• Tyto Athene (Ashburn, VA)
    …Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for… more
    DirectEmployers Association (11/01/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for designing, implementing, maintaining… more
    DirectEmployers Association (09/11/25)
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  • Sr . System Administrator

    Nightwing (Sterling, VA)
    …to customer management and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as ... Linux administration, automation, and security hardening. The Senior System Administrator will ensure... (RHEL) systems . + Strong understanding of Linux networking, storage, system services, and security… more
    Nightwing (10/29/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for Linux ... (Bash, Ruby, Python, Perl, etc.) + General understanding of Linux internals ( system calls, file systems...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (08/09/25)
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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 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... analytics-helping to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help… more
    ManTech (08/30/25)
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  • Senior Linux System

    GovCIO (Washington, DC)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux - system - administrator ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with... Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills… more
    GovCIO (08/08/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (09/26/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information...critical DoD system ? Join our team as a Systems Administrator ! You will get to use your ... implement DevSecOps. We are looking for an experienced, resourceful ** Systems Administrator ** with the desire to be...system design, development, and production support of large applications/ systems . + Windows and Linux server … more
    CACI International (10/18/25)
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  • Senior Linux System

    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 ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... more about how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides… more
    Leidos (10/09/25)
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  • Field Engineer/ Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for a Field Engineer/ Linux Systems Administrator to support operational systems ... well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related...systems and applications. + Experience leveraging a ticketing system for support requests (JIRA, ServiceNow, etc.) + Must… more
    Huntington Ingalls Industries (08/08/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …on every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides ... end-to-end software, systems , and network engineering services to support Integrated Discovery...relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued… more
    ARSIEM (10/30/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and ... SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -… more
    Arena Technical Resources, LLC (10/25/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …to 10% Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, ... Senior Systems Administrator Job...manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    CACI International (10/08/25)
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  • Senior Systems Administrator

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

    Arena Technical Resources, LLC (Reston, VA)
    Sr . System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr . System Administrator Location: Reston, VA - ... SCIF Environment Eligibility: TS/SCI with CI Polygraph Job Description: The job duties of the Sr . System Administrator are as follows: * Plans, designs, and… more
    Arena Technical Resources, LLC (10/31/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …(DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . ... Sr . Systems Administrator Location:.... Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills… more
    Arena Technical Resources, LLC (10/25/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Sr Principal Windows Systems Administrator ** to join its dynamic ... limited to the following:** + Perform as a Windows System Administrator for a classified government contract....Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System more
    Northrop Grumman (10/31/25)
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  • Cyberstar Department of the Interior Indian…

    Chenega Corporation (Washington, DC)
    …(https://chenegamios.catsone.com/careers/81049-Chenega-MIOS-Portal/jobs/16595234-Service-Center-Technician-II/) Service Center Technician III Linux System ... V (https://chenegamios.catsone.com/careers/81049-Chenega-MIOS-Portal/jobs/16594644-Application-Specialist-V/) Application Specialist VI System Administrator III… more
    Chenega Corporation (10/22/25)
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