Software Engineer Science Applications International CorpSoftware EngineerArlington, VA$120,001–$160,000 / yearDeployment and Automation: Participate in automated deployment processes using AWS-native tooling (CodePipeline, CodeBuild, CloudFormation/CDK) or equivalent IaC frameworks. Software Development: Design, develop, test, and deploy cloud-native web applications using React, Next.js (frontend), and NestJS (backend), following a modular, service-oriented architecture.
Insider Threat Monitoring Analyst Leidos Holdings IncInsider Threat Monitoring AnalystAshburn, VA$107,900–$195,050 / yearThe Department of Homeland Security (DHS), Customs and Border Protection (CBP) Cyber Security Directorate (CSD) 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. As a member of this highly technical digital forensics team supporting U.S. Customs and Border Protection (CBP), you will be responsible for leading user activity monitoring activities, foreign service national monitoring, insider threat analysis, and investigating policy violations, data loss prevention (DLP) events, and sensitive data spillages.
Systems Engineer Leidos Holdings IncSystems EngineerColumbia, MD$107,900–$195,050 / yearThe program supports a complex and evolving mission where experienced cleared professionals operate side-by-side with the customer to architect, integrate, modernize, and optimize systems that directly drive operational outcomes. 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.
Senior Systems Engineer Leidos Holdings IncSenior Systems EngineerGaithersburg, MD$107,900–$195,050 / yearIn this position, you will serve as the dedicated Systems Engineer for an Agile/SAFe development team, partnering closely with Product Owners, architects, software engineers, testers, DevSecOps engineers, and customer stakeholders to define, refine, and validate system capabilities. This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments.
Systems Engineer Leidos Holdings IncSystems EngineerEagan, MN$87,100–$157,450 / yearIn this position, you will serve as the dedicated Systems Engineer for an Agile/SAFe development team, partnering closely with Product Owners, architects, software engineers, testers, DevSecOps engineers, and customer stakeholders to define, refine, and validate system capabilities. This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments.
Satellite Attitude Control Systems Engineer Science Applications International CorpSatellite Attitude Control Systems EngineerChantilly, VAWorking knowledge of control theory, reaction wheel/control moment gyro, star sensor/tracker, inertial reference units/sensors, sun sensor, magnetic torque rod, GPS receiver, and control algorithm development. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Automatic Optical Inspector (AOI) Technician-2nd shift Leidos Holdings IncAutomatic Optical Inspector (AOI) Technician-2nd shiftHuntsville, AL$48,100–$86,950 / yearLeidos' Defense Systems Electronics Manufacturing is seeking an 2nd shift Automatic Optical Inspection (AOI) Technician to join our team that runs Surface Mount Technology (SMT) equipment that produce a variety of Printed Circuit Board Assemblies (PCBA's). 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.
ZDC Air Traffic Control Instructor-II Science Applications International CorpZDC Air Traffic Control Instructor-IILeesburg, VA$56–$62 / hourThe CTS Instructor is a hands-on position that requires the candidate to effectively and consistently deliver the highest quality classroom and/or simulation laboratory training to a wide variety of students including developmental air traffic controllers and Certified Professional Controllers (CPC). We are looking for an experienced, Full-time, Air Traffic Control Instructor-II to join the SAIC Controller Training Solutions (CTS) team at the Washington ARTCC (ZDC), located at Leesburg, VA, supporting air traffic controller training services for the Federal Aviation Administration (FAA).
Information Assurance Analyst Leidos Holdings IncInformation Assurance AnalystHampton, VA$69,550–$125,725 / yearApplicants possessing extensive working knowledge of Risk Management Framework (RMF), Assessment and Authorizations (A&A), Xacta IA Manager and Enterprise Mission Assurance Support Service (eMASS) A&A workflow platforms are highly desired. 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.
GEOINT Program Advisor Leidos Holdings IncGEOINT Program AdvisorHampton, VA$73,450–$132,775 / yearOriginal Posting: June 28, 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.
Flight Dynamicist Leidos Holdings IncFlight DynamicistBeavercreek, OH$107,900–$195,050 / yearThe Advanced Concepts Flight Dynamicist will support modeling and simulation development, conceptual design, and vehicle development of various phases of Missiles, Hypersonic Vehicles, Satellites, and other Space Vehicles. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support.
Senior Acquisition Specialist Science Applications International CorpSenior Acquisition SpecialistChantilly, VAYou will also bridge the gap between technical innovation and acquisition processes, and strategic planning while effectively communicating with the Program office, SETAs, and the Contracting Office to facilitate successful project outcomes while maintaining procurement integrity and fiscal responsibility. As the Senior Acquisition Specialist, you will assist the Program Office in administering contracts throughout the complete end-to-end life cycle, ensuring compliance with federal acquisition regulations and collaborating with technical teams to translate research objectives into clear contractual language.
Intelligence Analyst Leidos Holdings IncIntelligence AnalystHampton, VA$59,150–$106,925 / yearWe're seeking a Junior and Mid Level Multi-Intelligence Surveillance and Reconnaissance (ISR) All-Source Analysts to join the Leidos Defense Sector for future and upcoming roles at Langley Air Force Base. Assist with long- and short-term analysis, focusing on Air Operation Center (AOC) mission planning, ISR operations, and assessments of foreign military capabilities and defense issues.
Weapons and Tactics Analyst Leidos Holdings IncWeapons and Tactics AnalystHampton, VA$73,450–$132,775 / yearThey will help align training and exercise designed learning objectives (DLO) with operational mission initiatives; participate in Headquarters Air Combat Command-led exercise planning and execution; and capture lessons learned. 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.
Satellite Requirements Systems Engineer Science Applications International CorpSatellite Requirements Systems EngineerChantilly, VA$120,001–$160,000 / yearBS in Aerospace/Mechanical/Systems Engineering, or similar technical discipline and 9 years or more experience; Masters and 7 or PhD and 4. 7+years of experience working on satellite programs and experience managing requirement development, analysis, decomposition, and allocation. Key duties/responsibilities include, but are not limited to: Directly support ESPO as the office responsible for the design, development, manufacturing, integration & test, and launch & initialization of Electro-Optical satellites for the NRO.
Cloud Integration Engineer Science Applications International CorpCloud Integration EngineerChantilly, VA$160,001–$200,000 / yearYou will drive cloud modernization efforts, provide unbiased technical assessments, support integration of mission‑critical hosting and processing capabilities, and help accelerate the adoption of containerized services and automated delivery pipelines. Contribute to the development or assessment of CONOPS, requirements documents, test plans, SOWs, systems engineering plans, and other Government staff work (e.g., action items, weekly reports, senior‑leadership briefings, acquisition artifacts, and source‑selection materials).
Software Engineer TS/SCI Polygraph Leidos Holdings IncSoftware Engineer TS/SCI PolygraphAnnapolis Junction, MD$57,850–$104,575 / yearYou will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Technical Intern Science Applications International CorpTechnical InternFort Sam Houston, TXBy providing the information below and checking the boxes referenced, you acknowledge and consent to SAIC''s Privacy Policy to include access and use of your information for the purposes of sharing your information for possible employment recruitment effects by SAIC and it''s third party vendors. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
JATO EA-18G Fleet Liason Science Applications International CorpJATO EA-18G Fleet LiasonOak Harbor, WA$120,001–$160,000 / yearBy providing the information below and checking the boxes referenced, you acknowledge and consent to SAIC''s Privacy Policy to include access and use of your information for the purposes of sharing your information for possible employment recruitment effects by SAIC and it''s third party vendors. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
JATO EA-18G Fleet Liason Science Applications International CorpJATO EA-18G Fleet LiasonFallon, NVBy providing the information below and checking the boxes referenced, you acknowledge and consent to SAIC''s Privacy Policy to include access and use of your information for the purposes of sharing your information for possible employment recruitment effects by SAIC and it''s third party vendors. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.