• Systems Administrator

    SAIC (Washington, DC)
    …and Sustainment Support (ADOS) program and provide on-site technical and administrative support to facilitate operations of critical MARS infrastructure and ... and maintain the infrastructure that powers networks and operating systems such as UNIX , Linux, and Windows. + Install and configure hardware and software, manage… more
    SAIC (09/06/25)
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  • Infrastructure Senior Technology Analyst Assistant…

    Citigroup (Irving, TX)
    …responsible for assisting with LAN / WAN and help desk administration activities, including network maintenance, technical guidance, and security in coordination ... and identified policies to process data, resolve issues and execute administrative tasks. Duties include providing support to Citi perimeter security infrastructure,… more
    Citigroup (09/02/25)
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  • Application Administrator (EDI)

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    …must be US Citizens. GENERAL EXPERIENCE: 3 years experience in administrative , technical or investigative work which demonstrated the ability and aptitudes ... and programming languages and tools. Hands on experience with application administration functionality and software release management toolset. SECNAV M-5239.2, DoN,… more
    Navy Exchange Services (NEX) (08/30/25)
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  • IT Specialist

    Exeter Government Services, LLC (Nellis Air Force Base, NV)
    …into the AF ISR Enterprise. This shall include, but is not limited to, UNIX and Microsoft Windows system administration ; secure voice, data, and FMV network ... between intelligence process, C2, and logistics; provide computer system administration and network management; and assign Information Assurance Officers (IAOs)… more
    Exeter Government Services, LLC (10/13/25)
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  • Systems Administrator Tier I_ TS/SCI…

    General Dynamics Information Technology (Las Cruces, NM)
    …* Required Technical Skills: 3+ years of directly related experience in systems administration and analysis. + UNIX /LINUX System Administration - Preferred ... IT Infrastructure and Operations **Skills:** IT Help Desk,IT System Administration ,Service Desk (Inactive) **Certifications:** CompTIA Security+ CE | CompTIA -… more
    General Dynamics Information Technology (10/04/25)
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  • Frontline Service Center Account Manager

    CACI International (Denver, CO)
    …storage, network connectivity, and security controls. Conduct system administration tasks and maintain configuration documentation for assigned infrastructure. ... of experience in Help Desk support, IT service desk, or systems administration roles. Proven ability to work shift-based schedules, including nights, weekends,… more
    CACI International (09/18/25)
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  • IT Systems Administrator - Security

    Commerce Bank (Kansas City, MO)
    …Perform system upgrades implementing and maintaining security controls, and day to day administration of Windows, Unix and Linux + Perform troubleshooting events ... & Abilities Required + Advanced knowledge of Active Directory and administration in multiple domains and operational support through troubleshooting, mitigation, and… more
    Commerce Bank (09/16/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …* Required Technical Skills: 1+ years of directly related experience in systems administration and analysis. + UNIX /LINUX System Administration - Preferred ... None **Job Family:** IT Infrastructure and Operations **Skills:** System Administration ,Technical Work,Troubleshooting **Certifications:** CompTIA Security+ CE | CompTIA -… more
    General Dynamics Information Technology (09/02/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …network administration + Proficiency with multiple operating systems, including Linux/ Unix and MacOS + Strong knowledge and experience with routers, switches, ... Systems Engineering or related degree; or HS Diploma and 7+ years network administration , network engineering or systems administration experience. + 5+ years of… more
    ARSIEM (08/28/25)
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  • Network Engineer

    Nightwing (Arlington, VA)
    …network administration - Proficiency with multiple operating systems, including Linux/ Unix and MacOS - Strong knowledge and experience with routers, switches, ... firewalls, and VPNs - Experience and knowledge of networking and network administration - Skilled in working with virtual desktop environments (Citrix, VMware) -… more
    Nightwing (08/28/25)
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