• Linux Systems Administrator

    L3Harris (Greenville, TX)
    …29921 Job Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (10/17/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux /Unix System Administrator ... certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional...or Red Hat Certified Engineer; or Oracle Certified Professional Solaris System Administrator ; or Red Hat Certified… more
    S4 Inc. (10/08/25)
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  • Principal Linux Systems…

    RTX Corporation (El Segundo, CA)
    …US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft… more
    RTX Corporation (09/09/25)
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  • Intermediate Linux Administrator

    SMX (Patuxent River, MD)
    Intermediate Linux Administrator (4715)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... Intermediate Linux /Unix Administrator to join our team in...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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  • Unix/ Linux System Administrator

    City of New York (New York, NY)
    …Infrastructure is recruiting for one (1) Computer Specialist (SW) IV, to function as a UNIX/ LINUX System Administrator , who will: - Work on daily UNIX/ Linux ... and develops applications, including a variety of client eligibility and recertification systems , case management systems , housing systems , employment/work… more
    City of New York (09/10/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** is seeking a ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort ... and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software...all of the following technologies and environments: + Operating Systems : CentOS, AIX, Solaris , RHEL + Tools… more
    ManTech (10/23/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** seeks a motivated and customer-focused ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software...technical documentation, and change logs **Preferred Qualifications:** + Operating Systems : CentOS, AIX, Solaris , RHEL + Tools… more
    ManTech (10/23/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    … servers + Install and configure Red Hat Linux / Windows / Solaris operating systems + Ensure compliance with computer security policy, Risk Management ... of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for...degree + Active Secret clearance + Sec+ certification + Solaris , Linux , Windows, Unix administration + Configuration… more
    ISYS Technologies (10/22/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    Systems Administrator Location: Langley, VA, US...create and modify scripts in multiple disciplines on Windows, Linux , and Solaris systems * ... Job ID: ATR 17352 Job Description Job Title: Systems Administrator Location: Langley, VA Eligibility: Candidate...more of the following: Window Server, Red Hat, IRIX, Solaris , Sybase, Informix, SQL, and Imagery Production Chain *… more
    Arena Technical Resources, LLC (11/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure...security for Red Hat (RHEL 5 & 7), Sun Solaris , Windows Server 2008 & 2016, and Windows 7/10… more
    General Dynamics Information Technology (11/06/25)
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