• Principal Linux Systems Administrator

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of… more
    RTX Corporation (12/29/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …Find your future with us. The Boeing Company's Specialized United States Infrastructure organization is currently seeking a **Senior Linux Systems Administrator ... environments, primarily catering to initiatives within the Boeing Defense, Space & Security (BDS) business unit. An ideal candidate will recognize the value of… more
    The Boeing Company (12/25/25)
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  • Network Administrator SME

    GovCIO (Kearneysville, WV)
    **Overview** GovCIO seeks a **Network Administrator ** **(SME)** to support our US Coast Guard program. This hybrid role is based in Kearneysville, WV, with ... presence required. **Responsibilities** + Administer and maintain SIPRNet network infrastructure , including routers, switches, firewalls, TACLANEs, and encryption devices,… more
    GovCIO (12/19/25)
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  • Application Administrator I

    University of Rochester (Rochester, NY)
    …on-premises application installations, including but not limited to, ensuring security standards are applied, troubleshooting, implementing new solutions and ... questions related to application behavior, database performance, server configurations, and security policies, and provides on-call support after hours as defined by… more
    University of Rochester (11/24/25)
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  • Systems Administrator Technician _TS/SCI…

    General Dynamics Information Technology (Aurora, CO)
    …**Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Computer Hardware,Information Systems,Information Technology ... (IT) Systems **Certifications:** CompTIA - Security + CE - CompTIA - CompTIA **Experience:** 1 +...opportunity. At GDIT, people are our differentiator. Our **Systems Administrator Technician** supports and manages the responsibilities of the… more
    General Dynamics Information Technology (12/24/25)
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  • IT Server Administrator

    nVent (IN)
    …**IT Server Administrator ** to manage and maintain our server infrastructure , ensuring optimal performance, security , and reliability. This role requires ... and infrastructure changes. + **Collaboration:** Work closely with network, security , and application teams to support integrated IT operations and projects. +… more
    nVent (12/11/25)
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  • MSIC - HPC Linux Systems Administrator

    COLSA Corporation (Huntsville, AL)
    At the intersection of national security and high-performance computing, COLSA Corporation looking for a Linux Systems Administrator who thrives on complexity. ... You won't just be patching servers; you'll be the architect of the infrastructure supporting our most critical missions. From tuning HPC clusters to orchestrating… more
    COLSA Corporation (01/16/26)
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  • End User Support Administrator

    Robert Half Technology (Jupiter, FL)
    …O365 and Teams sites. + Active Directory administration: user account create/delete, security group mapping, login scripts. + Skilled at configuring, imaging and ... and assist with recommendations for the improvement of IT systems and infrastructure . + Gather requirements, design, and deploy solutions to meet business needs.… more
    Robert Half Technology (01/10/26)
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  • Senior Network Administrator

    KBR (Honolulu County, HI)
    …Network Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to ... our customers in the intelligence and national security communities. In this position, your work will have... requirements. You will handle keeping the team's testing infrastructure operational and in compliance with all TRMC directives… more
    KBR (11/27/25)
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  • Manage File Transfer Administrator

    Eliassen Group (Trenton, NJ)
    **Manage File Transfer Administrator ** **Anywhere** **Type:** Contract **Category:** Engineer **Industry:** Government **Workplace Type:** Remote **Reference ID:** ... secure file transfer platforms, and automation to enhance reliability and security . _Due to federal security clearance requirements, applicant must… more
    Eliassen Group (01/14/26)
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