Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Technical SIGINT SME (TechSIGINT) LeidosTechnical SIGINT SME (TechSIGINT)Pasadena, MD$92,300–$166,850If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. January 6, 2026For 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.
Targeting Officer LeidosTargeting OfficerAldie, VA$116,350–$210,325If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 28, 2026For 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.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredAnnandale, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
Targeting Officer LeidosTargeting OfficerSterling, VA$116,350–$210,325If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 28, 2026For 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.
Targeting Officer LeidosTargeting OfficerLeesburg, VA$116,350–$210,325If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 28, 2026For 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.
Biometrics Analyst LeidosBiometrics AnalystPotomac, MD$73,450–$132,775If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. 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.
Technical Writer TS/SCI Polygraph LeidosTechnical Writer TS/SCI PolygraphAnnapolis Junction, Maryland$82,550–$149,225 / yearOversee the collection, organization, and analysis of technical information, and support the preparation, editing, and revision of a wide range of documentation for complex computer systems and network environments, including user manuals, training materials, installation guides, and other program deliverables. Collaborate closely with software developers, systems engineers, test engineers, and other technical personnel to gather source data, screenshots, and supporting media required for the development of accurate and effective technical documentation.
Senior Exercise Planner - Regional Exercise Lead LeidosSenior Exercise Planner - Regional Exercise LeadArlington, Virginia$82,550–$149,225 / yearOperating globally across aviation security, passenger screening, cybersecurity, and border and port security, ABS integrates next-generation technologies—including AI-driven analytics, advanced threat detection, and command-and-control platforms—to secure the movement of people and goods worldwide by improving situational awareness, accelerating decisions, and strengthening operational outcomes for customers. Leidos is seeking a Senior Exercise Planner to serve as a Regional Exercise Lead for the CISA National Cyber Exercise Program (NCEP), including leading all exercise design, development, planning, conduct, and evaluation as required for their assigned region.
Senior Information System Security Officer LeidosSenior Information System Security OfficerAnnapolis Junction, Maryland$131,300–$237,350 / yearThe 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). 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.).
SMIT Service Desk RDM Tier 2 Technician LeidosSMIT Service Desk RDM Tier 2 TechnicianNorfolk, VirginiaThis team provides Tier I and II technical software, hardware and network problem resolution for clients by performing problem diagnosis and guiding users through step-by-step solutions or may provide expertise to solve first and second tier technical support issues for end-users of the organization's products and services. June 1, 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.
Principal Software Engineer TS/SCI Polygraph LeidosPrincipal Software Engineer TS/SCI PolygraphHanover, Maryland$154,050–$278,475 / yearOur 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. May 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.
Mathematical and Submarine Fleet Liaison Engineer LeidosMathematical and Submarine Fleet Liaison EngineerGroton, Connecticut$107,900–$195,050 / yearThe Mathematical and Fleet Liaison Engineer will be responsible for supporting the principal scientist(s) in the Warfighter Health & Protection Department in the areas of design, development, testing, and evaluation of procedures, guidance, equipment, and systems to enhance human performance in submarine environments. Participate in multi-disciplinary teams conducting test and evaluation, developing, and evaluating procedures for submarine escape and rescue, extending survival on a disabled submarine, submarine medicine and researching thermal protection and regulation in cold and warm water.
Journeyman Data Analyst LeidosJourneyman Data AnalystBethesda, Maryland$73,450–$132,775 / yearJune 2, 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. 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.
Electrical Systems Engineer LeidosElectrical Systems EngineerVista, California$87,100–$157,450 / yearDesign electrical circuits and systems to support development of X-ray equipment including data acquisition systems, X-ray source controls, power supplies and distribution, networks, and integration of COTS devices. Able to see a design through from R&D to production, including writing specifications (system, subsystem, ICD’s, etc), developing design documentation, building prototypes, designing test fixtures, designing for production, and troubleshooting problems.
Military Family Life Counselor - Fairchild AFB, WA LeidosMilitary Family Life Counselor - Fairchild AFB, WASpokane, Washington$55,250–$100,276.69 / yearThe Adult Military and Family Life Counselor (Adult-MFLC) position offers a unique opportunity to serve a vital role, in providing non-medical support, which includes counseling, consultation, and outreach, to service members, military family members and eligible staff. Visually observe, participate, and engage in activities with service members, military spouses and families; provide coaching, guidance and support to installation staff; and model behavior management techniques for staff and military family members.
Paralegal LeidosParalegalWashington, District of ColumbiaMay 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. 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.
Implementations Network Engineer II LeidosImplementations Network Engineer IIShiloh, Illinois$59,150–$106,925 / yearKnowledge of data and voice network design carried over various transmissions systems, router to router connections using military and commercial protocols such as BGP and ISIS, switch-to-switch trunking to include VLANS, and circuit configurations through multiplexers. The Implementations Network Engineer will perform installation oversight, configuration, testing, monitoring, servicing of network equipment and activation of networks for projects supporting the Department of Defense networks.
Avionics Engineering Support LeidosAvionics Engineering SupportBedford, Massachusetts$87,100–$157,450 / yearThe selected candidate will support the integration, testing, sustainment, and modernization of airborne satellite communication and avionics systems across multiple aircraft platforms operating within commercial and military communication environments. The candidate will work closely with cross-functional engineering teams to integrate SATCOM, RF, avionics, networking, and mission systems while supporting system performance, interoperability, and operational readiness requirements.
Sr. Web Application Developer LeidosSr. Web Application DeveloperIndianapolis, Indiana$107,900–$195,050 / yearThe ideal candidate brings 8+ years of experience building scalable web applications, combined with hands-on experience incorporating AI/ML capabilities (e.g., generative AI, APIs, or data-driven models) into production systems. This individual will act as a trusted advisor to clients, shaping technical direction while leading engineering teams to deliver innovative, secure, and high-performing solutions.