• MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of telecom Billing and Operational ... 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 (12/12/25)
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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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  • 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

    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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  • 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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  • 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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  • 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 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 (12/11/25)
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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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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission 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 all over the… more
    Arena Technical Resources, LLC (11/29/25)
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