• Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong working knowledge… more
    Amentum (09/24/25)
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  • Systems Administrator - (Onsite)…

    RTX Corporation (Jacksonville, FL)
    …the demands of a rapidly evolving global market. Collins Aerospace is seeking a Systems Administrator for a position in Jacksonville, Florida. Due to the ... duties, this position requires 100% onsite employee status. The Systems Administrator will support and maintain enterprise...DFS, BitLocker, and data encryption solutions. + Exposure to SCCM / MECM for patch and asset management. +… more
    RTX Corporation (11/12/25)
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  • MacOS Systems Administrator

    Leidos (Baltimore, MD)
    **Description** Leidos is seeking a **MacOS System Administrator ** to be part of the mission solution and help lead SSA's Digital Modernization Strategy. Join ... and iOS devices. + Track inventory, including the location of all systems , software releases and telecommunications equipment. + Evaluate new software packages,… more
    Leidos (11/03/25)
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  • Senior VMware Administrator | Active TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …**Job Description:** Transform technology into opportunity as a **Senior VMware Administrator ** at GDIT. Shape what's next for mission-critical government projects ... **MEANINGFUL WORK AND PERSONAL IMPACT** As a **Senior VMWare Administrator ,** the work you'll do at GDIT will be...and performs the following responsibilities/functions: + Perform as the Lead on the Operations Team; manage people to include… more
    General Dynamics Information Technology (10/08/25)
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  • Mid Level Windows Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is seeking an experienced and proactive Windows System Administrator to join our high-performing IT team dedicated to operational excellence, continuous ... This role involves independently managing, monitoring, and supporting Windows-based systems , leading system maintenance and patching initiatives, supporting virtualization… more
    Integration Innovation, Inc. (i3) (10/28/25)
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  • Senior System Administrator

    University of Colorado (Aurora, CO)
    …scripting, and automating computer tasks. + Experience working with common configuration management systems such as SCCM or PDQ. + Experience in managing and ... Staff The SOM IS Shared Services team is currently seeking a Senior System Administrator with a primary focus on Windows systems and some experience with… more
    University of Colorado (11/19/25)
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  • System Administrator IV

    Gama-1 Technologies (Silver Spring, MD)
    Summary GAMA-1 Technologies, LLC seeks a highly experienced System Administrator IV to provide advanced systems administration, configuration management, and ... cybersecurity, network, and application teams to ensure seamless integration and security of systems across the enterprise. + Lead efforts in disaster recovery… more
    Gama-1 Technologies (11/20/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …to join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide ... System Administrator Job Category: Information Technology Time Type: Full...support for implementation, troubleshooting, optimization, and maintenance of IT systems . This role supports complex enterprise infrastructure and architecture,… more
    CACI International (10/30/25)
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  • System/Network Administrator (Onsite)

    RTX Corporation (Fulton, MD)
    …+ Proficiency in scripting via bash and/or Powershell + A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator ... of existing technologies deployed throughout the enterprise; building and patching systems ; troubleshooting program lab environments; hardening systems per cyber… more
    RTX Corporation (11/21/25)
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  • IT Network Administrator

    Amentum (Seattle, WA)
    Amentum is seeking an **IT Network Administrator ** in **Seattle, WA** to provide support to our DHS customers worldwide. _We are pipelining candidates for a future ... and remote support. With your experience with Windows operating systems including patching and updates, Active Directory, data encryption,...the extra mile. You will report to a Team Lead and provide IT Field Operations (ITFO) support for… more
    Amentum (11/14/25)
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