• 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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  • 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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  • 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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  • 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 - 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 /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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  • 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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  • 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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  • 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 (09/10/25)
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  • Sr. System Administrator ( Linux )

    Nightwing (Sterling, VA)
    …and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as a key member of the EINSTEIN ... support for the deployment, configuration, and sustainment of Red Hat Enterprise Linux (RHEL)-based systems across multiple federal data centers. This position is… more
    Nightwing (10/29/25)
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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 Poly

    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 (08/23/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …and mission focused. This ideal candidate is ready to operate as aTIER 3 level Linux Administrator , experienced in managing large amounts of data and storage at ... Linux Engineer Location: Springfield, VA, US Job ID:...Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -Experience withAnsible -… more
    Arena Technical Resources, LLC (10/14/25)
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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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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …of Travel: None * * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full ... Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full...experience with multiple cloud platforms, automation technologies, and with Linux system administration. The successful candidate will ensure the… more
    CACI International (09/26/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform ... and development of metrics to drive IT improvements. + Deliver Linux (RHEL, Ubuntu, Debian) administration experience, including package management, security… more
    Nightwing (09/26/25)
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  • System Support-US Citizens Only - TS/SCI FS Poly…

    The Metamorphosis Group (Chantilly, VA)
    …officer with security-controlled systems. + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... storage area networks (SANs), encryption devices, as well as Windows and LINUX servers. The Contractor shall provide O&M support for the Sponsor's system… more
    The Metamorphosis Group (11/08/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation tier(s) for the Server O&M team ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to… more
    V2X (11/15/25)
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  • Linux Sys Admin - TS/SCI CI Poly

    Insight Global (Springfield, VA)
    Job Description Seeking a Systems Administrator to join a high-performing team at the heart of an important US government function which helps the nation meet its ... national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting a high visibility system… more
    Insight Global (11/15/25)
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