• Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …DFS Shares. + Implement and maintain robust system hardening techniques using security compliance tools such as Evaluate STIG, SCAP, STIG Viewer. + Troubleshoot ... standard software and hardware solutions. + Support special projects and day‐to‐day operations as needed or assigned. + Support on-call rotation schedule. **Basic… more
    Leidos (01/07/26)
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  • Field Systems Administrator

    Systems Technology Forum (San Diego, CA)
    ** Security Clearance Required Company Overview Systems Technology Forum LTD (STF) is an established industry partner with a passion for exceptional performance and ... (DoD), and other federal agencies. Job Summary The Field Systems Administrator provides operational and maintenance support for mission-critical Navy systems under… more
    Systems Technology Forum (11/21/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    … operations , monitoring and problem resolution for all the client/server/storage/ network devices, mobile devices, etc. + Provide support for the dispatch ... 60 days of starting employment. Acceptable certifications include A+ CE/CCNA- Security /CND/ Network + CE /CySA+/GICSP/GSEC/ Security + CE/CND/SSCP) **Preferred… more
    ManTech (12/25/25)
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  • Senior Classified Systems Administrator

    The MITRE Corporation (Bedford, MA)
    …mission-critical information technology services for classified research and operations , ensuring highly controlled computing environments remain reliable, ... including systems, networks, storage, and access controls, while meeting stringent security and regulatory requirements. In parallel, R111 actively reduces risk and… more
    The MITRE Corporation (01/13/26)
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  • Intel Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (NC)
    …data, ensuring clients receive the best possible answers. As an Intelligence System Administrator and IT Cyber Security Support professional, you will bring ... Intel Systems Administrator The Opportunity: Every day, critical decisions are...of US Marine Corps Intelligence Programs of Record and network infrastructure. Success in this role requires a strong… more
    BOOZ, ALLEN & HAMILTON, INC. (12/20/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations , cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance,… more
    Nightwing (11/26/25)
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  • VTC Administrator

    TekSynap (Columbus, OH)
    …seeking a VTC Administrator to join our team supporting DLA's Video Operations Center (VOC) in Columbus, OH or Richmond, VA TekSynap is a fast-growing high-tech ... Configuration Management (CM) process, tracking changes to the DLA Enterprise VTC Network . + Support the lead in performing proactive maintenance and Tech Refresh… more
    TekSynap (11/12/25)
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  • Splunk Administrator

    SAIC (North Charleston, SC)
    …the Splunk platform, ensuring optimal performance and availability for mission-critical security and business operations . The role supports multi-environment ... **Description** SAIC is seeking a **Splunk Administrator ** to support our customer site in **North...Add-ons + Configure data inputs from servers, applications, and network devices + Manage indexes, parsing, and data normalization… more
    SAIC (01/13/26)
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  • System Administrator

    Lockheed Martin (Kirtland AFB, NM)
    …the world\. **THE WORK** Lockheed Martin is seeking a highly skilled System Administrator to join our dynamic and diverse Information Technology team, supporting the ... Air Force Special Operations \(AFSOC\) Air Commando Training Support \(ACTS\) contract\. As a member of this team, you will work on a recurring multi\-year program,… more
    Lockheed Martin (12/13/25)
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  • Windows Systems Administrator - Top Secret

    Northrop Grumman (Redondo Beach, CA)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry… more
    Northrop Grumman (01/07/26)
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