• SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an **SIGINT Systems Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA ... Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. Responsibilities include,...experience to be substituted in lieu of degree. + Active Top Secret/SCI clearance with Poly. +… more
    SAIC (11/21/25)
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  • Network/ Systems Engineer (Vaxcom)

    Parsons Corporation (Airlie, VA)
    …career. Vaxcom Services, LLC (a Parsons company) is looking for an amazingly talented **Network/ Systems Engineer ** to join our team! In this role you will get ... Network Professional (CCNP), or CompTIA Network+. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required… more
    Parsons Corporation (10/31/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Strategic Planner (TS/SCI w/ CI Poly Required) Job Code: ... Technologies currently has an opening for a Senior Specialist, Systems Engineer - Strategic Planner. The Strategic...minimum of 8 years of prior related experience. + Active Top Secret/SCI with Poly clearance required.… more
    L3Harris (01/15/26)
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  • Acquisition Systems Engineer

    SAIC (Chantilly, VA)
    …years related experience. Relevant experience to be substituted in lieu of degree. + ** Active Top Secret/SCI with Polygraph.** + **3+ years of government program ... **Description** SAIC is seeking an **Acquisition System Engineer ** to fill a critical position on SAIC's...Directorate (GED), which is responsible for the acquisition of systems over the complete end-to-end life cycle. The rapidly… more
    SAIC (12/23/25)
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  • General Engineer - Facilities/Utility…

    Parsons Corporation (Centreville, VA)
    …SME assistance to Technical Support Projects (TSPs) **Security Clearance Requirement:** An active Top Secret security clearance is required for this position.​ ... Description:** Parsons is looking for an amazingly talented **General Engineer - Facilities/Utility Systems ** to join our team!...Must have a Valid US Passport + Must have Top Secret Clearance with SCI eligibility **What Desired Skills… more
    Parsons Corporation (01/16/26)
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  • Facilities Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a top -notch **Facilities Systems Engineer ** to join our talented team in **Chantilly, VA** . This role requires an ** ... active TS/SCI clearance with Polygraph** . This position is...technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian,… more
    SAIC (11/26/25)
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  • Power Systems Research Engineer

    Pacific Northwest National Laboratory (Richmond, VA)
    …applied research. We leverage a strong technical foundation in power and energy systems and advanced data analytics to drive innovation, transform markets, and shape ... grid. **Responsibilities** PNNL seeks a creative and inter-disciplinary power system engineer to develop model enhancements for conventional power system models… more
    Pacific Northwest National Laboratory (01/13/26)
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  • Systems Engineer ( Engineer

    HII (Suffolk, VA)
    …Mission Technologies, a division of Huntington Ingalls Industries, is seeking a Systems Engineer to support the Joint Training Synthetic Environment (JTSE) ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    HII (01/16/26)
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  • Hypersonic Senior Systems Engineer

    Leidos (Arlington, VA)
    **Description** The Electronic Warfare Division has an opening for an experienced Hypersonic Systems Engineer . Leidos is looking for experienced engineers with a ... Hypersonics Aerospace background to lead Systems development and Modeling and Simulation (M&S) efforts based...+ Payload integration Clearance: Must be a US Citizen. Active Secret clearance required, Top Secret preferred.… more
    Leidos (12/20/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …to ensuring you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program ... to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret/SCI clearance with Poly. + Bachelors and five… more
    Sciolex Corporation (01/07/26)
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