• Carnegie Mellon University (Pittsburgh, PA)
    …Computing Facilities department within the School of Computer Science seeks a UNIX/ Linux System Administrator with experience in DevOps practices to contribute ... role, you will support desktops, project servers, and high-performance computing systems , ensuring reliability and scalability across diverse environments. This role… more
    DirectEmployers Association (10/10/25)
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  • ABBTECH Professional Resources, Inc. (Norfolk, VA)
    **Senior Systems Administrator (Unix/ Linux )** + Six (6) years of professional experience in Unix/ Linux admin system. + This position requires experience ... with backup/recovery; software/security mgmt; hardware/OS/COTS installation; performance tuning; troubleshooting; TCP/IP; firewalls; vulnerability knowledge. + This position is required to be designated as IAT III level with a T5 (Top Secret Clearance).… more
    DirectEmployers Association (12/17/25)
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  • Neya Systems (Warrendale, PA)
    …of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... at least five (5) years of experience in a senior Linux Systems Administrator role Equal Opportunity Employer/Protected Veterans/Individuals with… more
    DirectEmployers Association (10/23/25)
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  • Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... system performance and security, and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure… more
    DirectEmployers Association (12/05/25)
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  • iconectiv (Bridgewater, NJ)
    …www.iconectiv.com . Follow us on X and Linkedln. The Senior System Administrator role provides system administration maintenance and support for the NPAC (Number ... Center) Lab and Production Telecommunications Application Service environments. The Senior System Administrator is a crucial member of our Operations team and is… more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Santa Barbara, CA)
    **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + Provide ... delivery pipeline to achieve Authority to Operate (ATO) + Provide system administration of Linux systems . + Maintain an inventory of hardware and software for… more
    DirectEmployers Association (12/06/25)
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  • Schrdinger (NY)
    We're seeking a ** Systems Administrator ** to join us in our mission to improve human health and quality of life! At Schrodinger, we're dedicated to advancing ... our IT environment. You will ensure the stability and efficiency of the systems that support our scientific applications and business operations. Your expertise will… more
    DirectEmployers Association (12/03/25)
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  • Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... NetBackup, Veeam, or similar enterprise backup solutions. + Familiarity with Linux Server Operating Systems such as RHEL, Rocky, Ubuntu Pro + Experience with the… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Associates, Inc. (Eglin AFB, FL)
    …required for secure SIPRNet operations. This role works directly with the Sr. Systems Administrator and the broader systems -admin team leading engineering ... Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD-owned secret-level enclave that already… more
    DirectEmployers Association (11/21/25)
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  • Infinity Systems Engineering (Colorado Springs, CO)
    …schedule; This position is primarily Mid-Shift Preferred Qualifications + Experience with Linux or Unix operating systems + Familiarity with operations and ... candidate will be responsible for monitoring the GPS ground systems in real-time, including the Master Control Station (MCS),...sustainment of satellite communication ground systems + Experience with GPS operations, crew operations, and… more
    DirectEmployers Association (12/17/25)
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