• System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in… more
    Assertive Professionals (07/10/25)
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  • ABAD System Administrator…

    Parsons Corporation (Centreville, VA)
    …what you're looking for. **Job Description:** Parsons is looking for an amazingly talented ** Systems Administrator ** to join our team! In this role you will get ... creates monitoring reports and logs, and ensures functionality of systems . + Installs and administers Windows and Linux Servers....etc) + 5 + years of experience in a System Administrator role + Experience with virtualization… more
    Parsons Corporation (09/11/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a ** System Administrator ** (Shift Work) to join ... and tight deadlines, to include **infrastructure administration** , **information security ** support and configurations, software and **OS support** ,...a small group of end users who use our system and several other systems that we… more
    The Boeing Company (09/21/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …field. + CompTIA Security + Minimum + Proven experience as a System Administrator in a classified environment, preferably within the intelligence community ... Hyper-V virtual environments. + Utilize Ansible for automation of system configurations, deployments, and updates. + Manage and support... administration tasks. + Work closely with the Information Systems Security Officer (ISSO) to address … more
    Parsons Corporation (09/04/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the Sponsor's… more
    ManTech (08/30/25)
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  • Sr Manager, OneStream System…

    PenFed Credit Union (Mclean, VA)
    …a part of the PenFed family. PenFed is hiring a (Hybrid) Sr Manager, OneStream System Administrator at our Tysons, Virginia location. The primary purpose of this ... other duties as assigned. + Act as the primary system administrator for OneStream, ensuring the platform...(preferably OneStream), as well as experience with user access, security profiles, roles and privileges. + Minimum 2 years… more
    PenFed Credit Union (08/09/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... in one or more of the following disciplines: combat systems design/engineering, combat system computer program development,...Microsoft Windows computer operating systems , LINUX operating systems , CISCO Systems , computer security … more
    SimIS Inc. (08/07/25)
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  • Principal System Administrator…

    RTX Corporation (Springfield, VA)
    …and provide access to tools and resources that enable this **Principal** ** System Administrator - Network Operations Center** employee to continuously improve ... program in a classified environment as a Network Operations Center (NOC) System Administrator . + This position is responsible formonitoring the Infrastructure… more
    RTX Corporation (09/07/25)
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  • Senior SharePoint & Power Apps…

    Huntington Ingalls Industries (Virginia Beach, VA)
    …combine deep technical expertise with leadership capabilities to ensure optimal system performance, security , and user adoption-while driving the development ... Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $98,844.00 - $145,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior Meet… more
    Huntington Ingalls Industries (09/25/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …where you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. ... service inquiries and problems. + Extensive experience working as a Tier 2 system administrator : familiar with using exchange/vault tools. + Extensive experience… more
    Leidos (07/23/25)
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