• Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. ... + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role ensures that all systems, applications, and security… more
    DirectEmployers Association (11/01/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    DirectEmployers Association (09/30/25)
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  • Fannie Mae (Reston, VA)
    …* Familiarity with Splunk Enterprise Security (ES) * Solid background in Linux /Unix system administration. * Scripting skills (Python, Bash, or PowerShell). * Strong ... problem-solving skills. *Desired Experiences* * Splunk Core Certified Power User, Administrator , Architect, or ES certification(s) * Experience with cloud platforms… more
    DirectEmployers Association (10/23/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …An active TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid cloud or multi-cloud ... of networking in Kubernetes/OpenShift environments + Familiarity with Red Hat Enterprise Linux (RHEL) or CentOS + Strong analytical and problem-solving skills with a… more
    DirectEmployers Association (09/11/25)
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  • 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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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …framework as the basis for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support ... None **Job Family:** IT Infrastructure and Operations **Skills:** Disaster Recovery (DR), Linux ,Red Hat Ansible,Red Hat Enterprise Linux (RHEL),Security Technical… more
    General Dynamics Information Technology (11/08/25)
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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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  • 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 (11/01/25)
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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

    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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  • Linux /UNIX Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …mission focused. This ideal candidate is ready to operate as a TIER 3 level Linux Administrator , experienced in managing large amounts of data and storage at ... Deliver innovative, simple solutions to complex problems as a Linux /UNIX Systems Administrator at GDIT. Here, you'll tailor cutting-edge solutions to the… more
    General Dynamics Information Technology (10/11/25)
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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 (08/28/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... being assembled by CACI, Inc! We have an opening for a ** Linux Systems Administrator ** with an active TS/SCI w/Polygraph clearance. If you thrive in a… more
    CACI International (10/29/25)
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  • Senior Linux Systems Administrator

    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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  • 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

    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 (08/23/25)
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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 ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (10/22/25)
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  • Linux Systems Administrator

    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 ... in place of a degree + 3+ years of experience with Linux operating systems, including installations, maintenance, and troubleshooting + Experience in maintaining… more
    Parsons Corporation (11/08/25)
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