• System Administrator , High Performance…

    RTX Corporation (Tucson, AZ)
    …or Top-Secret Clearance. + Advanced hands-on experience with Windows and Unix security hardening, systems integrations, advanced troubleshooting, and ... authentication service integration (LDAP). + Unix (Including Linux and Solaris ), experience in a medium to high complex environment(s). + Working knowledge of… more
    RTX Corporation (09/18/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX /Linux operating systems and install/load OS software + Optimize system operations and ... Security+ certification + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX /Linux environments… more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX /Linux operating systems and install/load OS software + Optimize system operations and ... required + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX /Linux...all of the following technologies and environments: + Operating Systems : CentOS, AIX, Solaris , RHEL + Tools… more
    ManTech (08/08/25)
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  • F-22 iMIS System Administrator (Entry…

    Lockheed Martin (Elmendorf AFB, AK)
    …support to our users\. **What You Will Be Doing** * Administer and maintain Solaris Unix , RedHat Enterprise Linux \(RHEL\), and Windows operating systems \. ... **Description:** We are seeking a motivated and talented IMIS Administrator to join our F\-22 Field Operations Team at Elmendorf Air Force Base, Alaska\. As a… more
    Lockheed Martin (10/03/25)
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  • System Administrator

    TekSynap (Bethesda, MD)
    …the NICHD have differing environments and needs. Operating environments include UNIX , Linux, Windows, and MAC. Similarly, software for system operation, management, ... andsoftware to support environments with virtualization including RedHat, CentOS, and SPARC Solaris . + Ten(10) or more years hands on experience performing a variety… more
    TekSynap (09/16/25)
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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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  • Sr Solutions Engineer

    Fairview Health Services (Minneapolis, MN)
    …development, software engineering and/or testing, data analysis, networking, operation systems (Linux, AIX, Solaris , Windows), storage (enterprise SAN, ... and optimization within a technology domain or line of business. Utilize systems expertise and knowledge of software, hardware, networks, and/or storage to work… more
    Fairview Health Services (09/09/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Operating System/Computing Environment certificate for Windows Server 2012 or newer UNIX (Linux (Red Hat), Solaris ). + Experience with vulnerability scanners. ... market. We are seeking a motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national… 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. + ... + Understand code utilizing real-time VxWorks and Lynx OS operating systems , Common Object Resource Broker Architecture (CORBA), firewalls and networking protocols.… more
    Imagine One Technology & Management (09/24/25)
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  • F-22 Strategic Mission Planner (Level 3), Top…

    Lockheed Martin (Langley Air Force Base, VA)
    …generation avionics/sensors * Experience with Tactical Data Links * Experience with Linux, UNIX , or Solaris operating systems * Mission planning experience ... across the mission planning hardware and software suite as the System Administrator \. * In this world\-wide deployable position, you will travel to numerous… more
    Lockheed Martin (08/28/25)
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