• System Testing Engineer (Ssee)

    Scientific Research Corporation (Charleston, SC)
    …WILL REQUIRE US CITIZENSHIP AS WELL AS A US GOVERNMENT SECURITY CLEARANCE AT THE TOP SECRET / SCI LEVEL WITH CI POLY ELIGIBILITY Travel Requirements + Up ... documentation #LI-LL1 Requirements + Must possess an active DoD TS / SCI clearance + A minimum...experience with best test practices, including formal, requirements-based testing Clearance Information SRC IS A CONTRACTOR FOR… more
    Scientific Research Corporation (12/23/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... **Required Skills:** To succeed in this role, you will need: + ** Clearance :** Active TS / SCI clearance with Polygraph is required. + **Education:**… more
    Parsons Corporation (12/20/25)
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  • Mechanical Engineer - Thermal Engineering Lead

    Lockheed Martin (Littleton, CO)
    …numerical solution tools \(e\.g\., Thermal Desktop, SINDA, NX Thermal\) * Active Top Secret or SCI Security Clearance **Desired Skills:** * 15\+ years of ... you must be a US Citizen for consideration\. ** Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (12/20/25)
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  • Space Integration Specialist

    Parsons Corporation (Springfield, VA)
    …to provide recommendations to senior leadership **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for ... :** + Candidate must be a US Citizen + Candidate must have an **ACTIVE** TS / SCI Clearance and be able to obtain/maintain a CI Polygraph **Required Skills… more
    Parsons Corporation (12/05/25)
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  • Traffic & Shipping Supervisor

    Lockheed Martin (Sunnyvale, CA)
    …and DTS shipments, including documentation, compliance, and coordination\. ** Clearance Level:** TS / SCI w/Poly SP **Other Important Information You Should ... : U\.S\. citizenship required; ability to obtain a DoD Top Secret clearance with the...clearance with the potential to qualify for an SCI clearance and polygraph\. **Desired Skills:** Production… more
    Lockheed Martin (11/26/25)
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  • Ballistic Missile Defense Commander (Bmdo/BMD/U)

    THOR Solutions, LLC (San Diego, CA)
    … Top Security Clearance Required: This position requires an existing DoD TOP SECRET / SCI security clearance . A qualified candidate must already ... possess an active or interim TS / SCI clearance . Typical Knowledge, Skills,...least five (5) years of experience with Tactical Data Information Link generation systems supporting LOS Link 11(A) /16(J),… more
    THOR Solutions, LLC (11/26/25)
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  • Analytic Facilitator

    SOS International LLC (Tampa, FL)
    Tampa, FL, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret / SCI **Company Description** Founded in 1989, SOSi is among the largest ... Integrated Database (or follow-on system). **Qualifications** Minimum Requirements + Active In-Scope TS / SCI Clearance . Preferred Qualifications + Minimum 12… more
    SOS International LLC (11/21/25)
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  • Skillbridge Fellowship - SIGINT Sensor Resource…

    RTX Corporation (Beale AFB, CA)
    …Ability to work collaboratively and effectively within a distributed team environment. + Security Clearance : Top Secret / SCI required to start, with ... citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI - Current Raytheon Company Managed by… more
    RTX Corporation (11/21/25)
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  • Software Engineering Manager

    CACI International (Melbourne, FL)
    Software Engineering Manager Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage ... met Qualifications: **Required:** + Active Top Security clearance + Ability to obtain SCI security...Experience with containerization technologies (eg, Docker, Kubernetes). + Active TS / SCI Clearance - ** **… more
    CACI International (11/18/25)
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  • Project Engineer

    Lockheed Martin (Littleton, CO)
    …with LM400 product and platform \- Must be a US Citizen\. DoD Top Secret with SCI clearance is required prior to start\. **Desired Skills:** \- ... , you must be a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (11/12/25)
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