• Senior Linux Systems Administrator…

    Leidos (Columbia, MD)
    …will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance. ... a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (09/26/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …and optimize a wide variety of IT systems . We are seeking a System Administrator (Level 1) to support the implementation, troubleshooting, and maintenance of ... System Administrator Job Category: Information Technology...and manage UNIX, Linux, and Windows operating systems + Troubleshoot OS software and enhance system… more
    CACI International (08/01/25)
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  • (Mid. or Senior) System…

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our team. The selected individual will be responsible for ... for a large complex network environment with geographically distributed systems . The position entails supporting solutions for system...of relevant experience + Must have experience as a systems administrator providing direct support to end… more
    Belay Technologies (10/01/25)
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  • Mid-Level Linux System Administrator

    Belay Technologies (Laurel, MD)
    …resolution process. + Configure and manage UNIX and Windows operating systems , install and load operating system software, troubleshoot, maintain integrity ... finalist in 2021! Belay Technologies is seeking a Linux System Administrator to join our intel team....system infrastructure, and any processes related to these systems and provide support to IT systems … more
    Belay Technologies (07/21/25)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …requirements + Responsible for the administration of Linux systems , and Windows servers inclusive of applications, processes the system supports + Define ... a System Administrator + Experience with administration of VMware, Linux systems , and Windows servers inclusive of applications, processes the system … more
    Parsons Corporation (09/04/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    Systems Administrator , Senior The Opportunity: Are...team members. You'll support Windows and Linux systems engineering efforts in system design and ... technical expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to...evaluation, solution engineering, sof tware development, or system administration. You'll use your passion to learn new… more
    BOOZ, ALLEN & HAMILTON, INC. (09/09/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …, manage IT system infrastructure and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily ... Senior Systems Administrator Job Category: Information Technology... Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (09/25/25)
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  • Systems Administrator IV - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    …+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... Systems Administrator IV - PIPELINE (TS/SCI...Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    COMSO, Inc (09/02/25)
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  • Cloud Network & Computer Systems…

    SMX (Patuxent River, MD)
    Cloud Network & Computer Systems Administrator - Intermediate (Secret to TS) (3265)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD ... SMX is seeking a skilled **Cloud Network & Computer Systems Administrator ** to be part of our...systems hosting virtualized workstations and/or servers + Support Windows and/or Linux based systems + Support… more
    SMX (08/08/25)
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  • Cloud System Administrator - TS/SCI…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** Cloud System Administrator Own the opportunity as a Cloud System ... help them face any obstacle. At GDIT, people are our differentiator. As a Cloud System Administrator you will help ensure today is safe and tomorrow is smarter.… more
    General Dynamics Information Technology (08/19/25)
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