• Senior Linux System Administrator

    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 ... perform system capacity analysis and planning. + Configure and manage Linux operating systems; install and maintain OS software; implement system enhancements… more
    ManTech (09/20/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... to improve performance and reliability. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. + Assign and manage… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Linux Systems Administrator…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software,… more
    Leidos (10/09/25)
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  • Senior Systems Administrator ( Linux

    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...(DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration ,… more
    Alaka'ina Foundation Family of Companies (09/19/25)
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  • Senior Systems Administrator ( Linux

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration , and a strong… more
    Amentum (09/24/25)
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  • Senior HPC Linux System…

    Leidos (Atlanta, GA)
    **Description** The Public Health and Human Services Operation of Leidos is seeking a ** Senior HPC** ** Linux System Administrator** to lead a team of system ... computing (HPC) infrastructure used by public health researchers and scientists. This senior -level position requires extensive Linux expertise combined with a… more
    Leidos (09/30/25)
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  • Senior Linux System Administrator

    GovCIO (Montgomery, AL)
    Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other ... Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + Advanced systems… more
    GovCIO (08/08/25)
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  • Senior Red Hat/ Linux Information…

    EPS Corporation (Panama City Beach, FL)
    Senior Red Hat/ Linux Information Systems Security Engineer - (709) Share this job as a link in your status update to LinkedIn. Job Title Senior Red Hat/ ... of DoD networks. Experience with network hardware design and integration. Firewall administration experience. Experience with Red Hat/ Linux network deployment in… more
    EPS Corporation (07/17/25)
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  • Senior Windows and Linux Systems…

    The Boeing Company (Kent, WA)
    …with us. The Boeing Company is looking for a highly experienced and detail-oriented ** Senior Windows and Linux Systems Administrator** to join the team in ... certification + 5+ years of experience in performing system administration tasks on Windows and Linux hosts...performing system administration tasks on Windows and Linux hosts including installing security patches and making configuration… more
    The Boeing Company (10/08/25)
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  • Senior Linux System Administrator…

    Mission Support and Test Services (North Las Vegas, NV)
    …is looking for a high-performing individual to join our team as a Linux Systems Administrator ( Senior Infrastructure Analyst). **Key Responsibilities** + Manage ... Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help ensure the...and maintain Red Hat Linux servers in a large-scale enterprise environment. + Implement,… more
    Mission Support and Test Services (07/23/25)
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