well as content and knowledge managers.  This individual will work in a team environment to ensure mission needs are met and ensure functionality of capabilities of customers.

This role requires an individual that is technical, customer oriented, and familiar with using SharePoint. This individual should be detail oriented in order to capture customer inquiries appropriately. Role requires excellent oral and written communication skills.

Primary Responsibilities

• Interacting with site/collection owners to handle service inquiries and problems.
• Provide implementation, troubleshooting and maintenance of IT systems.
• Rapidly distinguish isolated user problems from enterprise-wide application/system problems.
• Develop solutions for complex problems, update Knowledge Articles and Standard Operating Procedures (SOPs) to reflect changes to the environment.
• Oversee SharePoint projects to include minor and major version upgrades, routine maintenance, and expansion of capabilities to meet emerging requirements.
• Identify methods for direct integration with Identity Management (IdAM) technologies.
• Assist users with manual migrations from older SharePoint versions to SharePoint 2019 or SharePoint Online.
• Manage permissions of new and existing site collections and their associated lists, items etc.
• Manage access to O365/M365 applications based on SharePoint technology such as Microsoft Teams, Microsoft OneDrive, and SharePoint Online.
• Conduct searches and purges of data from operational systems as required by cyber security, legal, compliance, FOIA, and other legitimate sources.
• Manage asset library, risk database, and business rhythm calendar (Leidos best practice) to enhance situational awareness for stakeholders.
• Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
• Provide follow-up reports (technical findings, feedback, resolution steps taken, After Action Report (AAR) etc.) for Root Cause Analysis, engineering technical assessment, and process improvement initiatives.
• Support customer requirements in a 24/7/365 mission environment.
• Update operations and maintenance documentation for 24/7/365 IT Operations Center personnel to assist with after-hours triage and troubleshooting of common SharePoint problems.

Basic Qualifications

• Extensive experience with SharePoint technologies to include SharePoint 2013, 2016, 2019 and SharePoint Online.
• Experience with configuring, installing, and securing SharePoint systems.
• Experience with managing SQL clusters in support of SharePoint farms.
• Experience with patch maintenance for SQL clusters and SharePoint farms.
• Experience with PKI authentication and claims-based authentication.
• Experience with utilizing load balancers such as F5 BigIP Load Traffic Manager or Citrix NetScaler.
• Experience managing M365/O365 cloud offerings such as Microsoft Teams, Microsoft OneDrive, SharePoint Online.
• Extensive experience with patch maintenance for SharePoint farms.
• Experience with routine maintenance processes and willingness to conduct scheduled maintenance during approved maintenance windows.
• Experience with Change Management fundamentals to ensure proper planning, execution, and documentation of changes to the environment.
• Experience with Tier 2 & Tier 3 system administration.
• Experience troubleshooting issues in a growing environment.
• Experience with reviews, incident analysis, and identification of issue trends .
• Time management skills.
• Strong oral and written communications skills.
• Track record of working effectively within a team, and support to peers toward improved processes and results.
• Experience with IT Service Management (ITSM) ticketing systems such as ServiceNow.

Education:

• Candidate must have a Bachelor’s degree with 12-15 years of prior relevant experience, or Master’s degree with 10-13 years of prior relevant experience. May possess a Doctorate in technical domain.

Certifications:

• Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)
• No industry certifications are required for this position, though a relevant certification in VMware, Windows Server Administration or similar technology is beneficial.

Clearance:

• Due to the nature of the government contracts, we support, US Citizenship is required.
• TS/SCI with CI Poly required for Position or TS/SCI and willingness to complete a polygraph.

Preferred Qualifications:

• Familiarity with using Nintex, InfoPath, and/or PowerBI platforms for creating and managing workflows.
• Experience configuring and managing SPPatchify for patch maintenance of large SharePoint farms.
• Microsoft 365 Certified: Administrator Expert or equivalent certification related to SharePoint, Teams, OneDrive and their administration.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support site setup, permission management, troubleshooting, and service requests for customers as well as content and knowledge managers.  This individual will work in a team environment to ensure mission needs are met and ensure functionality of capabilities of customers.

This role requires an individual that is technical, customer oriented, and familiar with using SharePoint. This individual should be detail oriented in order to capture customer inquiries appropriately. Role requires excellent oral and written communication skills.

Primary Responsibilities

• Interacting with site/collection owners to handle service inquiries and problems.
• Provide implementation, troubleshooting and maintenance of IT systems.
• Rapidly distinguish isolated user problems from enterprise-wide application/system problems.
• Develop solutions for complex problems, update Knowledge Articles and Standard Operating Procedures (SOPs) to reflect changes to the environment.
• Oversee SharePoint projects to include minor and major version upgrades, routine maintenance, and expansion of capabilities to meet emerging requirements.
• Identify methods for direct integration with Identity Management (IdAM) technologies.
• Assist users with manual migrations from older SharePoint versions to SharePoint 2019 or SharePoint Online.
• Manage permissions of new and existing site collections and their associated lists, items etc.
• Manage access to O365/M365 applications based on SharePoint technology such as Microsoft Teams, Microsoft OneDrive, and SharePoint Online.
• Conduct searches and purges of data from operational systems as required by cyber security, legal, compliance, FOIA, and other legitimate sources.
• Manage asset library, risk database, and business rhythm calendar (Leidos best practice) to enhance situational awareness for stakeholders.
• Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
• Provide follow-up reports (technical findings, feedback, resolution steps taken, After Action Report (AAR) etc.) for Root Cause Analysis, engineering technical assessment, and process improvement initiatives.
• Support customer requirements in a 24/7/365 mission environment.
• Update operations and maintenance documentation for 24/7/365 IT Operations Center personnel to assist with after-hours triage and troubleshooting of common SharePoint problems.

Basic Qualifications