• Principal Systems

    BAE Systems (Merrimack, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator ** **113660BR** EEO Career Site Equal ... BAE Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure… more
    BAE Systems (06/19/25)
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  • Sr. Principal Systems

    RTX Corporation (Woburn, MA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Sr. Principal Systems Administrator , Storage & Data Protection, (SME) ... to solve complex DT infrastructure problems. As a Senior Principal level System Administrator , this role will...Woburn, MA facilities related to Storage and Data Protection systems in Classified areas. **Note on Location:** This position… more
    RTX Corporation (07/04/25)
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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 ... 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 (06/12/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator - 100% onsite, Tucson, AZ, must ... our systems and support IT infrastructures around the world. ** Principal System** **Administrators,** internally known as Principal Analyst, infrastructure… more
    RTX Corporation (06/26/25)
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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.** ... software, network, and application issues + Manage and maintain computer systems , servers, and other IT infrastructure, ensuring optimal performance and security… more
    ManTech (05/24/25)
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  • Principal Systems

    RTX Corporation (Woburn, MA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator , Storage & Data Protection, Woburn, ... tough, meaningful problems that create a safer, more secure world. ** Principal System Administrators** collaborate with a motivated team to support fast-paced,… more
    RTX Corporation (07/04/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems is offering an exciting opportunity for a Principal Systems Administrator (25-292) to join our team of skilled and ... 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 (07/11/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator / Principal Systems Administrator to maintain and enhance ... demonstrate strong troubleshooting and problem-solving skills **Basic Qualifications for a Principal Systems Administrator ** : + Active Department of Defense… more
    Northrop Grumman (07/03/25)
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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, ... of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux Systems and Infrastructure in… more
    Northrop Grumman (05/29/25)
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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 ... with lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (05/13/25)
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  • Linux Principal Windows Systems

    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 Serco?** Join… more
    Serco (05/17/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced **Senior Principal Windows Systems Administrator ** to join its dynamic ... 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 Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (07/11/25)
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  • Principal Cyber Systems

    Northrop Grumman (Tampa, FL)
    …best work of your career. We are looking for you to join our team as a Principal Cyber Systems Administrator based out of Tampa, FL. _Please Note:_ + _Due ... 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 (06/20/25)
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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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  • Principal Linux System Administrator

    Northrop Grumman (Huntsville, AL)
    …will include but not be limited to the following: **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Linux Systems Administrator to join our dynamic Classified Solutions team… more
    Northrop Grumman (07/15/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …Grumman Classified Solutions team is seeking a highly experienced **Senior Windows Systems Administrator ** to join its dynamic team of technical professionals. ... 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 Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (07/09/25)
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  • Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels… more
    Northrop Grumman (07/08/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    …your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in ... but not be limited to the following: + Perform as VMWare systems administrator for large, classified government contracts. + Obtain and analyze internal and… more
    Northrop Grumman (07/08/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... 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 (07/02/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels… more
    Northrop Grumman (06/25/25)
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