• Senior Field Engineer (DHS)

    SimIS Inc. (Suffolk, VA)
    …requires comprehensive systems engineering and test and evaluation (T&E) support. SimIS seeks a Senior Field Engineer to serve as a team leader for field ... ability to lead technical teams in challenging and remote environments. The Senior Field Engineer coordinates multiple field activities while ensuring safety,… more
    SimIS Inc. (07/11/25)
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  • Senior Network Engineer

    TekSynap (Arlington, VA)
    …primary role designing, architecting routed and switched networks. + 2+ years as senior or lead engineer in planning, designing, and building software defined ... **REQUIRED QUALIFICATIONS** + Experience: + 5+ years primary role operating , troubleshooting, installing network routers and switches. + 5+...possess a Secret clearance **Overview** We are seeking a Senior Network Engineer to join our team… more
    TekSynap (07/09/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Cyber Planning (Active TS/SCI w/CI Poly ... (100% Onsite) Job Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer - Cyber Planner supporting a critical… more
    L3Harris (07/02/25)
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  • Senior Cyber Network Engineer

    CACI International (Chantilly, VA)
    Senior Cyber Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * **The Opportunity:** Join our team as a Senior Principal Cyber Network Engineer in Chantilly,...+ Solid understanding of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security… more
    CACI International (06/23/25)
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  • Senior Environmental Systems…

    Leidos (Reston, VA)
    …& Infrastructure Portfolio at Leidos currently has an opening for a ** Senior Environmental Systems Engineer .** **The successful candidate will:** * **Manage** ... software licensing support for environmental investigations and/or support activities. ** Senior Environmental Systems Engineer responsibilities:** * Manage… more
    Leidos (05/29/25)
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  • Senior Network Engineer

    ManTech (Norfolk, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **Network Engineer ** to join our team in **Norfolk, VA.** This is an **onsite** position. ... and executing the installation of new capabilities, as well as operating , maintaining, and troubleshooting network connectivity and infrastructure on enterprise… more
    ManTech (08/08/25)
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  • Cybersecurity Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Chantilly, VA)
    Cybersecurity Engineer , Senior The Opportunity: Are you looking for an opportunity to share your experience in network and system security to safeguard our ... nation? As a cybersecurity engineer , you can identify, implement, and operate the systems,...wait. You Have: + Experience with Windows and Unix operating systems + Experience implementing or operating more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Senior Specialist, Software Engineer

    L3Harris (Lynchburg, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 24818 Job Location: : Lynchburg, VA ... Job Description: L3Harris is seeking a Sr. Specialist Software Engineer with focus on system test, and automation. Our...Python + Microsoft Windows Server 2016, 2019 and 2022 operating system knowledge + RedHat Linux 7, 8 and… more
    L3Harris (06/12/25)
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  • TS/SCI Systems Engineer Senior

    IBM (Chantilly, VA)
    …and experience. **Your role and responsibilities** We are seeking an experienced Senior Systems Engineer with US Government Top Secret/SCI security clearance ... * 7+ years' experience in systems engineering or related field * Operating Systems & Infrastructure: o Expert-level Linux systems engineering o Windows client… more
    IBM (07/30/25)
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  • Senior DevOps Engineer

    Amentum (Springfield, VA)
    **Your Impact:** As a Senior DevOps Engineer , you will support an exciting National Security mission to position NGA to be the enterprise and community GEOINT ... cloud systems + Isolate and resolve problems involving the applications, operating system, hardware, communications, other infrastructure, or any combination as… more
    Amentum (05/30/25)
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