• Linux Engineer (TS/SCI with Polygraph…

    General Dynamics Information Technology (Warrenton, VA)
    …Administration,Scripting,Security Clearances **Experience:** 8 + years of related experience ** US Citizenship Required:** Yes **Job Description:** The ... or work/military experience + Minimum eight (8) years of related Systems and Linux Engineering experience **REQUIRED KNOWLEDGE/SKILLS** + Install, configure, secure… more
    General Dynamics Information Technology (10/03/25)
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  • Specialist, Field Test Engineer

    L3Harris (Ashburn, VA)
    …+ Active US DOD TOP SECRET security clearance which requires US Citizenship . Onboarding is contingent upon clearance received/approved. + Ability to ... providing technical support for various efforts involving ground support systems , aircraft systems and flight testing. This...8 years of prior related experience . + Active US DOD TOP SECRET or TS/SCI security clearance. Onboarding… more
    L3Harris (09/18/25)
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  • Software Engineer II

    Sierra Nevada Company, LLC (Herndon, VA)
    SNC can only hire in these states : AL, AK, AZ, CA, CO, FL, GA,...the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship ... Do you enjoy developing new products and services? Join us ! Our Software Engineers work in an agile, collective...very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Software Test Engineer

    Lockheed Martin (Herndon, VA)
    …and must meet eligibility requirements for access to classified information, including US Citizenship \. Applicant currently must possess a TS/SCI with Poly ... the workforce to fuel the next generation\. And we're reimagining how space can connect us , ensuring security and prosperity\. Join us in shaping a new era in… more
    Lockheed Martin (10/02/25)
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  • Senior Research Engineer , Advanced…

    Lockheed Martin (Arlington, VA)
    …competencies for Lockheed Martin for development of Trusted\-by\-Design Intelligent Systems \. TIL technology focus areas include Neuro\-Symbolic and Generative AI, ... simulation, test, verification, validation, and certification of autonomous and AI\-enabled systems across air, land, sea, space and cyber domains\. \*\*\* This… more
    Lockheed Martin (09/25/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    …and non-technical stakeholders. **Qualifications** **Required Clearance:** + Active TS/SCI. + US citizenship . **Required Education:** + Bachelors in Engineering, ... / studies to assess performance, trade-offs, and impacts of systems or technology within defense or military areas. +...are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston,… more
    SAIC (08/22/25)
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  • Staff Mechanical - Structural Engineer

    Applied Research Associates, Inc. (Arlington, VA)
    …Engineering and 5+ years of experience in facility design or structural engineering. + US Citizenship with the ability to obtain clearance. + Proven experience ... requirements, optimizing the integration of structural, mechanical, and process systems . + Work closely with chemical and process design...to the nature of work performed, candidates must be US citizens eligible for a Department of Defense Secret,… more
    Applied Research Associates, Inc. (09/01/25)
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  • Senior Hardware Engineer

    Huntington Ingalls Industries (Roanoke, VA)
    …field; or High School Diploma or equivalent and 13 years relevant experience. US Citizenship Willingness to obtain a Top-Secret security clearance Degree in ... targets include embedded processors, DSPs, filters, transceivers, data links, systems -on-chip, and decoders. Experience in the cybersecurity, electronic warfare,… more
    Huntington Ingalls Industries (07/09/25)
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  • Equipment Engineer 2

    Micron Technology, Inc. (Manassas, VA)
    …learn, communicate and advance faster than ever. Utilize advanced automation systems to drive high-volume manufacturing, supporting new tool installations and ... minimize human and machine-induced errors. Leverage engineering expertise across mechanical systems and subsystems to identify root causes of failures and implement… more
    Micron Technology, Inc. (10/02/25)
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  • System Engineer / IT Manager

    Serco (Herndon, VA)
    …and maintain a DoD Secret Security Clearance which requires US Citizenship . + Bachelor's degree Computer Science, Information Systems , or Cybersecurity. + ... At least seven (7) years' experience in US DoD IT infrastructure management with relevant experience within...the job description listed above. + Active Certified Information Systems Security Professional (CISSP) Certification or in the process… more
    Serco (09/12/25)
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