• Principal Systems Engineer ( Linux )

    Themis Insight (Fort Meade, MD)
    …for a bachelor's degree. + Proficient with Linux . Minimum of 2 years Linux system administration experience. + Experience with patching and upgrading ... expertise to every case. We are hiring a Principal Systems Engineer ( Linux ) to work in Fort...systems into ongoing operations. Develops technical documentation. Develops system Architecture and system design documentation. Guides… more
    Themis Insight (12/19/25)
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  • Linux System Engineer

    Huntington Ingalls Industries (Dayton, OH)
    …Evaluate new tools, technologies, and processes to improve computer environment + Linux system administration : backups, accounts, storage, compute resources, ... Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...with cloud environment + 3+ years of experience with Linux administration + [Desired] Experience with VMware… more
    Huntington Ingalls Industries (11/17/25)
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  • Senior Systems Administrator - Windows/…

    ManTech (Fairmont, WV)
    …scratch and designing complex Active Directory environments. + Senior-level experience with Linux system administration , networking, security hardening, and ... Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture...+ Bachelor's degree and 4+ years of experience in Systems Administration , with demonstrated expertise in both… more
    ManTech (11/05/25)
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  • Principal System Administrator - Windows…

    RTX Corporation (El Segundo, CA)
    …solve complex IT infrastructure problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal System more
    RTX Corporation (12/09/25)
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  • Senior Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    …The ideal candidate will bring deep expertise in Unix/ Linux administration , network security, and performance optimization, ensuring system reliability, ... (6) yearsof professional experience inUnix and/or Linux system administrationof networks and software systems . + Hands-on experience in: + System backup… more
    EPS Corporation (11/13/25)
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  • Advanced Sciences and Technologies (AS&T)-…

    AS&T (Pomona, NJ)
    Advanced Sciences and Technologies (AS&T)- Linux System Administrator (Pomona, NJ) Linux System Administrator (Pomona, NJ) 10+ Years of experience ... Bachelors Degree in related field Required Experience: Red Hat Linux System Administrator Red Hat Ansible Automation...to maintain a 24x7x365 uptime service + Engineering of systems administration -related solutions for various project and… more
    AS&T (01/10/26)
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  • Endpoint Linux Systems Administrator

    US Tech Solutions (Milpitas, CA)
    …Responsibilities on the above systems include Deploying security tools, System Administration , engineering and provisioning, operations and support, and ... The client is deploying security tools on Windows and Linux endpoints so that all endpoint systems ...and recommend innovative, and where possible automated approaches for system administration tasks. + Identify approaches that… more
    US Tech Solutions (01/05/26)
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  • Linux /Windows Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …professional experience, or equivalent experience/combined education\. * Experience with both Linux and Windows system administration , including installing, ... troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual machines\) * System... systems \(both bare\-metal and virtual machines\) * System Administration knowledge of LAN and WAN… more
    Lockheed Martin (12/11/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for Linux operating systems including installing software, ... None **Job Family:** IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise Systems ,Software Updates, System Administration ,Technical… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …Company's Specialized United States Infrastructure organization is currently seeking a **Senior Linux Systems Administrator** to join the team in **Hazelwood, ... , connectivity diagrams, and create standard operating procedures for system administration tasks + Mentor junior team...military experience + 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE… more
    The Boeing Company (12/25/25)
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