• IT Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an **IT Systems Engineer ** to develop updated guidance for online operations and identify new technologies for integration into a ... This position is located in **Chantilly, VA** and requires an **active TS /SCI clearance with Polygraph** . Job responsibilities include, but are not limited… more
    SAIC (12/24/25)
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  • CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …start date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI - Current At Raytheon, the ... engineering experience. + Active and transferable US government issued TS /SCI US government issued security clearance is...of the Department of Defense, handles and adjudicates the security clearance process. More information about … more
    RTX Corporation (11/13/25)
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  • Senior Unified Communications Voice…

    CACI International (Reston, VA)
    Senior Unified Communications Voice Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... * **The Opportunity:** Join CACI as a Senior Unified Communications Voice Engineer ! The Enterprise Communications Services 3 (ECS3) program supports our intel… more
    CACI International (01/15/26)
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  • KPMO Space Systems Engineer

    TRIAEM, LLC (Springfield, VA)
    KPMO Space Systems Engineer Location: Springfield, VA Clearance Requirement: TS /SCI The KPMO Space Systems Engineer provides advanced engineering support ... (NSG) and the Department of Defense/Intelligence Community (DoD/IC). The engineer will engage in activities including requirements engineering, solutions… more
    TRIAEM, LLC (12/24/25)
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  • Chief Engineer (Integrated Broadcast System…

    CACI International (Fort Belvoir, VA)
    Chief Engineer (Integrated Broadcast System Network Expansion) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... **The Opportunity:** As the Integrated Broadcast System (IBS) Network Expansion Chief Engineer you will have the opportunity to design, develop, integrate, and… more
    CACI International (11/08/25)
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  • ADC Engineer I, Platform Engineering…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...Model, and TCP/IP) experience - Current, active US Government Security Clearance of TS /SCI with Polygraph Preferred… more
    Amazon (12/09/25)
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  • Senior Signal Processing Engineer

    Leidos (Arlington, VA)
    …Citizen with an active Secret clearance and the ability to obtain a TS /SCI level clearance - Bachelors with 12+ years prior relevant experience, or Masters with ... growing enterprise - protecting the warfighter and our national security against ever-adapting threats** . Due to success of...currently has an opening for a **Senior Signal Processing Engineer ** . As a LInC EW Senior Signal Processing… more
    Leidos (01/16/26)
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  • Senior DevOps Software Engineer

    CACI International (Sterling, VA)
    …Software Engineer to join our Team. We enable national security missions through creation and delivery of innovative, technology-centric solutions that provide ... Senior DevOps Software Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/11/25)
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  • ServiceNow ITOM Engineer

    CACI International (Chantilly, VA)
    ServiceNow ITOM Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... tools (Excel, Word, Project, Visio) and SharePoint **Qualifications:** _Required:_ * An Active TS /SCI Clearance with Polygraph* Security + or DoD 8570 IAT Level… more
    CACI International (11/25/25)
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  • Network Operations Center (NOC) Engineer

    CACI International (Springfield, VA)
    Network Operations Center (NOC) Engineer (Tier 2) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... basis. **The Opportunity** : Team CACI is seeking a Network Operations Center Engineer to support a diverse network infrastructure, including CAN, LAN, C&T, CORE,… more
    CACI International (10/25/25)
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