• Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS /SCI clearance to support our ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/15/25)
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  • Senior Software Engineer - Full…

    General Dynamics Information Technology (Hanover, MD)
    …receive an additional 5 days of PTO for TS /SCI with Poly** Job Description Software Engineer Sr Advisor Deliver simple solutions to complex problems as a ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Software Engineer Sr Advisor at GDIT. Here,… more
    General Dynamics Information Technology (11/19/25)
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  • Systems Integration Engineer Stf…

    Lockheed Martin (Colorado Springs, CO)
    …hosts Please Note: \-This position requires a DoD government security clearance at the Top Secret level prior to starting\. \-The role may involve approximately ... role\. You are experienced in building and administering integrated software systems , collaborate well with others, and...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/05/25)
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  • Software Engineer ( TS /SCI…

    Parsons Corporation (Fort George G Meade, MD)
    …Unleash your talent and redefine what's possible. **Job Description:** We are seeking a ** Software Engineer 1** to join the software development team who ... to improve its performance + Design, develop and modify software systems , using scientific analysis and mathematical...SCI w/ poly required **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (12/02/25)
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  • TS /SCI High Band System Software

    Insight Global (Beale AFB, CA)
    …to join their team at Beale AFB, CA. In this role, this High-Band System Software Support Engineer will be responsible for ensuring the optimal performance of IT ... hardware and software infrastructure, including servers, networks, and security systems...possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is… more
    Insight Global (11/01/25)
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  • TS /SCI Low Band System Software

    Insight Global (Hampton, VA)
    Job Description A government client of Insight Global is seeking a Low-Band System Software Support Engineer to join their team at Langley AFB, VA. We are ... looking for a Low-Band support engineer that has COMINT (communications intelligence), and DCGS (Distributed...possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is… more
    Insight Global (11/01/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …SCI \(adjudicated or eligibility\) is required for consideration\. * Top Secret security clearance with adjudicated SCI \(i\.e\. TS /SCI\) is required prior ... and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling spacecraft … more
    Lockheed Martin (11/20/25)
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  • Network Engineer Senior - TS /SCI…

    General Dynamics Information Technology (Charlottesville, VA)
    …RQ208387 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... of related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior - TS /SCI required** Make meaningful contributions that… more
    General Dynamics Information Technology (10/11/25)
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  • IT Cloud Systems Engineer

    General Dynamics Information Technology (Bethesda, MD)
    …RQ207439 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... to make a personal impact as an IT Cloud Systems Engineer supporting customer activities. GDIT is... WILL MAKE AN IMPACT** + Participation in iterative software development teams with adherence to all reporting requirements.… more
    General Dynamics Information Technology (09/26/25)
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  • Manager, Info Security Systems

    L3Harris (Broomfield, CO)
    …and cyber domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer TS /SCI - Boulder, CO Job Code: 31261 Job Location: ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph… more
    L3Harris (11/15/25)
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