• Systems Engineer Level 1

    Guidehouse (Fort Meade, MD)
    …Family** **:** Systems Engineering **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI with Polygraph **What You Will Do:** ... of system engineering management plans and system integration and test plans. Interacts with the Government regarding Systems Engineering...**What You Will Need:** + An ACTIVE and MAINTAINED TS / SCI Federal or DoD security more
    Guidehouse (12/12/25)
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  • Senior WMD Analyst - Mission Support

    SOS International LLC (Fort Belvoir, VA)
    Fort Belvoir, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret / SCI **Company Description** Founded in 1989, SOSi is among the largest ... 3+ years of experience supporting finished intelligence analysis. + Active DoD TS / SCI clearance with Counterintelligence Poly. + Proficient in conducting… more
    SOS International LLC (11/21/25)
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  • Software Developer - User Interface (UI) Multiple…

    Noblis (Reston, VA)
    …Expert knowledge of python + Proficient developing standards-based REST or GraphQL APIs + Top Secret with SCI and Polygraph level Overview Noblis ... and subject matter experts (SMEs) to design, develop, and test software applications. You will be asked to analyze...is required. + Ability to obtain and maintain a TS / SCI with Polygraph + Proficient in at… more
    Noblis (01/13/26)
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  • Systems Engineer

    SOS International LLC (Annapolis Junction, MD)
    Annapolis Junction, MD, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret / SCI w/ CI Poly **Company Description** Founded in 1989, SOSi is ... tests for line and supervisory personnel. **Qualifications** Minimum Requirements + Active in-scope TS / SCI with Cl Polygraph. + 5 years of experience in systems… more
    SOS International LLC (12/11/25)
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  • Software Engineer - Clearance Required

    Lockheed Martin (Hanover, MD)
    …software engineering experience may be substituted for a bachelor's degree\. * Current DoD Top Secret SCI with Polygraph\. * Minimum Fifteen \(15\) years ... to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks...Kubernetes \- Rabbit MQ \- TomCat Admin **Clearance Level:** TS / SCI w/Poly SP **Other Important Information more
    Lockheed Martin (12/10/25)
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  • System Engineer

    Kratos Defense & Security Solutions, Inc. (Herndon, VA)
    …services, and components for specific products. Tasks include design, develop, test , validate security and policy compliance, debug, document, deploy, ... Job Descriptions: Ready for What's Next? Kratos Defense & Security Solutions develops and fields transformative, affordable technology, platforms,...and years of directly related experience) + An active TS / SCI with a full Poly + Solid… more
    Kratos Defense & Security Solutions, Inc. (12/06/25)
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  • Network Engineer

    Leidos (Odenton, MD)
    …and requires **U.S citizenship with an active Top Secret / SCI .** **Primary Responsibilities:** + Network integration, testing, security engineering, and ... written and oral communication and problem-solving skills + Active DoD clearance at the Top - Secret / SCI level + Security + Certification or other DOD… more
    Leidos (12/10/25)
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  • Innovative DOD Software Acquisition Reform Lead,…

    The MITRE Corporation (Mclean, VA)
    …obtain and maintain a DoD Top Secret clearance with access to Secure Compartmented Information ( TS / SCI ). + Bachelor's degree or higher in an ... set of effective, suitable, and survivable systems. We must re-envision national security to keep pace with advanced adversaries, leveraging the entire spectrum of… more
    The MITRE Corporation (01/03/26)
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  • Systems Engineer ( Test Tool Development…

    KBR (Springfield, VA)
    … Science, Business, Computer Science, Mathematics, or related quantitative science field. Security Clearance Requirements: Active TS / SCI (with poly ... Title: Systems Engineer ( Test Tool Development and Automation) Belong. Connect. Grow....and Automation) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (12/11/25)
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  • Cloud Infrastructure Administrator (Washington,…

    Ops Tech Alliance (Washington, DC)
    …operating procedures, and operational protocols clearly and comprehensively **Required Qualifications** + Top Secret security clearance with polygraph + ... technology and security projects in locations around the world to safeguard national security . We focus on hiring top talent and we want you to join… more
    Ops Tech Alliance (12/17/25)
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