• Linux Administrator , Senior

    Amentum (Baltimore, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... & Intel space? If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover,… more
    Amentum (01/06/26)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... & Intel space? If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover,… more
    Amentum (11/21/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at Aberdeen ... an active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (01/06/26)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services ... team to maintain and optimize the Linux production environment.The candidate will be responsible...+ Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good… more
    Leidos (12/30/25)
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  • Senior Linux /Unix…

    S4 Inc. (Omaha, NE)
    …with Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB ... and Computer Systems Administrator Overview: S4 is seeking an experienced Senior Unix/ Linux OS Administrator to support the USSTRATCOM IT Enterprise at… more
    S4 Inc. (01/07/26)
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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 ... 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 will be… more
    General Dynamics Information Technology (12/18/25)
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  • Senior Linux Systems…

    Leidos (Camp Springs, MD)
    …of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining ... Security+ or Systems Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems … more
    Leidos (12/20/25)
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  • Senior Linux Systems…

    SAIC (Princeton, NJ)
    **Description** SAIC is recruiting for a ** Senior Linux Systems Administrator ** to join our program as a general technologist to support our NOAA GFDL ... candidate must be an independent self-starter, be adept at supporting both Linux in a heterogeneous environment, and have excellent customer-facing communication and… more
    SAIC (01/08/26)
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  • Senior Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & ... a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (01/06/26)
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  • Senior Linux System…

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... servers, databases, and workstations as well as VMware and Linux server instances and an extensive network infrastructure (LAN...on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities: + Provide support… more
    Belay Technologies (01/04/26)
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  • Senior Linux System…

    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 ... (Required): + CompTIA Security+ CE or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must meet DoD 8750 and 8140… more
    Black Bear Technology Solutions, LLC (11/21/25)
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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 military experience + 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE distro 12 or greater (eg, DataDomain, vProxy) + 5+… more
    The Boeing Company (12/25/25)
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  • Senior Linux System…

    Parsons Corporation (Aberdeen, MD)
    …**Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** ... **_What Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_ + _Extensive background in… more
    Parsons Corporation (11/15/25)
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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 & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (01/08/26)
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  • Linux System Administrator

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The ... qualified Systems Administrator will support a very dynamic program in a...and/or network/systems administration + Proficiency experience with Red Hat Linux (RHEL) workstations and servers, including installation, configuration, administration… more
    Nightwing (12/20/25)
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  • 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 (12/24/25)
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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 ) Location HI - Kaua'i Job Code 13533 # of openings 1 Apply Now… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Systems Administrator

    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 ... following OS Certifications required + Linux + Linux + Red Hat Certified System Administrator (RHCSA)... + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is… more
    Amentum (12/24/25)
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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 support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems… more
    SMX (12/04/25)
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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 ... This position provides advanced system administration and engineering support for Unix/ Linux environments within the Navy enterprise. The Senior Systems… more
    TekSynap (10/31/25)
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