• 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 Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and… more
    EPS Corporation (11/13/25)
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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 Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, ... pipelines across both Windows and Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture and support the migration of… more
    ManTech (11/05/25)
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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 Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US ... (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,...following OS Certifications required + Linux + Linux + Red Hat Certified System Administrator (RHCSA)… more
    Amentum (09/24/25)
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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

    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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  • 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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  • Senior Linux System…

    BAE Systems (San Diego, CA)
    Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for ... OU structure, and GPOs. + Install, configure, and maintain Linux -based servers and systems . + Configure, deploy,...be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR**… more
    BAE Systems (09/18/25)
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