• MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator 5-Day office, No remote work Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of ... infrastructure. Our infrastructure is a multi-site network cluster of Windows, Linux servers, SQL Server databases, and other supporting network hardware and… more
    job goal (12/08/25)
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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 (10/08/25)
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  • Senior Linux Administrator

    Cognizant (Atlanta, GA)
    ** Senior Linux Administrator ** Location: Atlanta, GA (Hybrid) **Please note, this role is not able to offer visa transfer or sponsorship now or in the future ... Infrastructure Technology Specialist with 6to 9 years of expertise in Linux Administration, specifically RHEL SLES and OEL. **Key Responsibilities** Install,… more
    Cognizant (11/22/25)
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  • Senior Linux Systems…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (RDTE) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The ... Senior Linux Administrator (NetServ) is responsible for system administration and customer support of servers and workstations in a Research, Development, and… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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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. (10/08/25)
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  • Senior Linux System…

    BAE Systems (San Diego, CA)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR** EEO Career Site Equal ... your career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational… more
    BAE Systems (09/18/25)
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  • Senior Linux System…

    General Dynamics Information Technology (Fairfax, VA)
    Linux ,System Administration **Experience:** 8 + years of related experience **Job Description:** ** Senior Linux System Administrator ** The position is for ... the Senior Linux System Administrator responsible for the servers that process data from a global network of buoys, managed by the National Data Buoy Center… more
    General Dynamics Information Technology (12/04/25)
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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 **National Security Sector's (NSS) 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 (10/09/25)
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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 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 (10/09/25)
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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 ... perform system capacity analysis and planning. + Configure and manage Linux operating systems; install and maintain OS software; implement system enhancements… more
    ManTech (10/25/25)
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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 (10/14/25)
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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 (09/24/25)
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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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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... administration support for Linux operating systems including installing software, applying patches, managing...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... system availability, performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks using Ansible and Bash shell scripting + Troubleshoot hardware and software… more
    RTX Corporation (11/21/25)
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