Senior Software Engineer (SWE-3) LeidosSenior Software Engineer (SWE-3)MarylandThe software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus : Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture.
Senior Software Engineer (SEG3) Decision TechnologiesSenior Software Engineer (SEG3)WashingtonCompensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval centric areas like Norfolk, VA and San Diego, CA.
EDP Cloud Engineer The Squires GroupEDP Cloud EngineerWashington, DCIn this role you will work closely with platform, cloud infrastructure, security, and application teams to maintain and automate cloud infrastructure, monitor platform health, troubleshoot issues, and support secure EDP capabilities while developing and expanding cloud engineering expertise. Provision, configure, and maintain AWS infrastructure components that support EDP environments, including networking, compute, storage, identity and access management, and logging/monitoring services.
Long Range Networked Fires Engineer Johns Hopkins Applied Physics LaboratoryLong Range Networked Fires EngineerLaurel, MarylandFull timeAs a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.
NewAntenna Systems Engineer Johns Hopkins Applied Physics LaboratoryAntenna Systems EngineerLaurel, MarylandFull timeAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
New2027 Graduate - Wireless Communications and Networked Systems Engineer Johns Hopkins Applied Physics Laboratory2027 Graduate - Wireless Communications and Networked Systems EngineerLaurel, MarylandFull timeWork with technologies that may include, wired, wireless (RF & optical) links, line-of-sight (LOS) and beyond-line-of-sight (BLOS)/Satellite communication links, IP networking, RF systems, protocols, software defined radio (SDR), 5G (and beyond) cellular. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
NewSystems Security Engineer Booz Allen HamiltonSystems Security EngineerUsa, MarylandOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. We need your experience to develop and implement security solutions that will safeguard mission-critical systems from cyber threats, ensuring they can operate securely and confidently in contested environments across all domains.
Storage Engineer Eliassen GroupStorage EngineerWashington, District of Columbia$30–$35 / hourFor nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. About Eliassen Group:Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions.
Senior Systems Integration Engineer LufCoSenior Systems Integration EngineerAnnapolis Junction, MD$200,000–$230,000The ideal candidate brings hands-on experience with RHEL administration, AWS infrastructure, scripting (Bash/Python), and Ansible automation, along with demonstrated experience in system hardening and integration of secure, repeatable environments. This role focuses on Linux system integration, AWS cloud engineering, automation, and secure system deployment across hybrid and on-prem/cloud infrastructures.
Systems Test Engineer LeidosSystems Test EngineerOdenton, MarylandUnder the leadership of the Commander, U.S. Strategic Command (USSTRATCOM), the team leverages subject matter expertise and best practices to transform mission and operational requirements into effective solutions and capabilities. Engineer Automated Solutions – Design, develop, and integrate automated testing capabilities, methodologies, and analysis tools (GOTS/COTS) to enable continuous end-to-end assessment of system performance and security.
NewSoftware Engineer I Reflexive ConceptsSoftware Engineer IAnnapolis Junction, MarylandBachelor’s degree in Computer Science or related discipline from an accredited college or university Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree. Specifically, we are looking for a candidate with strong Java development experience to support the Digital Network Analytics (DNA) mission.
NewPrincipal Systems Engineer LeidosPrincipal Systems EngineerFort Meade, MarylandLeidos is seeking a Principal Systems Engineer to lead the analysis of user requirements, CONOPS, and system architectures to design and deliver scalable solutions across Linux server environments, containerized platforms, and NexGen architectures. Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline Five (5) years of additional Systems Engineering experience may be substituted for a bachelor's degree.
NewSr. Manual Test Engineer TS/SCI Poly LeidosSr. Manual Test Engineer TS/SCI PolyAnnapolis Junction, MarylandMust have experience participating in formal test events (Acceptance Test, User Acceptance Test, Software Final Release Test, Maintenance Release Test, etc.); demonstrated experience developing and executing formal system tests to verify compliance with customer requirements; experience collaborating with software developers to create formal test procedures. The selected candidate will perform component, integration, and system level testing by writing and executing system-level test procedures, evaluating changes made to software applications, and verifying defect corrective actions discovered during development, testing, and/or operational use.
Senior Linux Systems Engineer Johns Hopkins Applied Physics LaboratorySenior Linux Systems EngineerLaurel, MarylandFull timeAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. You will troubleshoot Linux Servers and Workstations, performing root cause analysis, modifying configurations, diagnosing network and storage issues, scripting, and other tasks as needed.
RF Design Engineer Johns Hopkins Applied Physics LaboratoryRF Design EngineerLaurel, MarylandFull timeAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. As a member of our team, you will be responsible for designing, testing, demonstrating, and delivering RF antennas and sensors as well as associated RF circuits, for systems that function throughout the electromagnetic spectrum.
DevOps Engineers - Poly required LeidosDevOps Engineers - Poly requiredAnnapolis Junction, MarylandMay 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. 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.
DevOps Engineer 25k Sign on Bonus LeidosDevOps Engineer 25k Sign on BonusAnnapolis Junction, MarylandJune 15, 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.
Software Reverse Engineer LeidosSoftware Reverse EngineerColumbia, MarylandMarch 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. It's the kind of job where you get to poke holes in real systems and look for things that make you stop and go "huh, that's weird…" This role will go from initial analysis of target systems all the way up to testing for reliability for mission-critical scenarios.
Software Test Engineer TS/SCI Polygraph LeidosSoftware Test Engineer TS/SCI PolygraphHanover, MarylandOur ideal candidate will design, execute, and document manuals and automated tests; develop test cases and automation frameworks; identify and track defects; analyze performance and system behavior; and perform continuous functional, integration, acceptance, and regression testing to ensure quality and backward compatibility. May 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.
Integrated Fires Engineer Johns Hopkins Applied Physics LaboratoryIntegrated Fires EngineerLaurel, MarylandFull timeHave experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain development and analysis, integrated fire control concepts. As a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective Joint, Integrated, Theatre level defense across all operational warfighting domains (Land, Sea, Air, Space).