• Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (09/04/25)
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  • Senior Systems Administrator…

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location HI...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5… more
    Alaka'ina Foundation Family of Companies (09/19/25)
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  • Senior Systems Administrator…

    Amentum (Waimea, HI)
    …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required with T5 ... Amentum is seeking a highly experienced Senior Linux System Administrator to...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system… more
    Amentum (09/24/25)
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  • Senior Linux /Unix Systems…

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4419)at...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
    SMX (09/03/25)
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  • System Administrator - Linux…

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now JOB DESCRIPTIONThe Sponsor requires the support of full-time Linux ... and effectively communicate issues and resolutions to all levels within the organization. System Administrator - The Contractor shall support a second shift… more
    The Metamorphosis Group (09/10/25)
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  • Sr. Linux /Windows Systems…

    Lockheed Martin (King Of Prussia, PA)
    …topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security ... 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify… more
    Lockheed Martin (09/18/25)
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  • Senior Systems Administrator…

    ICF (Reston, VA)
    …the DC MD VA area We are seeking a highly skilled and customer-facing Senior Systems Administrator to support Linux and Windows environments for a critical ... Responsibilities:** + Maintain and administer Linux and Windows operating systems , ensuring system performance and security compliance. + Apply patches,… more
    ICF (09/27/25)
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  • Unix & Linux System…

    Lockheed Martin (Camden, NJ)
    …Our Development Environment & Infrastructure Solutions team is seeking a System Administrator skilled in Unix & Linux to support our classified software ... and mission\-ready\. **THE WORK** You will configure and manage Unix/ Linux operating systems , install/load OS software, and...and maintain a DoD government security clearance at the Top Secret level\. Learn more about life… more
    Lockheed Martin (08/22/25)
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  • Top Secret Linux…

    Insight Global (Dayton, OH)
    …Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements -active Top Secret clearance -3 years sys admin ... -support client-server-based IT enterprise in installation, configuration, and networking of Linux based servers -oversee servers running Red Hat, CentOS, SuSe, and… more
    Insight Global (09/09/25)
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  • Windows Linux Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …applications (eg, Outlook, Excel, Word, Java, Internet Explorer) + Linux system administration + Familiarity with ticketing systems such as ServiceNow or ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...both Windows and Linux environments on physical systems and virtual desktops (EVDI). + Troubleshoot system… more
    General Dynamics Information Technology (07/16/25)
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