• Darpa SETA Surface and Subsurface Engineer

    Amentum (Arlington, VA)
    …engineering processes and procedures. + Must be able to obtain and maintain a Secret and TS /SCI US Government Clearance.Note: US Citizenship is required to ... and program management support services to some of the top agencies in the US government, including the Defense...obtain a Secret and TS /SCI Clearance **Desired Qualifications:** +… more
    Amentum (12/10/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (01/07/26)
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  • O&M Network Engineer (Technical Specialist…

    M. C. Dean (Springfield, VA)
    …eligibility requirements, including US Citizenship, for access to classified information; ** Top Secret with SCI eligibility required** **Position / Candidate ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (12/27/25)
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  • Communications / Network Engineer

    Intrepid Solutions and Services (Alexandria, VA)
    **Overview** Intrepid Solutions has a need for a Communications / Network Engineer to support our US Army TENCAP client as theyenable the Army to rapidly exploit and ... and architecturesin Alexandria, VA. **Responsibilities** The Communications / Network Engineer shall provide technical guidance, documentation, and oversight of the… more
    Intrepid Solutions and Services (11/25/25)
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  • Sr Engineer - Federal

    Lumen (Herndon, VA)
    …division multiplexing + **Candidate must be a US Citizen with an active TOP SECRET /SCI Level clearance** Preferred Qualifications + Bachelor's degree and/or ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...validation. As a technical and hands-on position, the Senior Engineer will be responsible for systems in… more
    Lumen (01/17/26)
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  • Senior Engineer

    Applied Research Associates, Inc. (Alexandria, VA)
    …from an accredited institution + 10+ years of relevant experience + Current DoW TOP SECRET clearance with SCI eligibility + Experience with one or more ... Applied Research Associates, Inc. (ARA) is seeking to contingently hire a **Senior Engineer ** for ARA's effort supporting the Assistant Secretary of War for Critical… more
    Applied Research Associates, Inc. (11/26/25)
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  • Modeling & Simulation Engineer (Specialist)

    KBR (Reston, VA)
    …+ Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) eligibility Desired: + ... Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow. with KBR! KBR's...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (10/24/25)
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  • Project Engineer - Acquisitions

    Noblis (Chantilly, VA)
    …external mission partners, and other DoD/IC customers. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US ... Responsibilities Noblis ESI is seeking an experienced **Project Engineer - Acquisitions** with a national space enterprise and ground systems acquisition… more
    Noblis (12/04/25)
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  • CAD Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …experience. + 3+ years of experience in modeling and simulation for aerospace or space systems . + Active Top Secret /SCI w/Poly Clearance. + Proficiency with ... **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to support a government customer. **The successful candidate will:**… more
    SAIC (10/24/25)
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  • Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …+ 3+ years of experience in modeling and simulation for aerospace or space systems . + Active Top Secret /SCI w/Poly Clearance. + Strong understanding ... **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer in Chantilly, VA. The successful candidate will: + Develop and maintain… more
    SAIC (10/22/25)
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