• Systems Administrator - Multiple…

    Noblis (San Diego, CA)
    …users in resolving accounts, recovery of data and maintaining security + Loading operating systems , including Windows , Solaris, Unix and Linux. + Develop ... master's degree with 3+ years of experience providing technical support in operating systems ( Windows , Linux), networking, and security, along with experience in… more
    Noblis (09/18/25)
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  • System Administrator

    Leader Communications Inc. (Portsmouth, VA)
    … Administrator will ensure the reliability, security, and availability of critical systems , supporting both Windows and Linux environments in a highly ... in enterprise or DoD environments + Microsoft Certified: SharePoint Server Hybrid Administrator Associate, Microsoft Certified: Windows Server Administrator ,… more
    Leader Communications Inc. (09/23/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... certs when needed. + Creating and maintenance of system policies, such as Windows group policies, Linux authentication PAM rules/files (in concert with Linux/ unix… more
    ISYS Technologies (09/30/25)
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  • System Administrator , High Performance…

    RTX Corporation (Tucson, AZ)
    …An active DoD Secret or Top-Secret Clearance. + Advanced hands-on experience with Windows and Unix security hardening, systems integrations, advanced ... for a security clearance​ **Security Clearance:** Secret - Current **System Administrator , High Performance Computing (HPC) - P3** **Principal Specialist level**… more
    RTX Corporation (09/18/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …slip links, routers, utilizing TCP/IP and network management skills in Multi-Platform Unix / Windows Server 2003, NT, XP, 2000 environments, including Red Hat ... Principal System Administrator Location Annapolis Junction, MD Job Code 2270...Mainframe Software: * Jes 3, TSO, IBM's Information Management Systems /Infoman, DOS Power, VTAM, IBM Netview, SAS PC Server… more
    DCCA (08/18/25)
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  • ACAS Administrator

    General Dynamics Information Technology (Fort Bragg, NC)
    …passive discovery, agent-based scanning and event analysis, etc.) + Experience in Windows and UNIX operating system administration + Security Clearance: Top ... and IT Risk Management **Skills:** Assured Compliance Assessment Solution (ACAS), Unix ,Vulnerability Scanning **Certifications:** CompTIA - Security+ - CompTIA -… more
    General Dynamics Information Technology (10/04/25)
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  • Entry Level or Mid Level System…

    Belay Technologies (Annapolis Junction, MD)
    …for this level (skills, technologies, expertise): + One (1) year experience in Linux, Unix , Windows or Cisco OS operating system + Five (5) years' experience ... 2 021! Belay Technologies is seeking a Mid-Level System Administrator (SA2) to join our intel team. FC has...administering Linux, Unix or Windows Operating System + Three… more
    Belay Technologies (10/10/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …large scale configuration management and deployment across Windows , MacOS, Linux/ Unix , and other operating systems and virtual environments to support ... procedures. - Virtualization automation and optimization. - Experience with multiple operating systems to include Linux/ Unix , Windows , MacOS. **Required… more
    Nightwing (08/28/25)
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  • Linux Administrator

    Eliassen Group (Westlake, TX)
    …automate, promote DevOps and EngOps work. You will be leading managing Linux, Unix , Windows operating systems , Hypervisors, Hardware, security compliance ... **Linux Administrator ** **Westlake, TX** **Type:** Contract **Category:** IT Admin...- $54 / hr. w2 **Responsibilities:** + Manage Linux, Unix , and Windows operating systems ,… more
    Eliassen Group (10/14/25)
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  • Sr. System Administrator

    Financial Partners Credit Union (Costa Mesa, CA)
    …of physical and virtual servers across various operating systems , including Windows Server, Linux, and Unix . + Resource management to ensure optimal ... in IT systems administration. + Experience with server administration, including Windows Server, Linux, and Unix . + Proficient with administrating Microsoft… more
    Financial Partners Credit Union (09/01/25)
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