• Mid/ Senior System

    Belay Technologies (Annapolis Junction, MD)
    …manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . The SA manages IT systems including… more
    Belay Technologies (11/19/25)
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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) Cyber & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that... for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support… more
    Leidos (10/09/25)
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  • (Mid. or Senior ) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...extending IAVA patches and security updates on IT and network systems . + Must be committed to… more
    Belay Technologies (10/01/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. ... active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (10/08/25)
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  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides ... manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components… more
    Belay Technologies (11/19/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of...ServiceNow with other applications is required Desired: + ServiceNow System Administrator certification + DoD 8570 compliance… more
    SAIC (11/06/25)
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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, ... troubleshooting, and maintenance of IT systems , as well as manage IT system ...maintenance of IT systems . + Manage IT system infrastructure and processes related to client/server/storage/ network more
    ManTech (10/14/25)
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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 ... support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes.… more
    ManTech (10/25/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …challenging, exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, ... Maintain extensive knowledge of diverse IT systems and network architectures, including high-volume/high-availability infrastructures. + Ensure system more
    Competitive Range Solutions, LLC (11/06/25)
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