• Senior Linux System…

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for… more
    ManTech (10/14/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... Administration experience. + Must be proficient with troubleshooting in a Linux environment. **Security Clearance Requirements:** + Current/Active TS /SCI with… more
    ManTech (09/20/25)
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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 ... Senior Systems Administrator ( Linux )... Senior Systems Administrator ( Linux ) Location HI - Kaua'i...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with… 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 ... Amentum is seeking a highly experienced Senior Linux System Administrator ...must be a US Citizen to apply for a Secret Security Clearance. Applicants selected either must currently possess… more
    Amentum (09/24/25)
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  • Senior Linux /Unix Systems…

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator ...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix ... Dahlgren, VA SMX is looking for a highly motivated Senior Linux /Unix Administrator to join...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
    SMX (10/18/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the ... for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to...a US Citizen. + Must have an active DoD Top Secret Clearance. + Must have an… more
    Link Solutions Inc (10/08/25)
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  • Senior Principal Linux

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/26/25)
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  • Sr Principal HPC Linux Systems…

    Northrop Grumman (Redondo Beach, CA)
    … systems. **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would be ... The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (09/11/25)
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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …HPC systems **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would be ... The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (09/10/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …Type of Travel: Local * * * **The Opportunity:** **CACI** is seeking a ** Senior Linux Systems Administrator ** to provide support for implementation, ... Senior Systems Administrator Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/25/25)
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