• Applied Research Associates, Inc. (Herndon, VA)
    …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... Requirements:** + **Must be a US citizen with an active TS/SCI security clearance** + Bachelors degree in a...TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
    DirectEmployers Association (09/11/25)
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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …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....DoD 8140 compliance required + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities:** Highly… more
    General Dynamics Information Technology (11/01/25)
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  • Senior Linux Systems

    The Boeing Company (Fairfax, VA)
    …Specialized United States Infrastructure Operations (SUSIO) group is currently seeking a **Senior Linux Systems Administrator ** to join the team in ... Fairfax, VA;** or **Chantilly, VA** . As a Senior Linux Administrator , you will play a crucial...+ Troubleshoot and resolve complex technical issues related to Linux systems , with a focus on security… more
    The Boeing Company (11/19/25)
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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 ... Develop and maintain backup and disaster recovery plans for Linux systems . + Patch Management: Manage the...clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing… 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 ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of… more
    BCMC (10/16/25)
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  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …General Dynamics Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to ... consists of a hybrid mix of **Windows and Red Hat Enterprise Linux (RHEL) systems .** **Key Responsibilities:** + Perform administrative support for… more
    General Dynamics Information Technology (10/14/25)
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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 ... a critical DoD system? Join our team as a Systems Administrator ! You will get to use...in system design, development, and production support of large applications/ systems . + Windows and Linux server system… more
    CACI International (10/18/25)
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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 ... be accepted in place of a degree + 3+ years of experience with Linux operating systems , including installations, maintenance, and troubleshooting + Experience in… more
    Parsons Corporation (11/08/25)
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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...Level Requirements:** + Must have a minimum of an active Secret clearance at time of interview and candidate… more
    General Dynamics Information Technology (10/25/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …* Knowledge of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified ... Linux Administrator Job Category: Information Technology...team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national… more
    CACI International (11/13/25)
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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. ... and resolution of problems + Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for...required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD… 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...continuous system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS/SCI with FSP US Veterans Preferred **ABSOLUTELY NO… more
    The Metamorphosis Group (09/10/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS… more
    Nightwing (08/28/25)
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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 ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …**Preferred Qualifications:** + Experience/familiarization with full lifecycle management of Linux systems , to include provisioning, configuration management and ... **Mantech** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our...but are not limited to:** + Configure and manage Linux operating systems . Installs/loads operating system software,… more
    ManTech (11/21/25)
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  • Linux System Administrator with Poly

    Parsons Corporation (Centreville, VA)
    …of deployed systems . This role includes system design, configuration, and debugging of Linux systems . Note: this is a full time in-office role. **What You'll ... your talent and redefine what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a passion for… more
    Parsons Corporation (11/21/25)
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  • Linux Administrator - TS/SCI w/ Poly…

    V2X (Chantilly, VA)
    …integrating, and maintaining new and upgraded versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration ... server hardware components where necessary + Designing interfaces to external systems + Troubleshooting operating system problems, and collaborating with other teams… more
    V2X (11/08/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to ... is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain... Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level… more
    V2X (11/15/25)
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  • Fidelis Administrator - Active

    ENS Solutions (Washington, DC)
    …and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active Directory to manage Windows ... manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in...degree and 3+ years of experience as a system administrator + Active DoD 8570 IAT Level… more
    ENS Solutions (09/12/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing… more
    General Dynamics Information Technology (09/16/25)
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