• Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 hardware supporting the ONI ... all CDS systems + Installation, configuration and system hardening of Unix /Linux operating systems...+ X-ARBITOR + XD Bridge cross domain appliances + Solaris /RHEL operating systems + VMware vSphere 6.x… more
    FGS, LLC (08/23/25)
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  • System Administrator

    TekSynap (Bethesda, MD)
    …may be substituted for degree requirements. **Overview** We are seeking a ** System Administrator ** to perform various activities to support the success ... UNIX , Linux, Windows, and MAC. Similarly, software for system operation, management, and application support varies among divisions. **FUNCTIONAL… more
    TekSynap (09/16/25)
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  • 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 ... reliable integrated local and wide area networks (WANs) and foundation computing systems to support Navy, joint, and coalition forces across geographically dispersed… more
    Noblis (09/18/25)
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  • Intermediate Linux Administrator

    SMX (Patuxent River, MD)
    …Patuxent River, MD SMX is looking for a highly motivated Intermediate Linux/ Unix Administrator to join our team in support of Naval ... Evaluation environments, ensuring the functionality, security, and efficiency of Unix /Linux-based systems , networks, and software infrastructure. **Essential… more
    SMX (10/03/25)
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  • Systems Engineer

    CACI International (Livermore, CA)
    …all of the client server and network devices. * Provide engineering support for the systems administrator for systems issues that have been escalated and ... design, development, and integration in a Windows and Unix environment. * Performs continual maintenance and provides highly...modify scripts in multiple disciplines on Windows, Linux, and Solaris Systems * Liaise with vendors and… more
    CACI International (09/27/25)
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  • Senior IT Infrastructure Engineer

    Lumen (Austin, TX)
    …of this position is to serve as a Linux and virtual infrastructure system administrator , for both on-premise and cloud based infrastructure. Primary functions ... Rocky, Ubuntu, etc.) administration + Minimum of 4 years of experience with Unix ( Solaris , HP-UX, etc.) administratio + Experience with Solaris is required.… more
    Lumen (10/05/25)
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  • Sr Solutions Engineer

    Fairview Health Services (Minneapolis, MN)
    …hardware and software systems that are critical to daily pharmacy operations. The System Administrator will need to be able to support and maintain a variety ... experience and proven success with the design and operation of complex computing systems + System Administration experience, to include hardware and network… more
    Fairview Health Services (09/09/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information ... System /Computing Environment certificate for Windows Server 2012 or newer UNIX (Linux (Red Hat), Solaris ). + Experience with vulnerability scanners.… more
    Tau Six (07/23/25)
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  • Security Software Engineer - Red Team Penetra

    Imagine One Technology & Management (Dahlgren, VA)
    …to systems to mitigate known vulnerabilities. + Operate and administrate computer systems running HP-UX, UNIX , Solaris , Linux and Microsoft Windows. + ... recommendations for improving software and code design. + Contribute to a System Security Administrator and Operators Manual (SSAOM). Desired Experience: +… more
    Imagine One Technology & Management (09/24/25)
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