• Senior Database Administrator

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Senior Database Administrator / Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like ... on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and...amazingly talented people Job Description: GliaCell is seeking a Senior Database Administrator / Engineer on one… more
    GliaCell Technologies (11/06/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems ... across Windows platforms. The role ensures the performance, reliability, and security of infrastructure by managing staff, planning resources, and aligning… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Subcontracts Administrator

    UIC Government Services and the Bowhead Family of Companies (Aberdeen, MD)
    **Overview** Subcontracts Administrator (SUBK-2025-23894): Bowhead seeks a Senior Subcontracts Administrator to provide support for the preparation of ... interface with company management and staff as well as senior management of suppliers, team members and subcontractors. +...Must be able to twist, bend and squat periodically SECURITY CLEARANCE REQUIREMENTS:There are currently no Security more
    UIC Government Services and the Bowhead Family of Companies (12/17/25)
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  • MAC System Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a MAC System Administrator ( Senior -Level) to join our team at Aberdeen Proving Ground, MD. + ... Secret Clearance. + Non-remote (relocation incentive available) The MAC System Administrator will be responsible for maintaining macOS systems, managing updates,… more
    Link Solutions Inc (10/16/25)
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  • Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (10/09/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... IAM, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Administer and… more
    ManTech (12/10/25)
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  • Contracts Administrator - Level 3…

    Northrop Grumman (Linthicum Heights, MD)
    …Possible from the day you start. Northrop Grumman is currently seeking a **Contracts Administrator - Level 3 (Principal) or 4 ( Senior Principal)** , to join ... experience and exposure, all while supporting a mission that seeks to ensure the security of our nation and its allies? If so, then Northrop Grumman Space Sector… more
    Northrop Grumman (12/11/25)
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  • (Mid. or Senior ) Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual will be responsible for ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Primary Responsibilities: The… more
    Belay Technologies (12/31/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …years of directly related experience_ + Linux+ certification (or equivalent) + Security + certification (or equivalent) + Top Secret clearance ** Security ... art as they provide services and solutions in the areas of defense, security , intelligence, infrastructure, and environmental. We promote a culture of excellence and… more
    Parsons Corporation (11/15/25)
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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 team ... substituted for a Bachelor's degree. + 15+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and… more
    ManTech (12/25/25)
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