• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the Server ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network more
    SimIS Inc. (11/06/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (White Sands Missile Range, NM)
    …or a BA/BS Degree with two (2+) years of experience in an IT enterprise network engineering role. + IAT Level II Certification equivalent or higher per DoD ... CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at White Sands Missile Range, NM. +… more
    Link Solutions Inc (10/08/25)
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  • System Administrator

    ManTech (Nellis Air Force Base, NV)
    **MANTECH** seeks a motivated, career and customer-oriented **System Administrator ** to join our Air Force / Space team at **Nellis AFB** . The System ... Administrator 's primary function is to support the United States...are not limited to:** + Determining hardware, software, and systems specifications, and configuration requirements. + Execution of the… more
    ManTech (12/13/25)
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  • System Administrator

    ManTech (Hill Air Force Base, UT)
    **MANTECH** seeks a motivated, career and customer-oriented **System Administrator ** to join our Air Force / Space team at **Hill AFB** . The System Administrator ... include, but are not limited to:** + Determining hardware, software, and systems specifications, and configuration requirements. + Execution of the patching, fixing,… more
    ManTech (12/04/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence ... Security+ce **PREFERRED QUALIFICATIONS:** + Integration of cyber security tools and systems with network performance, trouble ticketing, and security subsystems… more
    Leidos (10/21/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must be a US ... Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the installation, configuration,… more
    Link Solutions Inc (10/08/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    …CAT I/ CAT II / CAT III findings associated with scans of network devices. + Coordinate with ISSO/ISSM to update POA&M and reflect open vulnerabilities associated ... SIPRNet Administrator Job Category: Information Technology Time Type: Full...networks. + Active Secret clearance. + Strong understanding of network devices and operating systems . + Proficiency… more
    CACI International (11/07/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems ... operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements… more
    Synergy ECP (10/22/25)
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  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk… more
    M. C. Dean (11/26/25)
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  • Cohesity NetBackup Administrator

    GovCIO (Kearneysville, WV)
    …clearable up to an active Secret clearance. + Current DoD 8570 IAT Level II certification (eg, Security+, Network +, etc.). + Strong expertise in NetBackup ... **Overview** GovCIO is seeking a highly skilled **Cohesity NetBackup Administrator ** to support a critical program with the US Coast Guard. The primary focus is the… more
    GovCIO (12/13/25)
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