• Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …moderate to high scope and complexity to include the integration of hardware and operating systems (OS). + Understanding data RAID, data backup uses and ... 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification) + Experience with NISPOM, JAFAN, JSIG,… more
    RTX Corporation (12/29/25)
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  • Senior Security System Project Engineer

    Pinkerton (San Jose, CA)
    …security system 's functionality. + Apply advanced troubleshooting capabilities with Windows , Linux, and cloud server deployments and possess nimble bug fix ... system user issues as they arise through the system ticketing process. + Perform audits of systems...engineering and security project management experience. + Knowledge of Windows , security systems , and technology applications that… more
    Pinkerton (11/20/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    … Maintenance and Administration: + Install, configure, and maintain operating systems , application software, and system management tools. + Perform ... onboarding and training of new staff on relevant IT systems . System Performance and Optimization :...Patch Management : + Perform routine updates of software, operating systems , and security patches. + Ensure… more
    Infinity Systems Engineering (12/05/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …knowledge of RedHat 5 & 7 along with Windows server 2008, 2016, and Windows 10 operating systems in physical and virtual environments + Responsible for ... ensure today is safe and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure experience to manage and… more
    General Dynamics Information Technology (12/06/25)
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  • Systems Administrator

    ASM Research, An Accenture Federal Services Company (Oak Ridge, TN)
    …(OIM) and SC mission systems . This role is responsible for operating and maintaining Windows -based servers, desktops, and hybrid infrastructure, ensuring ... risk, ensuring compliance with secure configuration baselines. + Perform and document system patching, OS updates, and application upgrades in accordance with… more
    ASM Research, An Accenture Federal Services Company (12/19/25)
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  • Sr. Systems Administrator (Onsite…

    Community Health Systems (Franklin, TN)
    …tools + Knowledgeable of TCP/IP and the OSI Model + Knowledge of Windows /Linux/Unix operating systems + Expertise with common troubleshooting techniques ... System Administrator proactively monitors performance and availability of applications, operating system platforms, and infrastructure to troubleshoot root… more
    Community Health Systems (12/05/25)
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  • Field Service Tech III

    BAE Systems (Hill AFB, UT)
    …security clearance + Experience supporting C-Suite executives + Windows 10 & 11 Operating System support + Microsoft application support + Remote support ... + Experience troubleshooting VPN connectivity issues + Experience using online ticketing systems + Experience utilizing remote application software to provide… more
    BAE Systems (12/19/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    …to improve reliability and performance * Perform software installations and upgrades to Unix/ Windows operating systems and layered software packages and ... status to agency management and internal customers * Install/load operating system and application software...to create and modify scripts in multiple disciplines on Windows , Linux, and Solaris systems * Knowledge… more
    Arena Technical Resources, LLC (01/12/26)
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  • System Administrator-Linux

    Leidos (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows /Linux operating systems , VMware, etc.). + Must have ... security scanning for equipment suites in accordance with the System Security Plans for these systems to...experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have experience… more
    Leidos (01/06/26)
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  • Systems Analyst

    Swagelok (Solon, OH)
    …environment and applications at an intermediate level as required. + Validate and install Windows operating systems to ensure the currency and supportability ... May work closely with first-tier support staff to solve system problems. Ensures smooth integration of all systems...experience ' + 4+ years of hands-on experience in Windows operating systems administration, particularly… more
    Swagelok (11/07/25)
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