• Senior Network Engineer

    System One (Mclean, VA)
    …and support switches, routers, and data circuits for voice, data, and video systems . + Ensure secure configuration of network infrastructure in compliance with DoD ... cybersecurity policies. + Maintain and update as-built cabling/fiber documentation and network diagrams. + Install, configure, and maintain network encryption… more
    System One (12/17/25)
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  • Scientist, Chief Systems Engineer

    L3Harris (Ashburn, VA)
    …or comparable RF technology field. + 6+ years' experience integrating and troubleshooting complex systems / system of systems (SoS). + 4+ years' experience ... for driving the integration and test of complex electronic systems for the defense industry. You will need to...in the integration process. The role is of high-level system integrator, requiring extensive technical knowledge of the architecture,… more
    L3Harris (12/06/25)
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  • Specialist, Systems Integration Engineering

    L3Harris (Ashburn, VA)
    …clearance. Preferred Additional Skills: + Experience in unmanned aircraft or guided weapon systems . + System level experience in which the applicant has been ... and cyber domains in the interest of national security. Job Title: Specialist, Systems Integration Engineer Job Code: 31863 Job Location: Ashburn, VA Job Schedule:… more
    L3Harris (12/06/25)
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  • Information Systems Security Engineer

    SAIC (Chantilly, VA)
    …a position located in Chantilly, VA. The successful candidate will leverage overall system knowledge and expertise of space systems regarding security posture in ... System Security Manager (ISSM) regarding certification and accreditation of all System Program Office sponsored systems . + Provide the Information System more
    SAIC (11/06/25)
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  • Specialist, Systems Engineering

    L3Harris (Ashburn, VA)
    …deliveries + Gather feedback to identify areas of improvement and implement + System design synthesis of complex electronic systems to include processes and ... testing. + Perform trade studies on a variety of systems and components. + Create, maintain TDP, system...as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies… more
    L3Harris (10/29/25)
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  • Sr Specialist, Systems Integration…

    L3Harris (Ashburn, VA)
    …clearance. Preferred Additional Skills: + Experience in unmanned aircraft or guided weapon systems . + System level experience in which the applicant has been ... cyber domains in the interest of national security. Job Title: Sr Specialist, Systems Integration Engineer Job Code: 29613 Job Location: Ashburn, VA Job Schedule:… more
    L3Harris (10/05/25)
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  • Senior Security Systems Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …military system specifications, DoD Cybersecurity policies for both land-based, afloat/tactical systems , or System Security Plan (SSP) CSSE, and the ability ... include developing secure network architectures, security design, developing engineering documentation , application of Model Based System Engineering (MBSE),… more
    Imagine One Technology & Management (09/24/25)
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  • Systems Engineer

    Leidos (Norfolk, VA)
    …or system faults to reestablish service. + Maintain and update relevant system and process documentation . + Establish and maintain a strong working ... Leidos Digital Modernization sector is currently seeking a motivated, career oriented System Engineer with proven experience to join the JSP Platform Services team… more
    Leidos (12/17/25)
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  • Network Enterprise System Team Lead

    Leidos (Lorton, VA)
    …for an experienced **Enterprise Network Architect** to serve as the **Network Enterprise System Team Lead** on a fast-paced program with the Air Force Life Cycle ... operating procedures for NOC/SOC monitoring, escalation, and resolution. + Analyze system performance and security metrics to proactively identify and mitigate… more
    Leidos (11/06/25)
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  • Senior Security Systems Engineer…

    Cydecor, Inc. (Dahlgren, VA)
    …etc.). + Demonstrated experience developing secure network architectures, engineering documentation , and applying Model-Based Systems Engineering (MBSE) ... Federal Government solutions provider, delivering differentiated innovations in mission systems and business platforms. We leverage leading-edge secure systems more
    Cydecor, Inc. (11/20/25)
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