• Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... IT systems . We are seeking an accomplished System Administrator - Level 4 to lead...with a focus on high-assurance systems . This senior -level position involves architecture support, advanced troubleshooting, security more
    CACI International (08/01/25)
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  • System Administrator , Senior

    Parsons Corporation (Columbia, MD)
    …document systems administration standard operating procedures. + Maintain baseline system security according to organizational policies. + Manage accounts, ... in securing the platform and operational technology of National Security Systems - a mission at the...to provide unmatched innovation. Parsons is seeking a **Sr. System Administrator ** to support our expanding portfolio… more
    Parsons Corporation (06/20/25)
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  • Senior Linux System

    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 position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Senior Windows Server Systems

    Leidos (Bethesda, MD)
    …the kind of environment where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media ... + Experience in a supervisory and/or mentorship capacity + System security engineering expertise in one or...Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) * Experience with SAN or… more
    Leidos (07/24/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at Aberdeen Proving ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (08/01/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. ... active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the… more
    Link Solutions Inc (08/01/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could ... of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy,...strategies. You'll recommend technologies and approaches to improve platform security and comply with security controls. You'll… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Senior System Administrator

    DCCA (Columbia, MD)
    Senior System Administrator Location Columbia, MD Job Code 2215 # of Openings 1 Apply Now ... compensation and benefits package. Visit our website at: www.dcca.com Senior System Administrator Candidate must...linked to a host workstation, or mainframe. Responsible for system security and data integrity. Assigns passwords… more
    DCCA (05/17/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint ... Senior Windows Systems Administrator ...Windows platforms. The role ensures the performance, reliability, and security of infrastructure by managing staff, planning resources, and… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • MAC System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a MAC System Administrator ( Senior -Level) to join our team at Aberdeen Proving ... Clearance. + Non-remote (relocation incentive available) Our MAC System Administrator will be responsible for maintaining macOS systems , managing updates,… more
    Link Solutions Inc (08/09/25)
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