• 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 Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • VMware ESXI Administrator

    Trace Systems Inc (Portsmouth, VA)
    …Standards & Technology (NIST) IA Level. Minimum Qualifications + Active, in-scope US Government issued Top Secret clearance. + Due to the nature of the work and ... Title: VMware ESXI Administrator Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a VMware ESXI Administrator to support the Norfolk… more
    Trace Systems Inc (11/27/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... * **The Opportunity:** CACI is seeking a highly skilled ** System Administrator ** to join our team in...to include web servers, database servers, and associated development systems (eg Team Foundation Server) + Maintains system more
    CACI International (12/29/25)
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  • System Administrator 2

    DCCA (Fort Meade, MD)
    …competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator 2 Candidate must have an active TS /SCI w/ Poly For ... System Administrator 2 Location Fort Meade,...dedication to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux… more
    DCCA (11/21/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... system performance and security, and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure all… more
    Infinity Systems Engineering (12/05/25)
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  • Systems Administrator - CSfC

    CACI International (Fort Bragg, NC)
    Systems Administrator - CSfC Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... * **The Opportunity:** We are seeking a well rounded Systems Administrator with Systems , Network...system administration on specialized cyber defense applications and systems or Virtual Private Network (VPN) devices, to include… more
    CACI International (12/13/25)
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  • Security Administrator

    JCTM LLC (Kailua, HI)
    …and must meet eligibility requirements for access to classified information. A Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance is required. ... and information is a cornerstone of mission success. As a Security Administrator with JCTM, you will support the construction, accreditation, and secure operation… more
    JCTM LLC (01/08/26)
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  • Field Systems Administrator

    Systems Technology Forum (San Diego, CA)
    …of Defense (DoD), and other federal agencies. Job Summary The Field Systems Administrator provides operational and maintenance support for mission-critical Navy ... across STACC environments, supporting both shore-based and deployed configurations. The administrator applies expertise in system configuration, patching, and… more
    Systems Technology Forum (11/21/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    **MANTECH** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary ... FTP, & SSL. + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required. + Interface with local… more
    ManTech (12/17/25)
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  • System Administrator

    ProSphere Tek (Tacoma, WA)
    …to substantially improve your skills and experience? PSI is seeking a System Administrator with an active Top Secret /SCI clearance to support our Army ... workstations with a common user interface across multiple operating system environments. Support up to 850 systems ....operating system environments. Support up to 850 systems . + Support approximately 500 users. Each user can… more
    ProSphere Tek (10/31/25)
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