• 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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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …Join our dynamic team and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in ... 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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  • 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

    Parsons Corporation (Centreville, VA)
    …your talent and redefine what's possible. **Job Description:** Are you a skilled ** Linux Systems Administrator ** looking to work on mission-critical systems in a ... dynamic environment? Parsons is seeking a mid-level Linux Systems Administrator to support Linux -based workstations and servers in both physical and virtual… more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …your talent and redefine what's possible. **Job Description:** Are you a skilled ** Linux Systems Administrator ** looking for an opportunity to work on ... mission-critical systems? Parsons is seeking a mid-level Linux Systems Administrator to support both Linux -based workstations and servers in physical and… more
    Parsons Corporation (12/20/25)
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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

    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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  • Senior 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 ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (12/11/25)
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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 ... accepted in place of a degree + 3+ years experience with Linux operating systems, including installations, maintenance, and troubleshooting + Experience in… more
    Parsons Corporation (10/18/25)
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  • Senior Linux System Administrator

    Leidos (Fairfax, VA)
    …well as IT Infrastructure Operations and Engineering support. Leidos is hiring a Senior Linux System Administrator to provide on-site support in Fairfax, VA at ... Qualifications** Bachelor's Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8 and RHEL9. High school diploma with… more
    Leidos (12/12/25)
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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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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible for maintaining, scheduling, executing software and hardware upgrades, patches, and reconfigurations,… more
    The Metamorphosis Group (12/10/25)
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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 -Senior…

    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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  • 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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