• 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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  • 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 (Columbia, MD)
    **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 (09/26/25)
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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 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 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 System…

    GovCIO (Washington, DC)
    …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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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end ... software, systems, and network engineering services to support Integrated Discovery Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps architecture, often based on open-source technology and not relying on corporate baselines, to… more
    ARSIEM (10/30/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a strong ... background in Linux system administration, Azure cloud environments, and scripting. You...that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available programming… more
    Insight Global (12/04/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting ... Senior Systems Administrator Job Category: Information...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating… more
    CACI International (10/08/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …with current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and ... focused. This ideal candidate is ready to operate as aTIER 3 level Linux /UNIX Administrator , experienced in managing large amounts of data and storage at sites… more
    Arena Technical Resources, LLC (11/29/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... Full Time **Position Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities… more
    Leidos (11/19/25)
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  • Jr./Mid-Level Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual will be responsible for ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other Responsibilities… more
    Belay Technologies (11/07/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... critical DoD system? Join our team as a Systems Administrator ! You will get to use your technical skills...schedule. + Work independently with minimal guidance from more senior technical staff. **Required:** + Active Top Secret or… more
    CACI International (10/18/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, ... better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the...Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud… more
    General Dynamics Information Technology (09/16/25)
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  • Senior Database Administrator

    Leidos (Camp Springs, MD)
    **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... integrate automation, cloud, hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key member of the Hosting… more
    Leidos (12/06/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based Systems ... incentives may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/09/25)
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