• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +...experience in Linux environments. + Cross-OS administration experience with Windows . + Virtualization experience with VMWare or Nutanix. +… more
    DirectEmployers Association (10/02/25)
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  • COLSA Corporation (Huntsville, AL)
    …as the technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... a fast-paced, complex environment. + Support, configure, and troubleshoot Windows 11 and Windows Server environments (AD,...Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US… more
    DirectEmployers Association (09/21/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...network engineering, administration, or related IT roles. + Clearance: TS /SCI CI Poly + Required Skills: + Experience with… more
    DirectEmployers Association (09/30/25)
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  • Windows Systems Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    Windows Systems Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is ... looking for multiple Windows Systems Administrators for a large program...improve reliability and performance Requirements **All openings require a TS /SCI with polygraph clearance to start.** Level 0 System… more
    Athenix Solutions Group, LLC (08/08/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team of ... be limited to the following:** + Perform as a Windows System Administrator for a classified government...and permissions + Candidates must have a current DOD ** Top Secret /SCI** level security clearance to include… more
    Northrop Grumman (10/03/25)
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  • Windows Systems Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …work of your career. Northrop Grumman's Classified Solutions team is seeking a well-qualified Windows Systems Administrator to join its dynamic team of ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...be limited to the following: + Perform as a Windows /VMware systems administrator for a… more
    Northrop Grumman (10/14/25)
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  • Senior Windows Systems

    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 Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Windows Systems Administrator

    NTT America, Inc. (Newport News, VA)
    …an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Windows Systems Administrator to join our team in Newport ... United States (US). We are seeking a highly skilled Systems Administration Specialist to join our hybrid agile delivery... Secret Clerance with ability to upgrade to Top Secret W/ SSBI. + **Must live… more
    NTT America, Inc. (10/11/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... Responsibilities** + Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise. + Develop,… more
    Leidos (10/17/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator to join its Classified Solutions team in Linthicum, MD. ... limited to the following: + Perform as a primary Windows /VMware systems administrator for a...Bachelor's or Master's degree in IS related field. + Top Secret Clearance. + Experience operating under… more
    Northrop Grumman (10/15/25)
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