• Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Network Engineer Location: Springfield, VA Eligibility: Candidate must possess an active TS /SCI clearance and be willing to obtain a CI Polygraph Job ... Network Engineer Location: Springfield, VA, US Job ID: ATR...and connectivity issues - Perform launch testing for new software releases and the introduction of new features -… more
    Arena Technical Resources, LLC (01/05/26)
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  • Mission Systems Engineer

    SAIC (Chantilly, VA)
    …organizing, analyzing data) and/or mission/ops/ground support experience. + Active TS /SCI clearance with Polygraph. + Effective communication, coordination, ... **Description** SAIC is seeking a **Mission Systems Engineer ** with NRO experience to provide Modeling and Simulation (M&S) and Systems Engineering and Technical… more
    SAIC (01/01/26)
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  • Applied R&D Systems Engineer

    SAIC (Chantilly, VA)
    …to grow organizational competency and capability. **Qualifications** **Qualifications:** + Active TS /SCI clearance with Poly. + Bachelor's degree with five ... **Description** SAIC seeks an R&D Systems Engineer to join our team of professionals providing...engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training. We are… more
    SAIC (12/30/25)
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  • Requirements/IVV&T Engineer

    KBR (Chantilly, VA)
    …Minimal 0-20% + Working Hours: Standard/Flexible Qualifications: Required: Security Clearance Requirements: Active TS /SCI with Polygraph IC: Experience ... Title: Requirements/IVV&T Engineer Belong. Connect. Grow. with KBR! As a...requirements processes, execution of requirements derivation, decomposition and sell-off; software test planning, management, execution, integration, and reporting Systems:… more
    KBR (12/29/25)
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  • Infrastructure Engineer

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: Infrastructure Engineer Location: Sterling, VA Clearance : TS /SCI Poly **This ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (12/26/25)
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  • Hardware Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: Hardware Engineer Location: Sterling, VA Clearance : TS /SCI Poly **This ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (12/26/25)
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  • Program Security Engineer

    SAIC (Chantilly, VA)
    …and Information System Security Engineers (ISSE). **Qualifications** + Must possess an active TS /SCI clearance with Polygraph. + At least 4 years experience in ... engineering & integration and more. This position is for Program Security Engineer for a large, multi-year contract supporting a cutting-edge and innovative space… more
    SAIC (12/23/25)
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  • Senior System Engineer

    KBR (Chantilly, VA)
    …and implementation, system testing, etc. + Experience supporting the federal government or DoD Clearance : TS /SCI w poly is required Belong, Connect and Grow at ... Title: Senior System Engineer Belong. Connect. Grow. with KBR! KBR's National...to application and tool development teams. + Coordinates with software architect and other technical delivery team members to… more
    KBR (12/17/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …administering and securing Linux systems in an enterprise environment. + Active TS /CI government security clearance + Direct experience with Tenable.sc and/or ... at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office. This...to correspond with product updates released in response to software updates and patches. The Contractor shall document all… more
    Leidos (12/11/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …Label Switching (MPLS) Wide Area Networks (WANs). **Basic Requirements** + Required Clearance to be considered: TS /SCI with Polygraph + Candidate must ... Modernization Sector at Leidos** **has an opening for a** **Network** ** Engineer (Campus Area Network/Local Area Network (CAN/LAN))** to support global enterprise… more
    Leidos (12/09/25)
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