• Systems Engineer III

    Sierra Nevada Company, LLC (Herndon, VA)
    …and decomposition of requirements **Qualifications We Prefer:** + **Ability to obtain a Top Secret with SCI eligibility US Security Clearance** + Understanding ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (04/29/25)
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  • System Engineer Staff, SPACE - Clearance…

    Lockheed Martin (Herndon, VA)
    …seeking a System Engineer to participate in the design, development, test and maintenance of complex mission application software and database applications ... a Domain/Subject Matter Expert in the Mission Management domain\. As a System Engineer you will: * Establish system architecture and CONOPS, perform system level… more
    Lockheed Martin (04/18/25)
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  • Test Engineer

    ManTech (Stafford, VA)
    ManTech seeks a Test Engineer to help support our current Marine Corps Systems Command, Program Manager Intelligence & Cyber Operations Contract in Stafford, VA. ... in Change Review Board/Configuration Control Board activities + Develop and maintain test environments, including hardware, software , and simulated systems, to… more
    ManTech (04/28/25)
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  • Software Engineer , Python and Shell…

    Acclaim Technical Services (Chantilly, VA)
    …among DC area firms and continues to grow. We are actively hiring a Systems / Software Engineer with TS /SCI clearance and polygraph to join our Mission ... in Chantilly, VA developing cutting-edge mobile technologies. RESPONSIBILITIES The Systems / Software Engineer will be responsible for overseeing the full… more
    Acclaim Technical Services (03/26/25)
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  • Sr. System Safety Engineer

    RTX Corporation (Sterling, VA)
    …Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** **Security Clearance:** Top Secret - Current At **Raytheon** , the foundation of ... and techniques to provide clarification of system requirements to software , hardware, and test personnel to ensure...Engineering. + Active and transferrable final US government issued Top Secret security clearance is required prior… more
    RTX Corporation (04/23/25)
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  • Mechanical Engineer

    Nightwing (Springfield, VA)
    …staff. **Responsibilities and Required Skills:** + **Candidate must be eligible for a Top Secret /SCI security clearance** + Minimum five (5) years' prior ... tools and general construction practices **Desired Skills:** + Possess an active Top Secret /SCI security clearance + Prior experience with fabrication and… more
    Nightwing (03/22/25)
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  • Electronics Engineer

    Parsons Corporation (Chantilly, VA)
    …is required. + Bachelors and 5+ years experience. + Must have a current/active Top Secret Full Scope Polygraph Clearance. + Proficiency in electronic circuits, ... + **Debugging:** Communicate with design engineers and integration and test engineers to debug hardware and software ...and independently when required. **Minimum Clearance Required to Start:** Top Secret SCI w/Polygraph This position is… more
    Parsons Corporation (03/06/25)
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  • Experienced Software Developer…

    CACI International (Sterling, VA)
    Experienced Software Developer / Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... Anticipated Posting End: 5/31/2025 CACI is seeking an experienced Software Developer to join a multidisciplined team to work...Sterling, VA or Aurora, CO * Clearance: Must have TS /SCI with poly (or be willing to take a… more
    CACI International (04/24/25)
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  • Cleared Tracking Engineer - Global…

    General Atomics (Chantilly, VA)
    …substitute equivalent experience in lieu of education. + Ability to transfer and maintain a Top Secret security clearance with SCI eligibility and a CI poly is ... on the ground. Our rapidly growing suite of federal software solutions are used by thousands of intelligence analysts...**US Citizenship Required?** Yes **Clearance Required?** Yes **Clearance Level** Top Secret (current SCI access with CI… more
    General Atomics (04/08/25)
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  • Senior Front End Software Developer/…

    CACI International (Sterling, VA)
    Senior Front End Software Developer/ Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: ... cloud native technologies following an extreme agile continuous deployment software development framework. **The Opportunity:** As a senior developer...Sterling, VA or Aurora, CO + Clearance: Must have TS /SCI with CI poly (or be willing to take… more
    CACI International (03/26/25)
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