• Linux Principal Windows

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/linux- principal - windows - systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to… more
    Serco (05/17/25)
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  • Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …that create a safer, more secure world. This job opportunity is for the SIPRNET Windows Administrator position at Raytheon El Segundo. The SIPRNET Windows ... Administrator is responsible for the administering the local DoD classified Windows systems , including workstations and server, routers, firewalls, switches… more
    RTX Corporation (05/24/25)
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  • Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …eligible for a security clearance​ **Security Clearance:** TS/SCI with CI Poly - Current ** Principal Systems Administrator - El Segundo, CA -Must have a ... as only US citizens are eligible for a security clearance.** + Must have Windows systems administration experience + Experience with one of the following: VMWare… more
    RTX Corporation (06/10/25)
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  • Windows / Principal Windows

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in ... workstations along with associated networks. + Install, harden, and patch Windows operating systems . + Configure, deploy, and harden thick, thin, and zero client… more
    Northrop Grumman (06/14/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Linthicum Heights, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a highly experienced Windows Systems Administrator to join its Classified Solutions team in ... include but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract(s). + Maintain… more
    Northrop Grumman (06/14/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Boulder, ... and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows more
    SciTec (04/06/25)
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  • Systems Administrator

    Fairleigh Dickinson University (Teaneck, NJ)
    Job Summary: Under the direction of the Director of Systems , the Systems Administrator ( Windows ) deploys, maintains, and troubleshoots all data center ... configuration, backups, restores, provisioning of resources, and other related activities. The Systems Administrator ( Windows ) participates in system builds,… more
    Fairleigh Dickinson University (05/03/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help ... team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the...of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network… more
    Mount Sinai Health System (03/25/25)
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  • Sr Principal Systems

    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 ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts.… more
    Northrop Grumman (06/12/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... mission-critical program with lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (05/30/25)
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  • Principal Systems

    SAIC (San Diego, CA)
    **Description** SAIC is seeking to hire a ** Principal Systems Administrator ** with a strong background in VMWare and MS server support. The ideal candidate ... technologies. The role involves ensuring the reliability and efficiency of DoD systems through hands-on technical expertise and effective problem-solving. This is an… more
    SAIC (05/22/25)
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  • Sr. Principal Systems

    RTX Corporation (Tucson, AZ)
    …create a safer, more secure world. **What You Will Do:** + Sr. Principal System Administrator , in infrastructure Workplace Services, collaborates with a team ... the server infrastructure in a heterogeneous information system. + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise… more
    RTX Corporation (05/30/25)
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  • Principal Linux Systems

    RTX Corporation (Tewksbury, MA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Principal Linux Systems Administrator 50% on site in Andover, ... our systems and support IT infrastructures around the world. ** Principal System Administrators** **,** internally known as Principal Analyst, infrastructure… more
    RTX Corporation (05/22/25)
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  • Principal Systems

    ManTech (Arlington, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products +...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (05/24/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …days + US citizenship with an active TS/SCI clearance **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux...wide variety of customer environments to include Linux and Windows . The team manages the hardware, software, network, security,… more
    Northrop Grumman (05/29/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems has an exciting career opportunity for a Principal Systems Administrator (25-229) to join our team of qualified, ... maintain user accounts + Monitor, manage, and maintain storage systems and devices + Create and maintain Windows... systems and devices + Create and maintain Windows /Linux server images + Recommend system enhancements, including but… more
    Northrop Grumman (05/17/25)
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  • Principal High Performance Cluster…

    Northrop Grumman (Baltimore, MD)
    …Grumman Classified Solutions team is seeking a well-qualified **High-Performance Cluster (HPC) Systems Administrator ** to join its dynamic team of technical ... but not be limited to the following: + Perform as primary HPC systems administrator for a large, classified government contract. + Communicate effectively… more
    Northrop Grumman (05/17/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in ... will include but not be limited to the following: + Perform as VMWare systems administrator for large, classified government contracts. + Obtain and analyze… more
    Northrop Grumman (06/14/25)
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  • Principal Systems

    Northrop Grumman (Aurora, CO)
    …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (06/05/25)
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  • Sr Principal Sys Admin - COS IT System…

    Northrop Grumman (Colorado Springs, CO)
    …and Missile Defense Systems offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System Administrator (25-262) to join ... maintain all Windows /Linux server-based applications + Ensure that all Windows /Linux-based systems have the appropriate patches installed, including but not… more
    Northrop Grumman (06/07/25)
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