• Neya Systems (Warrendale, PA)
    …(8) years of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or ... experience, with at least five (5) years of experience in a senior Linux Systems Administrator role Equal Opportunity Employer/Protected… more
    DirectEmployers Association (10/23/25)
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  • Everon (Newark, DE)
    …in the installation and configuration of new software or hardware. Work with senior admins to deploy and configure operating systems , applications, and other ... loss **Skills and Qualifications:** 1. _Technical Skills:_ Familiarity with operating systems (Windows, Linux ), network protocols, and hardware troubleshooting.… more
    DirectEmployers Association (11/15/25)
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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 ... recurring tasks using PowerShell and other scripting languages. + Monitor systems performance, availability, and logs using enterprise monitoring tools. +… more
    DirectEmployers Association (08/21/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security,… more
    DirectEmployers Association (09/30/25)
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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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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior 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 Senior DevOps Engineer will be responsible for designing, implementing, maintaining… more
    DirectEmployers Association (09/11/25)
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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 ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for… more
    DirectEmployers Association (11/01/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator ** and build an impactful career ... are driven and resourceful like you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a ** Senior Linux Systems Administrator ** , the work you'll do at GDIT… more
    General Dynamics Information Technology (09/26/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Livermore, CA)
    …**Job Description:** $10K Sign-on bonus **Job Summary:** We are seeking a highly skilled Senior Linux Systems Administrator . The role involves performing ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Microsoft Server Operating Systems ,Microsoft Windows Environment **Certifications:**… more
    General Dynamics Information Technology (11/04/25)
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  • Mid- Senior Linux Systems

    KBR (Sioux Falls, SD)
    Title: Mid- Senior Linux Systems Administrator Belong. Connect. Grow. with KBR! Around here, we define the future. We are a company of innovators, ... has an immediate need for an energetic and dynamic Mid- Senior Systems Administrator in support...directly related technical experience. + Strong working knowledge of Linux (RHEL, OEL, Rocky) and Windows operating systems more
    KBR (09/23/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (10/09/25)
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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) ... 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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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4419)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join...Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work… more
    SMX (10/18/25)
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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. ... Senior Systems Administrator ( Linux ) Location HI - Kaua'i Job Code 13492 # of openings 1 Apply Now… more
    Alaka'ina Foundation Family of Companies (10/23/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) serves as Key Personnel ... for Unix/ Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (RDTE)...systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a ... Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The Senior Linux Administrator (NetServ) is responsible for… more
    UIC Government Services and the Bowhead Family of Companies (11/06/25)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …**Responsibilities will include but not be limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment ... We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical… more
    Northrop Grumman (11/15/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end ... software, systems , and network engineering services to support Integrated Discovery Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps… more
    ARSIEM (10/30/25)
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  • Senior Linux System…

    Parsons Corporation (Aberdeen, MD)
    …possible. **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be ... system_ **_What Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_ + _Extensive… more
    Parsons Corporation (11/15/25)
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  • HPC Linux Systems

    Northrop Grumman (Melbourne, FL)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic ... + Experience with configuring, administering, and maintaining Red Hat or other Linux systems + Experience operating under, and managing systems within,… more
    Northrop Grumman (09/10/25)
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