• MacOS Systems Administrator

    Leidos (Baltimore, MD)
    **Description** Leidos is seeking a **MacOS System Administrator ** to be part of the mission solution and help lead SSA's Digital Modernization Strategy. Join ... and problem diagnosis/resolution + Extensive knowledge of Mac OS operating systems , system configurations, and troubleshooting. + Knowledge of network… more
    Leidos (11/03/25)
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  • System Administrator

    General Dynamics Information Technology (Annapolis Junction, MD)
    …process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, implementing operating ... Provide configuration management, implementation, and sustainment of compliance with applicable system security controls. + Perform periodic vulnerability scans… more
    General Dynamics Information Technology (11/08/25)
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  • System Administrator

    TekSynap (Bethesda, MD)
    …by performing any necessary upgrades and repairs. + Planning a strategy to maintain system security on the computers and thenetwork as a whole. + Optimizingand ... may be substituted for degree requirements. **Overview** We are seeking a ** System Administrator ** to perform various activities to support the success… more
    TekSynap (09/16/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... with a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring… more
    Synergy ECP (10/15/25)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR ... knowledge of backup and disaster recovery technologies + Strong understanding of system security principles and experience executing hardening techniques +… more
    JHNA (08/26/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software for improved ... ManTech seeks a **Senior Linux System Administrator ** to join our team...provide support for implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system more
    ManTech (10/14/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …Proven experience with patching and configuring systems , ensuring up-to-date security and optimal system performance. + Practical experience with ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our...standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience with… more
    ManTech (09/05/25)
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  • System Administrator (Mfahd)

    CACI International (Fort Meade, MD)
    …a total of 7 years' experience _Desired:_ + Expertise with Windows Operating Systems + Understanding of computer security principles + Ability to work in a ... System Administrator (MFAHD) Job Category: Information...can transfer this and other related data to source systems for follow on + processing. **Qualifications** _Required_ +… more
    CACI International (11/14/25)
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  • System Administrator (SA) 2…

    Amentum (Columbia, MD)
    …process. + Configure and manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintain integrity and ... If so, look no further. We are seeking a System Administrator 2 to join our team...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manage IT system infrastructure and any… more
    Amentum (09/22/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, ... system administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and… more
    ENS Solutions (09/27/25)
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