• Systems Administrator

    Guidehouse (Bethesda, MD)
    …performance monitoring, etc. + Implement and enforce DISA STIG compliance across all systems and networks + Develop server builds for virtual and physical ... **Job Family** **:** Systems Engineering **Travel Required** **:** None **Clearance Required**...Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation,… more
    Guidehouse (12/10/25)
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  • Systems Support Administrator

    Pearson (Baltimore, MD)
    **Position Summary:** Pearson Virtual Schools (PVS), is hiring a Systems Administrator , local to Baltimore Maryland, who will join the team who manages our ... internal and external customers + Administer and troubleshoot Windows (workstation and server ), ChromeOS and ChromeOS Flex operating systems , laptop computers,… more
    Pearson (01/08/26)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join the team in **Hanover, MD** . Our team delivers enterprise ... **Minimum Qualifications:** + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs...Active Directory and networking + Proven experience as a System Administrator or Cloud Engineer with practical… more
    ManTech (12/24/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented **Senior** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure ... **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs...Active Directory and networking + Proven experience as a System Administrator or Cloud Engineer with practical… more
    ManTech (12/24/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …(Required): + CompTIA Security+ CE or CompTIA Server + CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must meet DoD 8750 ... Senior Linux System Administrator Clearance Required: Top Secret...standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting, and maintenance support for complex Information ... processes that ensure optimal performance and reliability across client, server , storage, network, and mobile systems . You...minimum of twenty (20) years of experience as a System Administrator (SA) on programs and contracts… more
    Kaizen Approach, Inc (11/11/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of...a related computer science field + Able to perform server STE/STN Compliancy (ex., NESSUS, MacAfee Agents) and perform… more
    ManTech (12/31/25)
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  • Systems and Database Administrator

    CACI International (College Park, MD)
    Systems and Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... and other information access solutions who ideally has experience supporting system Operation and Maintenance in a customer environment. This on-site support… more
    CACI International (01/14/26)
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  • Systems Administrator

    Leonardo DRS, Inc. (Frederick, MD)
    …www.leonardodrs.com . **Job Summary** In this role you will perform network and system administration duties for Leonardo DRS's on-premesis systems and networks. ... and technical skills to administer and harden servers, databases, and other system components. This position is a full-time, hybrid opportunity based in Frederick,… more
    Leonardo DRS, Inc. (12/23/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manage IT system infrastructure and...a degree. + 15+ years of experience as a System Administrator or related experience in programs… more
    ManTech (12/24/25)
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