• Monster (Manassas, VA)
    System, Network , and Database Administrator 5-Day office, No remote work Our Company MCL Systems Limited (MCL), is a Software development firm in the arena of ... , system, database infrastructure. Our infrastructure is a multi-site network cluster of Windows, Linux servers, SQL...and Networking areas. Experience Junior levels: 2+ year experience Senior levels: 5+ years' experience Location This is a… more
    Talent (09/17/25)
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  • Linux System Administrator

    Chenega Corporation (Albuquerque, NM)
    Linux System Administrator Albuquerque, NM Join our Talent Network Linux System Administrator Albuquerque, NM Are you ready to enhance your skills ... Network in an enterprise environment along with applicable Linux servers/devices. The Windows Network is 95%...their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn.… more
    Chenega Corporation (07/10/25)
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  • Sr . Linux /Unix…

    S4 Inc. (Omaha, NE)
    …Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr . Linux /Unix System Administrator ... | Full Time | Comprehensive and competitive benefits Job Title: Sr . Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI… more
    S4 Inc. (07/09/25)
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  • DreamWorks Technology - Sr . Systems…

    NBC Universal (Glendale, CA)
    …need to have in order to do this job?" + Minimum 10+ years as a Senior Linux system administration in a large (500+system) environment + Develop tools using ... of most of NBCUniversal's cable television networks, including USA Network , CNBC, MSNBC, Oxygen, E!, SYFY and Golf Channel...be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform… more
    NBC Universal (09/17/25)
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  • Sr . System Administrator

    Themis Insight (Linthicum Heights, MD)
    …Public and Private, Civilian and Military expertise to every case. We are hiring a Sr . System Administrator ( Linux ) to work in Linthicum Heights, MD. ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and… more
    Themis Insight (09/12/25)
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  • Sr Principal 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 team of ... mission, we will support yours of expanding your personal network and developing skills, whether you are new to...be limited to the following: + Perform as primary Linux Systems Administrator for a classified government… more
    Northrop Grumman (08/08/25)
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  • Sr Principal HPC Linux Systems…

    Northrop Grumman (Redondo Beach, CA)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of ... mission, we will support yours of expanding your personal network and developing skills, whether you are new to...files, and updating virus definitions + Experience as an administrator for Red Hat or similar Linux more
    Northrop Grumman (09/11/25)
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  • Sr . Linux /Windows Systems…

    Lockheed Martin (King Of Prussia, PA)
    …including day\-to\-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices \- Patch and harden Linux RedHat OS and ... be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator ...CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able… more
    Lockheed Martin (09/18/25)
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  • Sr . Principal Linux System…

    RTX Corporation (Aurora, CO)
    …You will be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, ... GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation tools/frameworks… more
    RTX Corporation (07/19/25)
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  • Sr . Network Operations Center…

    RTX Corporation (Springfield, VA)
    …and responsibility and provide access to tools and resources that enable this ** Sr . System Administrator - Network Operations Center** employee to ... a Raytheon program in a classified environment as a Network Operations Center (NOC) System Administrator . +...a focus on clarity and professionalism + Experience with Linux + Experience with Science Logic + Experience with… more
    RTX Corporation (08/26/25)
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  • Senior Linux Systems…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (NETSERV) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The ... Senior Linux Administrator (NetServ) is responsible...attributes, such as permissions, encryption, access control lists, and network file systems + Deploy, configure, and maintain systems,… more
    UIC Government Services and the Bowhead Family of Companies (09/17/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Dayton, OH)
    Sr . Systems Administrator Location: Dayton, OH, US Job ID: ATR 17602 Job Description Job Title: Sr . Systems Administrator Location: Dayton, OH ... active TS/SCI clearance Job Description: Our client is seeking an experienced Senior Systems Administrator to support a large-scale digital transformation… more
    Arena Technical Resources, LLC (08/07/25)
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  • Senior Linux Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is searching for a Senior Linux Administrator to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. ... Missile Defense System with multiple layers of protection. The Senior Linux Administrator performs administration...+ Coordinate hardware and software upgrades and installations with network and security teams. + Apply security controls as… more
    Integration Innovation, Inc. (i3) (08/14/25)
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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 ADMINISTRTAOR WILL MAKE AN IMPACT:** + Provide system administration ... Certified - CompTIA - CompTIA, Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack - Redhat Certified...and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. +… more
    General Dynamics Information Technology (08/22/25)
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  • Principal/ Sr . Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator ** to join the Ground Segment team ... Administrator for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government contract. + Maintain smooth… more
    Northrop Grumman (09/18/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Sr Principal Systems Administrator ** to join our team at our facility in Aurora, ... will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform… more
    Northrop Grumman (09/11/25)
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  • Senior Linux /Unix Systems…

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)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...Senior Linux /Unix Administrator to join our team in...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (09/03/25)
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  • Senior Linux Systems…

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you...problems, and collaborating with other teams (eg application development, network , etc.) to resolve problems across the organization +… more
    ManTech (08/30/25)
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  • Senior Linux Systems…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... us 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 (09/19/25)
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  • Linux Systems Engineer - Sr . Member…

    Lockheed Martin (Moorestown, NJ)
    …our position as the world's leading Aerospace and Defense company\." **WHO WE ARE** The Senior Systems Administrator works as part of a team in the Test Site ... computer system problems while also improving performance on platforms/operating systems such Linux RedHat and RedHawk\. In addition, they also evaluate and install… more
    Lockheed Martin (07/12/25)
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