• 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 ... Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security,… more
    DirectEmployers Association (11/25/25)
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  • Sr . Systems Administrator

    Themis Insight (Fort Meade, MD)
    …We bring Public and Private, Civilian and Military expertise to every case. We are hiring a Sr . Systems Administrator ( Linux ) to work in Fort Meade, MD. ... support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    Themis Insight (12/19/25)
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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...and analytical skills. * Excellent communication and teamwork skills. Senior : * Education and/or Experience: Bachelor's degree and/or 5… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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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) ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (10/09/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual...updating, and upgrading Linux Operating Systems (OS). + Must have… more
    Belay Technologies (11/07/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …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 Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps… 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... Senior Systems Administrator Job Category: Information Technology...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and… more
    CACI International (10/08/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …Server platforms, but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation ... complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server… more
    V2X (11/15/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …system (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 required .… more
    Arena Technical Resources, LLC (10/25/25)
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  • Principal/ Sr . Principal HPC System…

    Northrop Grumman (Jessup, MD)
    …mission! Northrop Grumman Mission Systems (NGMS) is seeking a **Principal or Sr . Principal HPC System Administrator ** . This position is located at ... req and can be filled as a Principal or Sr . Principal HPC System Administrator ** Basic Qualifications...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge… more
    Northrop Grumman (12/05/25)
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  • Sr . Administrator (Azure,…

    System One (Alexandria, VA)
    Job Title: Sr . Administrator Location: Alexandria, Virginia Type: 6 + months Contract To Hire Contractor Work Model: Onsite (with some flexibility) Security ... Clearance: Secret Clearance US Citizenship Required We are seeking a Sr . Administrator with strong hands-on experience in Microsoft Azure and Red Hat… more
    System One (12/18/25)
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  • Senior Linux Administrator

    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...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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  • Sr . System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …some unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both ... Raytheon currently has an opening for a temporary System Administrator to perform onsite in our Annapolis Junction, Maryland...deleting user accounts and groups as well as integrating Linux systems into an Active Directory environment… more
    RTX Corporation (11/19/25)
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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...remains involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system… more
    Amentum (11/21/25)
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  • Senior Linux System…

    GovCIO (Washington, DC)
    …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) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and… more
    GovCIO (11/07/25)
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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 ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Linux System…

    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 (12/11/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... perform system capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS software; implement system enhancements to… more
    ManTech (10/25/25)
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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, ... capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load,...Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software for improved… more
    ManTech (10/14/25)
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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 **National ... respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations....systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must… more
    Leidos (11/19/25)
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