• Senior Tier III Administrator

    General Dynamics Information Technology (Fort Meade, MD)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global Video ... **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and...diagnose and resolve complex issues, maintaining high availability and security of video services.** **Your role will also encompass… more
    General Dynamics Information Technology (12/11/25)
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  • Network and Computer Systems Administrator

    ManTech (Belcamp, MD)
    …security /authorization profiles, or system administration of Unix or Windows networks/systems + Experience monitoring network performance, identifying and ... **MANTECH** seeks a motivated, career and customer-oriented **Network and Computer Systems Administrator ** to join our team in **Belcamp, MD** . This is an onsite… more
    ManTech (12/10/25)
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  • Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... Paid Leave, and much more. **Join us and make a difference in National Security !** The Systems Administrator will be responsible for: + Provide support for… more
    Leidos (10/12/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Transport Services (ITS). Y421 transports critical data to protect US national security interests, the Warfighter, and civilians. Ultimately, US and Allied Forces… more
    CACI International (11/20/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Windows ** **Systems Administrator ** to join our team in **College Park, Maryland** . The position ... is part of a team that provides Windows Systems Administration support for an organization that is...+ Bachelor's degree computer science or a related area ** Security Clearance Requirements:** + TS/SCI w/ FSP **Physical Requirements:**… more
    ManTech (10/14/25)
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  • Systems Administrator 2

    Nightwing (Annapolis Junction, MD)
    …solutions in software development and systems engineering that address security challenges and strengthen our customers. Nightwing hires industry-leading ... technologies to expand cybersecurity solutions. Job Description: The Systems Administrator will provide support for implementation, troubleshooting and maintenance… more
    Nightwing (10/13/25)
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  • Account Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …**Skills:** Communication,Data Entry,Group Problem Solving,Microsoft Office **Certifications:** CompTIA - Security + - CompTIA - CompTIA **Experience:** 3 + years of ... related experience **Job Description:** Account Systems Administrator Transform technology into opportunity as a...3+ years of related experience * Required Technical Skills: Windows , Microsoft Office (Outlook, Word, Excel), Data Entry *… more
    General Dynamics Information Technology (01/05/26)
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  • System Administrator

    Systems Technologies, Inc. (Hanover, MD)
    System Administrator Location Hanover, MD Job Setting On-site Job Category Information Assurance Apply Now ... (https://phh.tbe.taleo.net/phh04/ats/careers/v2/applyRequisition?org=SYSTEK&cws=42&rid=1146) SYSTEM ADMINISTRATOR The company is seeking junior, mid-level, and senior… more
    Systems Technologies, Inc. (12/02/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux System ... Administrator is responsible for leading system administration activities. This...risk management requirements. + Ensure systems meet ARL performance, security , and reliability standards. + Install, configure, and maintain… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …intelligence community, defense, civil, and commercial markets. The Systems Administrator will provide support for implementation, troubleshooting and maintenance of ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Nightwing (12/22/25)
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