• AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management ... needed. The ideal candidate has a strong foundation in Linux system and network administration with a...systems + Routine monitoring and integrity verification of system backup + Conduct periodic vulnerability scans to ensure… more
    DirectEmployers Association (12/24/25)
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  • AeroVironment (Germantown, MD)
    …Technical Expertise. + Deep understanding of Windows, macOS, mobile device operating systems , and working knowledge of Ubuntu/ Linux workstations. + Strong ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… more
    DirectEmployers Association (01/06/26)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (11/25/25)
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  • 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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  • Senior Linux Systems

    Leidos (Arlington, VA)
    …ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator more
    Leidos (12/20/25)
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  • Senior Linux System

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for ... Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware,...duty, on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities:… more
    Belay Technologies (01/04/26)
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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 (11/21/25)
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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 (01/08/26)
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  • Senior Linux System

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... troubleshooting, and maintenance of IT systems , as well as manage IT system ...and system planning. + Configure and manage Linux and Windows operating systems ; install, load,… more
    ManTech (12/24/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join...resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots,… more
    Amentum (11/21/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …5 + 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...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (10/25/25)
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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 (11/07/25)
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  • Senior Linux System

    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 ... + Configure and manage Linux (Rocky) operating systems . Installs/loads operating system software, troubleshoots maintains...Bachelor's degree. + 15+ years of experience as a System Administrator or related experience in programs… more
    ManTech (12/25/25)
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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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  • 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 (01/07/26)
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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 (11/29/25)
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  • Linux System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... location. The qualified Systems Administrator will support a very dynamic...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability… more
    Nightwing (12/20/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** ** System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a ** System Administrator - Linux ** in our ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must… more
    Leidos (01/06/26)
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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. (12/31/25)
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  • Mid-Level Linux Administrator

    BAE Systems (Annapolis Junction, MD)
    … and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities ... security scanning for equipment suites in accordance with the System Security Plans for these systems to...available based on position level and/or job specifics. **Mid-Level Linux Administrator ** **119897BR** EEO Career Site Equal… more
    BAE Systems (01/08/26)
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