• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... We are looking for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. + Securely deploy and… more
    DirectEmployers Association (10/02/25)
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  • 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 ... **Core Responsibilities:** + System Administration: Manage, upgrade, and troubleshoot Linux /Unix servers, desktops, and HPC clusters to ensure flawless operations.… more
    DirectEmployers Association (10/10/25)
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  • Mission Support and Test Services (North Las Vegas, NV)
    …Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Linux Vulnerability Management Administrator who possesses the knowledge, skills, and ... Linux Administration. + Knowledge equivalent to Red Hat Certified System Administrator (RHCSA) or Linux Professional Institute (LPIC-2). + Ability to use… more
    DirectEmployers Association (09/06/25)
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  • SimVentions, Inc (Valley Lee, MD)
    SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency ... (DISA) policies for Linux and Windows-based operating systems. We are looking for...At least five years of hands-on experience working within UNIX/ Linux and Windows environments Experience in DoD Information Assurance/Cyber… more
    Talent (11/18/25)
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  • SimVentions, Inc (Hughesville, MD)
    …one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and ... Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out-of-the-box thinker equally comfortable… more
    Talent (11/18/25)
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  • Applied Research Associates, Inc. (Warrendale, PA)
    …relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated environment ... with 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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  • COOLSOFT (Madison, WI)
    …Requirement id 155928 Job title Engineer Job location in Madison, WI Skills required Linux System Administrator , Linux Security System, IT Security, UNIX ... DOE Status requirement Job interview type Email Recruiter:coolsoft Job Description Engineer: Linux System Administrator , Linux Security System, IT Security,… more
    DirectEmployers Association (11/13/25)
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  • Quad (Sussex, WI)
    …can always create a better way. GENERAL PURPOSE OF JOB Infrastructure Administrator is an entry level position responsible for implementing technology solutions at ... a beginner to intermediate level. The Administrator is focused on general knowledge among a few...Wireless LAN, Unified Communication, VoIP) + Windows Server or Linux distributions + Server virtualization (VMWare, HyperV) + Public… more
    DirectEmployers Association (10/25/25)
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  • PSEG Long Island (Bethpage, NY)
    …overall health of a variety of cyber security tools within a Microsoft Windows, Linux and UNIX server environments. This role will manage and support M365 accounts ... for new hires, enforces mailbox size limits to prevent blockage and avoid hitting the maximum storage quota, and develops policy settings for different departments. Monitors the performance of the Exchange environment and troubleshoots any problems that may… more
    DirectEmployers Association (11/06/25)
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  • Ace Hardware (Oak Brook, IL)
    …Summary** We are seeking a highly skilled **Cloudera Hadoop Administrator (DBA)** with hands-on experience managing and administering **Databricks environments** ... for automation and system administration. + Solid foundation in Linux /Unix system administration. **Preferred Qualifications** + Experience with cloud technologies… more
    DirectEmployers Association (10/09/25)
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  • HP Inc. (Harrisburg, PA)
    **Job Summary** **Onsite Administrator (Print) -** **OSA Level II (Tunkhannock, PA)** For this position the candidate must reside in Tunkhannock, PA / or commute ... Systems * Information Technology Infrastructure Library * IT Service Management * Linux * Microsoft Azure * Project Management * SAP Applications * Technical… more
    DirectEmployers Association (09/26/25)
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  • Greene Tweed (Lansdale, PA)
    …core services and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise environment consisting of ... experience successfully installing, maintaining, upgrading and migrating Windows and Linux server environments, preferably global. + Proficiency in: + Windows… more
    DirectEmployers Association (08/21/25)
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  • Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. ... + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role ensures that all systems, applications, and security… more
    DirectEmployers Association (11/01/25)
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  • COLSA Corporation (Huntsville, AL)
    …infrastructure environment. The role spans Windows systems, Nutanix virtualization, Linux (RHEL), and enterprise storage. The successful candidate will provide ... Microsoft Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). + Experience with automation and… more
    DirectEmployers Association (09/21/25)
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  • COOLSOFT (Columbus, OH)
    …Administration; Engineer training/certifications; Microsoft Certified Solution Expert. Current Unix/ Linux Operating System training/certifications. . At least 10 ... years of computer systems analyst/network administrator experience. . 5+ years working with cloud-based platforms (Azure, AWS, Google Cloud, etc.) in an enterprise… more
    DirectEmployers Association (11/14/25)
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  • Fannie Mae (Plano, TX)
    …* Familiarity with Splunk Enterprise Security (ES) * Solid background in Linux /Unix system administration. * Scripting skills (Python, Bash, or PowerShell). * Strong ... problem-solving skills. *Desired Experiences* * Splunk Core Certified Power User, Administrator , Architect, or ES certification(s) * Experience with cloud platforms… more
    DirectEmployers Association (10/26/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …An active TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid cloud or multi-cloud ... of networking in Kubernetes/OpenShift environments + Familiarity with Red Hat Enterprise Linux (RHEL) or CentOS + Strong analytical and problem-solving skills with a… more
    DirectEmployers Association (09/11/25)
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  • Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …HII! Where Hard Stuff is Done Right! We are seeking an experienced Patching and Linux Administrator III to join our infrastructure team. This role requires deep ... and system administration across multiple operating systems, including Red Hat Enterprise Linux (RHEL), Ubuntu, and macOS. The ideal candidate will be responsible… more
    Huntington Ingalls Industries (11/14/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: None * * * We are seeking a highly skilled and motivated Linux Administrator to join our Federal IT Operations team. The successful candidate will manage… more
    CACI International (11/13/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …framework as the basis for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support ... None **Job Family:** IT Infrastructure and Operations **Skills:** Disaster Recovery (DR), Linux ,Red Hat Ansible,Red Hat Enterprise Linux (RHEL),Security Technical… more
    General Dynamics Information Technology (11/08/25)
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