• 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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  • Sr . Principal HPC System…

    Northrop Grumman (Linthicum Heights, MD)
    …of our mission! Northrop Grumman Mission Systems (NGMS) is seeking a **Principal or Sr . Principal HPC System Administrator ** . This position is located at ... req and can be filled as a Principal or Sr . Principal HPC System Administrator ** Basic Qualifications...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience… more
    Northrop Grumman (10/02/25)
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  • Principal / Sr . Principal Systems…

    Northrop Grumman (Colorado Springs, CO)
    …making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Systems Administrator / Sr . Principal Systems Administrator to join our ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively… more
    Northrop Grumman (10/14/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …best practices framework as the basis for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. +...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (08/09/25)
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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 . Specialist, Systems…

    L3Harris (Palm Bay, FL)
    …- and have every other Friday off Job Description: We are seeking a dedicated System/ Network Administrator to join our IT team. The ideal candidate will be ... domains in the interest of national security. Job Title: Sr . Specialist, Systems Administrator Job Code: 29595...related experience. + 4 years of experience as a System/ Network Administrator managing an enterprise level domain.… more
    L3Harris (10/05/25)
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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 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 System…

    Leidos (Alexandria, VA)
    …Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a ** Senior Linux System Administrator ** . Our mission is to develop tools ... cycle, to get capabilities to the warfighter more rapidly. The System Administrator will work within a team engineers, developers and system administrators adding… more
    Leidos (09/26/25)
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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 & ... 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 (10/09/25)
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