• AMERICAN SYSTEMS (Crane, IN)
    …and give our forces a decisive edge against our nation's adversaries. Responsibilities: As a Linux Systems Administrator , Staff with AMERICAN SYSTEMS ... apply. AMERICAN SYSTEMS , an employee-owned company, is seeking a skilled Linux Systems Administrator with 2+ years of experience and an active Top-Secret… more
    job goal (12/01/25)
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  • AMERICAN SYSTEMS (Crane, IN)
    …if required. AMERICAN SYSTEMS , an employee-owned company, is seeking a skilled Senior Linux Systems Administrator with 5+ years of experience and an ... our forces a decisive edge against our nation's adversaries. Responsibilities: As a Senior Linux Systems administrator with AMERICAN SYSTEMS , you will… more
    job goal (12/01/25)
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  • BAE Systems (Manchester, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... lift equipment (up to 40lbs) and work within controlled environments. In this Principal Linux Administrator position you will make impacts in the following ways;… more
    job goal (12/01/25)
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  • Westford Group (Evanston, IL)
    …corporation's local area network (LAN), wide area network (WAN), and internet systems . This individual will be responsible for monitoring daily activities to ensure ... the Information Technology (IT) department management to ensure that all systems are responding within prescribed service levels. _*Position Responsibilities:*_ .… more
    job goal (12/02/25)
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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 ... an exceptional organization?! Apply today!** **Location** Pittsburgh, PA **Job Function** Systems Administration and Support **Position Type** Staff - Regular… more
    DirectEmployers Association (10/10/25)
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  • Stony Brook University (Stony Brook, NY)
    …and risk assessment initiatives. + Operational Leadership + Serve as a Senior administrator for Linux -based systems used across research and teaching ... Assistant System Administrator /System Administrator /Senior System Administrator ...Systems Operations and Support: + Support and maintain Linux -based systems used across research and teaching… more
    DirectEmployers Association (11/20/25)
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  • NuAxis Innovations (Raleigh, NC)
    …+ Provide day-to-day incident and deployment support of multiple server operating systems , including Unix, Linux , and Windows. This includes on-site and ... **Middleware Administrator ** Location **Raleigh, NC** \# of openings **1**...OpenShift, RedHat 3scale, Ansible, Google Cloud Platform, Microsoft Azure, Linux shell scripting, Microsoft PowerShell, JYTHON, AppDynamics, Zabbix, SolarWinds,… more
    DirectEmployers Association (11/27/25)
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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). ... using Veritas NetBackup, Veeam, or similar enterprise backup solutions. + Familiarity with Linux Server Operating Systems such as RHEL, Rocky, Ubuntu Pro +… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Staff DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Staff DevOps Engineer will be responsible for designing, implementing, maintaining… more
    DirectEmployers Association (09/11/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location...+ Provide mentorship to junior administrators and IT support staff . + Manage automated installation methods and system imaging… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Principal Linux System Administrator

    BAE Systems (Manchester, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... equipment (up to 40lbs) and work within controlled environments. **In this Principal Linux Administrator position you will make impacts in the following ways;**… more
    BAE Systems (10/07/25)
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  • Linux /Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux /Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... to fulfill their mission with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software...Baltimore Sun Media Group. Currently, we are seeking aSystems Administrator IIto join our Team! ** Must have active… more
    COMSO, Inc (11/27/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and...+ Apply and manage patches and updates across all Linux systems in accordance with DoD and… more
    Amentum (09/24/25)
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  • 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 ... independently and in a team environment with customer and staff + Good verbal and written communication skills. Desired...certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional… more
    S4 Inc. (10/08/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …clinical data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data ... data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and... is the principal technology expert for Windows and Linux systems , and help support high-performance computing… more
    Mount Sinai Health System (09/22/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... a critical DoD system? Join our team as a Systems Administrator ! You will get to use...in system design, development, and production support of large applications/ systems . + Windows and Linux server system… more
    CACI International (10/18/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must...**Leidos** , the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive… more
    Leidos (11/19/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (10/09/25)
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  • Linux System Administrator

    SLAC National Accelerator Laboratory (Menlo Park, CA)
    Linux System Administrator Job ID 5894 Location SLAC - Menlo Park, CA Full-Time Regular **SLAC Job Postings** **Position overview:** Are you passionate about ... groundbreaking scientific discoveries? SLAC National Accelerator Laboratory is searching for a dynamic Linux System Administrator to join our team. As a Linux more
    SLAC National Accelerator Laboratory (09/11/25)
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