• Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT ... Summary:** MC Dean is seeking a highly competent TS/SCI with Polygraph cleared **Network Administrator 3** to assist on the design and maintenance of its network of… more
    M. C. Dean (07/26/25)
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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    System Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is looking for a ... storage or remote storage + Maintaining inventory of infrastructure hardware + Implementing security best practices and applying security patches + Providing IT… more
    Athenix Solutions Group, LLC (07/24/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a **System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, troubleshooting, and ... capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability… more
    ManTech (07/15/25)
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  • Lead Systems Administrator 3

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring a Lead Systems Administrator 3 for an exciting upcoming Cyber Operations contract award to support contracts that provide enterprise ... work products in each of the ISO/IEC 15288Project and Technical Process Area Experience with Windows and Linux What we'd like you to have Must work well in a team… more
    BigBear.ai (06/30/25)
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  • System Administrator Level 3

    General Dynamics Information Technology (Annapolis Junction, MD)
    …in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains ... management, implementation, and sustainment of compliance with applicable system security controls. + Provide support to IT systems including day-to-day… more
    General Dynamics Information Technology (07/23/25)
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  • System Administrator (SA2) with Poly

    Lockheed Martin (Annapolis Junction, MD)
    …involved in the resolution process\. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains ... experience in trouble\-shooting IT systems Configure and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system… more
    Lockheed Martin (07/24/25)
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  • Modernization Cyber Systems Administrator

    Lockheed Martin (Hanover, MD)
    …use of advanced electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the ... experience\. **Desired Skills:** Capabilities: * Configure and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system… more
    Lockheed Martin (07/12/25)
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  • Sr. System Administrator

    Leidos (Odenton, MD)
    …detailed documentation and maintains standard operating procedures. + Application of security settings and other commercial best + Provides coaching and reviewing ... and/or 12+ years of overall related experience with a Windows /Linux server environment. Additional experience, education and training may...VDI practices + Currently possess an active Top Secret security clearance with the ability to obtain a Top… more
    Leidos (07/22/25)
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  • PMK - System Administrator Level 1

    Stratus Solutions (College Park, MD)
    …Insight enhances the ability of federal government customers to preserve national security , deliver justice and serve the public with advanced technologies and ... be a key contributor in resolving technical challenges within Linux and Windows environments through various channels, including phone, email, chat, and ticketing… more
    Stratus Solutions (08/08/25)
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  • System Administrator ( All Levels)

    Lentech, Inc (Fort Meade, MD)
    …interested in tackling some of the nation's most critical challenges in systems security and vulnerability? Would you consider joining a leading team dedicated to ... in the resolution process. . Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Lentech, Inc (07/08/25)
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