• 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 ... , system, database infrastructure. Our infrastructure is a multi-site network cluster of Windows, Linux servers, SQL...and Networking areas. Experience Junior levels: 2+ year experience Senior levels: 5+ years' experience Location This is a… more
    job goal (12/03/25)
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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 will support our ... 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 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 ... Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator... Administrator Overview: S4 is seeking an experienced Senior Unix/ Linux OS Administrator to… more
    S4 Inc. (10/08/25)
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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...attributes, such as permissions, encryption, access control lists, and network file systems + Deploy, configure, and maintain systems,… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • Senior Linux Systems…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    Linux Systems Administrator to join our team in Dahlgren, VA. The Senior Linux Administrator is responsible for system administration and customer ... **Overview** SENIOR LINUX SYSTEMS ADMINISTRATOR :...potentially clustered systems operating in both unclassified and classified network environments. + Analysis, design, and implementation of modifications… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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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 ... Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and systems within a… more
    EPS Corporation (11/13/25)
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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, ... Servers from scratch and designing complex Active Directory environments. + Senior -level experience with Linux system administration, networking, security… more
    ManTech (11/05/25)
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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 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...for the servers that process data from a global network of buoys, managed by the National Data Buoy… more
    General Dynamics Information Technology (12/04/25)
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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...Senior Linux /Unix Administrator to join our team in...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (12/04/25)
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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 ... and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. +...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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  • 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 ... If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join...operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides support for the… more
    Amentum (11/21/25)
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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 & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (10/09/25)
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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 System…

    GovCIO (Madison, WI)
    …referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience… more
    GovCIO (11/07/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …practices. + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems, storage systems, network and VMs. + The ... data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data group, is… more
    Mount Sinai Health System (09/22/25)
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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…

    RTX Corporation (Marlborough, MA)
    …join the Receiver Exciter and Processing Architecture (REPA) Department as a specialized Linux System Administrator . The team's primary goal is to design, ... on land and sea. This position is intended to split time between Linux system administration of these platforms and supporting testing of specialized hardware.… more
    RTX Corporation (11/22/25)
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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 ... day-to-day operations and monitoring, and resolve issues related to client/server/storage/ network devices and mobile systems. + Escalate and communicate status… 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, ... of IT systems. + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile devices. + Perform Tier 1 (Help Desk) and… more
    ManTech (10/14/25)
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