• Linux / Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux / Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... CWIP: IAT Level II Certification, IA Baseline Certification in Linux , Unix, Windows , or Cisco OS operating...established Standard Operating Procedures (SOPs). + Build and configure Windows Server 2019 and 2022 systems from… more
    COMSO, Inc (11/27/25)
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  • Senior Linux Systems

    Leidos (Arlington, VA)
    …+ Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured ... The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the...and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator ,… more
    Leidos (12/20/25)
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  • Systems Administrator II Generalist…

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

    BAE Systems (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... Skills** + Must have experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have...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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  • 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 ... 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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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (11/19/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical ... hardware, software, and system components. + Perform as a Linux systems administrator for a...in a networked environment. + Experience deploying and managing Windows Server operating systems . + Experience administering… more
    Northrop Grumman (01/06/26)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... **Description** **System Administrator - Linux ** **Leidos** has a...experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have… more
    Leidos (01/06/26)
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  • Sr. Systems Administrator

    Themis Insight (Fort Meade, MD)
    …and Private, Civilian and Military expertise to every case. We are hiring a Sr. Systems Administrator ( Linux ) to work in Fort Meade, MD. Position location ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    Themis Insight (12/19/25)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …similar enterprise vendors. + Must have experience in or familiarity with the following systems : Windows / Linux operating systems , VMware, VSphere and ... finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides...resolution process. The SA configures and manages UNIX and Windows operating systems and installs/loads operating system… more
    Belay Technologies (01/04/26)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a **Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team ... entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment. Candidate should be… more
    Leidos (12/30/25)
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  • Linux System Administrator - US…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …working with automated CI/CD pipelines. * Troubleshooting Skills: Strong ability to troubleshoot Windows and Linux operating systems . * Security and ... ** Linux System Administrator - US Citizenship...years of experience Unix system administration * Proficiency in Linux systems troubleshooting. * Experience in patch… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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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 ... 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 (11/26/25)
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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. ... the DoD Certification/ Accreditation process + Ability to install Windows software and hardware applications; upgrade systems ...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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  • Senior Linux System Administrator

    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 Linux ... 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 Administrator

    ManTech (Fort Meade, MD)
    …resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance ... ManTech seeks a **Senior Linux System Administrator ** to join our...systems administration or IT operations. + Experience with Linux , including installation, configuration, troubleshooting, and maintenance. **Security Clearance… more
    ManTech (12/24/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …5 additional years' experience might be substituted for a degree. + Heavy Windows and Linux administration experience + Highly proficient with Active Directory ... **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the Fort Meade, MD area.… more
    ManTech (12/30/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …a Systems Administrator or similar role + Strong experience with Linux and Windows -based systems administration. + Knowledge of cloud platforms (AWS, ... teams. WHAT YOU WILL DO: Duties and Responsibilities: + Enterprise Authorization: Integrate Linux Systems into a primary Windows environment (workstations &… more
    General Dynamics Information Technology (01/05/26)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …**Job Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT) Systems , Linux ,Microsoft Windows ,Operating Systems (OS),Software ... will provide hands-on administration and operational support for Windows and Linux environments across both enterprise and fielded systems . This role… more
    General Dynamics Information Technology (12/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …ensure today is safe and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure experience to manage ... SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will... patching in an operational environment + Ensure all Linux and Windows -based systems are… more
    General Dynamics Information Technology (12/06/25)
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