• 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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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Elkridge, MD)
    …Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system software, patches, and configures ... for you to join our team as a **Cyber Systems Administrator ** based out of **Elkridge, MD**...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manages IT system infrastructure and… more
    Northrop Grumman (01/01/26)
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  • Systems Administrator w/Poly

    BigBear.ai (Hanover, MD)
    Overview BigBear.ai is seeking a System Administrator to support mission critical application and systems in support of multiple Identity, Credential and ... (ICAM) projects. The selected candidate will serve in a System Administrator role to keep the ...and Windows. + Skilled in creating/updating documentation and diagrams ( System Security Plans, Security CONOPS,… more
    BigBear.ai (12/17/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & ... Paid Leave, and much more. **Join us and make a difference in National Security !** **Job Summary:** Systems /Network administrator will provide support for… more
    Leidos (12/20/25)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    …Oversee the full certificate lifecycle, ensuring systems adhere to security and compliance standards. + ** System Updates:** Perform software updates, ... Cloud Systems Administrator Job Category: Information Technology...platforms, including OpenStack, AWS, and VMware, all while supporting Linux VMs. + **Continuous Learning:** Dive deep into VM… more
    CACI International (10/16/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …be part of a small team of system administrators ensuring the stability, security , and efficiency of our systems . This position will support a mission ... of HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team...of system administrators to maintain the reliability, security , and efficiency of our systems +… more
    Huntington Ingalls Industries (11/25/25)
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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 ... support of maintenance, developing and testing of information technology systems + Administration of Linux (ie, Redhat/Rocky...updates, IAVAs, and configuration changes) + Able to perform system administration on Linux Redhat 8/Rocky 8… more
    ManTech (12/31/25)
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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 (12/16/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    System and Network Administrator The Opportunity: A well-designed network is critical to move data and enable organizations to achieve their missions, but how ... complex network issues, analyze current working infrastructures, and increase security , reliability, and availability for mission-critical network systems .… more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Sr. IAM Administrator (IT@JH Enterprise…

    Johns Hopkins University (Baltimore, MD)
    …solutions. The Sr. IAM Administrator plays a critical role in maintaining the security and efficiency of IAM systems , contributing to the overall security ... well as the use of digital certificates to enhance security . The Sr. IAM Administrator supports the...MS SQL Server Administration + Windows Server Administration + Linux Server Administration Classified Title: Sr. IAM Administrator more
    Johns Hopkins University (11/20/25)
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