• Northrop Grumman (Morrisville, NC)
    …a CompTIA Security+ (Sec+) certification within 6 months of start date Experience with Linux administration or related operating systems Experience in an ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...either a level 3 (Principal) or a level 4 ( Sr Principal), depending on the candidate's experience as laid… more
    JobLookup XML (01/01/26)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator** and build an impactful career in ... people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a ** Senior Linux Systems Administrator** , the work you'll do at GDIT… more
    General Dynamics Information Technology (12/18/25)
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  • Sr . IT Linux Systems

    SpaceX (Hawthorne, CA)
    Sr . IT Linux Systems Administrator Hawthorne,...OR 5+ years of experience in IT systems administration without a degree. + Experience with Linux ... to make this possible, with the ultimate goal of enabling human life on Mars. SR . IT LINUX SYSTEMS ADMINISTRATOR SpaceX is looking for an experienced Sr .… more
    SpaceX (01/01/26)
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  • Senior Linux Systems

    Leidos (Camp Springs, MD)
    **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National Capital ... and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator,...leading the upgrade of our existing Red Hat Enterprise Linux 8 systems to version 9, ensuring… more
    Leidos (12/20/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...a Security+ CE, a RHCSA, and 10 years of Linux Server Administration experience, to include Red… more
    Northrop Grumman (12/12/25)
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  • Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Who We Are Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead to support a Modeling, Simulation, and Training ... You Will Do + Maintain continuous operation of multi-user Linux computer systems to ensure team can...management and/or mentoring experience. + Must have experience with LINUX system administration . + Must be capable… more
    Huntington Ingalls Industries (01/02/26)
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  • Senior Linux Systems

    The Boeing Company (Hazelwood, MO)
    …The Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Linux Systems Administrator** to join the team in ... or equivalent work or military experience + 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE distro 12 or greater (eg,… more
    The Boeing Company (12/25/25)
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  • Senior Linux Systems

    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 & ... : Bachelor's degree plus eleven (11) to fifteen (15) years of relevant systems administration experience or equivalent. + **Security Clearance** : Candidates… more
    Leidos (10/09/25)
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  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …**Responsibilities will include but not be limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment for a ... Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical… more
    Northrop Grumman (11/15/25)
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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/ ... experience in the following: Requirements .10 years of experience with Red Hat Linux preferred. Bachelor of Science in Information Systems , Computer Science, or… more
    EPS Corporation (10/15/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join our team...in Dahlgren, VA. Essential Duties & Responsibilities include thedaily administration of Linux /Unix systems and… more
    SMX (12/04/25)
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  • Linux Information Systems Analyst,…

    Lockheed Martin (King Of Prussia, PA)
    …in our King of Prussia, PA secure facility\. **Your Mission:** As a Linux Information Systems Analyst, your responsibilities will include: * Technical Support: ... organization\.\*\ \#EBDT **Basic Qualifications:** * Active Secret Clearance * Knowledge of Linux /UNIX Server Administration * Knowledge of scripting skills to… more
    Lockheed Martin (11/26/25)
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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 )...role requires deep technical expertise in Linux systems , leadership in secure system administration , and… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Systems Administrator…

    Amentum (Waimea, HI)
    …(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration , and a strong working knowledge ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee...+ Apply and manage patches and updates across all Linux systems in accordance with DoD and… more
    Amentum (12/24/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations....updating, and upgrading Linux Operating Systems (OS). + Must have… more
    Belay Technologies (11/07/25)
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  • Sr . Linux /Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …system administration , including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual ... be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able… more
    Lockheed Martin (11/14/25)
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  • Senior Systems Administrator…

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, ... Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture...from scratch and designing complex Active Directory environments. + Senior -level experience with Linux system administration more
    ManTech (11/05/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in ... security, networking and metrics, etc. The infrastructure includes both Windows and Linux systems with file servers in multiple physical locations, and… more
    Mount Sinai Health System (12/22/25)
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  • Senior Systems Administrator (Unix/…

    TekSynap (Dahlgren, VA)
    …& Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** **Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) ... for Unix/ Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator ... environment. The ideal candidate will bring deep expertise in Unix/ Linux administration , network security, and performance optimization, ensuring… more
    EPS Corporation (11/13/25)
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