• Red Team Operator

    Amentum (Norfolk, VA)
    …gaining backdoor access, collecting/exfiltrating data, conducting vulnerability analysis of other systems in the network). + Knowledge of system administration ... test results. The Red Team Operator will conduct cyber tests on operational systems , in laboratory environments, or in cyber range environments. Testing may be… more
    Amentum (11/12/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …Network (TEN) Lab Manager with experience in Linux, Splunk, and Ansible System Administration to support the design, development, and deployment of advanced ... clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development,… more
    ARSIEM (11/12/25)
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  • Network Administrator

    Leonardo DRS, Inc. (Arlington, VA)
    …and system administration duties for US Government accredited on-premesis systems and networks including high side, standalone systems , custom-developed ... visit www.leonardodrs.com . **Job Summary** As a cleared SIPR Network and System Administrator and a member of the Corporate Risk Management Framework (RMF)… more
    Leonardo DRS, Inc. (11/05/25)
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  • Splunk Admin (Lab Manger)

    Nightwing (Arlington, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... Network (TEN) Lab Manager with experience in Linux, Splunk and Ansible System Administration to support the design, development, and deployment of advanced… more
    Nightwing (10/23/25)
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  • Sr Automation & Controls (SCADA) Engineer

    American Water (Alexandria, VA)
    …expects to invest $40 to $42 billion in infrastructure repairs and replacement, system resiliency and regulated acquisitions over the next 10 years. The company has ... plans, designs, monitoring, build and commissioning of automation & process control systems . Understand and apply new technological systems and multiple vendor… more
    American Water (10/23/25)
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  • Senior Lead Engineer - Public Sector

    Lumen (Richmond, VA)
    …environments and to provide independent efforts to all aspects of system integration including design, needs analysis, design review, testing, implementation, and ... Google Cloud Platform and Amazon Web Services. *Deploy, configure, and administer systems in Google Cloud Platform and Amazon Web Services. *Support, troubleshoot,… more
    Lumen (01/09/26)
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  • Arrangement Engineer (Engineer 1)

    HII (Chesapeake, VA)
    …its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures ... testing, installation, maintenance, alteration, and repair of electrical and electronic combat systems on US Navy ships, including conducting site surveys and ship… more
    HII (12/27/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    Join a fast growing agile small company that delivers cutting edge cybersecurity and system integration services to the US National Security market. We are seeking a ... motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national security systems . Tau Six,… more
    Tau Six (10/22/25)
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  • Field Operations Specialist

    Leidos (Springfield, VA)
    …operational consistency and compliance. + Contribute to projects spanning ** systems integration, system administration, andfield operations** with moderate ... managing system enhancements. **Preferred Qualifications** + Experience in system administration, systems integration, or network installation in critical… more
    Leidos (01/15/26)
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  • Fire Alarm Technician 3

    M. C. Dean (Richmond, VA)
    …complex programming of FA systems + Perform complete site survey for FA system upgrades and new installations; identify needs to bring system up to Code. ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...; and deliver the management platforms essential for long-term system sustainability. **Why join MC Dean?** Our people are… more
    M. C. Dean (01/15/26)
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