• Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …HII! Where Hard Stuff is Done Right! We are seeking an experienced Patching and Linux Administrator III to join our infrastructure team. This role requires deep ... and system administration across multiple operating systems, including Red Hat Enterprise Linux (RHEL), Ubuntu, and macOS. The ideal candidate will be responsible… more
    Huntington Ingalls Industries (11/14/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: None * * * We are seeking a highly skilled and motivated Linux Administrator to join our Federal IT Operations team. The successful candidate will manage… more
    CACI International (11/13/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... worldwide to support the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially be located in either **Springfield, VA,… more
    CACI International (11/10/25)
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  • Senior Linux Administrator Team Lead

    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 file systems, monitoring performance, and… more
    General Dynamics Information Technology (10/25/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... opportunity to make a personal impact as a ** Linux ** **Systems Administrator ** with GDIT. A career in systems administration means connecting and enhancing the… more
    General Dynamics Information Technology (12/05/25)
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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 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to ... a TS/SCI clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing and maintaining Linux servers (eg,… more
    Nightwing (11/18/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of experience with Splunk Enterprise administration and… more
    BCMC (10/16/25)
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  • Senior Linux System Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …,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...maintains its Authority to Operate (ATO). * Maintain all Linux -based servers and clients located on premises and in… more
    General Dynamics Information Technology (12/04/25)
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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...and production support of large applications/systems. + Windows and Linux server system administration experience. + Ability to work… more
    CACI International (10/18/25)
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  • Senior Linux System Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position ... USD $135,000.00 /Yr. Submit a 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) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... to obtain DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and iOS experience. - Must be able to… more
    Nightwing (11/26/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (12/04/25)
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  • Senior Linux System Administrator

    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 Linux ... (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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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux ... may be accepted in place of a degree + 15+ years experience with Linux operating systems, including installations, maintenance, and troubleshooting + Must be a US… more
    Parsons Corporation (12/06/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... type and complexity is required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD 8140 required within 60 days… more
    ManTech (11/26/25)
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  • Linux Unix Systems Administrator

    Lumen (Washington, DC)
    …we digitally connect the world and shape the future. **The Role** As the Linux /Unix Systems Administrator , you will be responsible for managing and maintaining ... the Voice Core Engineering and Test Teams' Linux and Unix-based systems. Your primary focus will be...to support the Team. You'll provide technical expertise in Linux /Unix systems administration, Oracle SQL and PostgreSQL database management,… more
    Lumen (12/03/25)
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  • Linux Administrator - TS/SCI w/ Poly…

    V2X (Chantilly, VA)
    …versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration baselines + Applying all appropriate security ... configuration and all other areas of responsibility **Qualifications:** + Strong Linux administration experience + Experience working in an organization with… more
    V2X (11/08/25)
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  • Linux System Administrator with CI…

    Parsons Corporation (Centreville, VA)
    …what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a passion for mission excellence in our High ... This role includes system design, configuration, and debugging of Linux systems. Note: this is a full time in-office...role. **What You'll Be Doing:** + Configure and maintain Linux mission systems + Triage system alerts and initiate… more
    Parsons Corporation (11/21/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Desk/Systems Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along ... make configuration updates to ensure 99.999% system availability requirements. + Analyze Linux log data to effectively administer and maintain Oracle Identity and… more
    Leidos (11/15/25)
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