• System Administrator- Linux

    Leidos (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... updating, and upgrading Linux Operating Systems (OS). + Must have...+ Must be able to respond to emergency system administration , operations, and maintenance problems, on a limited as-needed… more
    Leidos (01/06/26)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …and remains involved in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP),...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Provides support to IT systems including… more
    Assertive Professionals (12/25/25)
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  • Senior Linux System Administrator

    GovCIO (Annapolis, MD)
    …use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + Advanced systems troubleshooting skills ... systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other standard Linux administration duties will be included in this role. +… more
    GovCIO (11/07/25)
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  • Linux Administrator, Senior

    Amentum (Baltimore, MD)
    …have active Top-Secret clearance with SCI and Poly * At least 9 years of Linux Administration experience * Bachelor's Degree in a technical discipline, or an ... and remains involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots,… more
    Amentum (01/06/26)
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  • Linux Administrator, Senior

    Amentum (Hanover, MD)
    …have active Top-Secret clearance with SCI and Poly * At least 9 years of Linux Administration experience * Bachelor's Degree in a technical discipline, or an ... and remains involved in the 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 System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …complexity is required. + Must have at least 6 years of experience with Linux server administration (RHEL and/or CentOS) in an enterprise environment (including ... Will need to be available to respond to system administration and maintenance problems while off duty, on an...Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware,… more
    Belay Technologies (01/04/26)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …for a degree. + 20+ years of related experience in systems administration or IT operations. + Experience with Linux , including installation, configuration, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS… more
    ManTech (12/24/25)
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  • Systems & Database Administrator

    CACI International (Suitland, MD)
    …this dynamic role, you'll utilize your diverse skill set across software development, Linux systems engineering, database administration , cloud services, and ... a seasoned Full Stack Engineer with a passion for systems and database administration ? We have an...Platform Engineering:** + Administer and maintain Red Hat Enterprise Linux (RHEL) systems . + Perform command-line operations,… more
    CACI International (12/17/25)
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  • Senior Systems Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    … to ensure optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems ... Overview BigBear.ai is seeking a Senior Systems Engineer with an active TS/SCI Poly to...Proficient with Linux . Minimum of 2 years Linux system administration experience. + Experience with… more
    BigBear.ai (12/30/25)
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  • Principal/Sr Principal HPC Systems Engineer

    Northrop Grumman (Jessup, MD)
    …lifecycle + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + ... + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong… more
    Northrop Grumman (12/05/25)
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