• Functional Area Expert II (Linux/ Unix )

    TISTA Science and Technology (Austin, TX)
    …have the skill set of a senior System Administrator (preferably in Solaris Unix and Red Hat Linux) but also be able to create new methods of gathering ... in System Administration: A deep understanding of Linux and Unix system administration, including configuring, monitoring, and troubleshooting various distributions… more
    TISTA Science and Technology (12/10/25)
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  • Senior Linux/ Unix

    S4 Inc. (Omaha, NE)
    …with Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux/ Unix Administrator Work Location: USSTRATCOM Offutt AFB ... Administrator Overview: S4 is seeking an experienced Senior Unix /Linux OS Administrator to...of the following certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux… more
    S4 Inc. (10/08/25)
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  • Senior Unix System…

    SMX (Patuxent River, MD)
    …jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced Senior UNIX Administrator to support operations at the ... and security of mission-critical systems across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched… more
    SMX (12/04/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Hartford, CT)
    …and maintains UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. Optimizes backup processes; ... + Seven (7) years of systems administration experience on UNIX operating systems Red Hat Enterprise Linux...technology and resolve technical problems individually and as a senior project participant. + Ability to communicate effectively, both… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …Bachelor's degree in computer science or equivalent experience. **Overview** We are seeking a Senior UNIX System Engineerto join our team supporting an ITES task ... protocols via SOPs. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer, including task automation. +… more
    TekSynap (10/25/25)
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  • Senior Linux Systems Administrator

    Leidos (Camp Springs, MD)
    …of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining ... + Bachelor's Degree with 12+ years' experience as a Unix System Administrator - Operational experience with...Red Hat Satellite. + Documenting system processes for Unix environments. + HW experience: Knowledge of Dell Servers,… more
    Leidos (12/20/25)
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  • UNIX Systems Engineer

    GovCIO (Boston, MA)
    …Radford, VA and will be a remote position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of Red ... for 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ yrs… more
    GovCIO (12/24/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team ... in a virtual environment + Automation knowledge scripting in Unix shell and Ansible playbooks + Maintain and improve...Security) required + Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred)… more
    Leidos (12/30/25)
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  • Senior Windchill Application…

    RTX Corporation (Tucson, AZ)
    …Systems & Transformation Technologist** . This candidate will be a ** Senior Windchill Application Administrator ** for a product data/lifecycle management ... and _diverse_ atmosphere under _limited supervision_ . As a ** Senior Windchill Application Administrator ** on our digital...or major upgrades of multiple applications, Apache web server, Red Hat Linux operating system, Oracle database, etc. +… more
    RTX Corporation (11/18/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...operations and perform capacity planning. + Configure and manage UNIX and Windows operating systems, ensuring system integrity and… more
    Leidos (11/15/25)
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