• Senior Systems Administrator 10k…

    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 ... make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • System Administrator

    CACI International (Laurel, MD)
    …operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to ... System Administrator Job Category: Information Technology...operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Optimize system… more
    CACI International (11/20/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    …availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/27/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …troubleshooting, and maintenance of IT systems . + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile ... 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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  • Senior Linux System Administrator

    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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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... System Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA)...and provide technical support for diverse software and hardware systems assisting in the defense of our nation. We… more
    Athenix Solutions Group, LLC (10/23/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …Maintain extensive knowledge of diverse IT systems and network architectures, including high-volume/high-availability infrastructures. + Ensure system ... exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance of… more
    Competitive Range Solutions, LLC (11/06/25)
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  • System Administrator (SA) 2…

    Amentum (Columbia, MD)
    …manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintain integrity and configure network components ... 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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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to ... can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and… more
    SAIC (11/17/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability and ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our...server environments. + Proven experience with patching and configuring systems , ensuring up-to-date security and optimal system … more
    ManTech (09/05/25)
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