• Principal Systems

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

    Northrop Grumman (Colorado Springs, CO)
    …they're making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Systems Administrator / Sr. Principal Systems ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....a dynamic environment, apply today!_ **Basic Qualifications** : + Principal : Master's Degree with 3 years of IT more
    Northrop Grumman (07/23/25)
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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 ... lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...+ **User Assistance:** Assist users in accessing and using IT systems , providing support for escalated tickets… more
    Leidos (05/13/25)
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  • Sr. Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux Systems Administrator - El Segundo, CA -Must have ... problems that create a safer, more secure world. **Sr Principal System Administrator ** in infrastructure Workplace Services,...the integrity of our systems and support IT infrastructures around the world. **Sr Principal more
    RTX Corporation (08/01/25)
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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.** ... needs + Maintain accurate and up-to-date documentation of IT systems , procedures, and user support information...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (05/24/25)
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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)
    …security threats, secure the integrity of our systems and support IT infrastructures around the world. ** Principal System Administrators** , internally known ... complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise… more
    RTX Corporation (08/02/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing… more
    Leidos (07/31/25)
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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 ... processes related to these systems . + Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all supported… more
    Northrop Grumman (06/20/25)
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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. ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at… more
    Northrop Grumman (06/25/25)
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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 Support Administrator

    Patriot Group International, Inc (Chantilly, VA)
    Principal Support Administrator Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: M-F 9A-5P ... and intelligence perspective. We are looking to hire a Principal Support Administrator to join our team...Virginia area, where we provide the delivery of advanced IT hardware, mission-critical services, and integrated technology solutions to… more
    Patriot Group International, Inc (05/09/25)
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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 ... be limited to the following: + Perform as VMWare systems administrator for large, classified government contracts....and verbal formats. + Ensure all aspects of large IT projects are tracked and completed independently or assigned… 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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  • 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 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 ... limited to the following: + Perform as primary HPC systems administrator for a large, classified government...desktop technicians, project managers, end users, and customer and IT management. + Recommend and implement system enhancements that… more
    Northrop Grumman (05/17/25)
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  • Principal Windows Systems

    Northrop Grumman (Redondo Beach, CA)
    …the best work of your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical professionals in ... but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract. + Communicate effectively… more
    Northrop Grumman (07/18/25)
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  • Northrop Grumman (DoD SkillBridge) - Linux/…

    Northrop Grumman (Linthicum Heights, MD)
    …Description:** Northrop Grumman's Classified Solutions Team is seeking a well-qualified Linux Systems Administrator to join our dynamic team of technical ... limited to the following: + Perform as a Linux Systems Administrator for a classified government contract....desktop technicians, project managers, end users, and customer and IT management. + Provide backup and recovery services, manage… more
    Northrop Grumman (08/01/25)
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  • Principal / Sr Principal Contract…

    Northrop Grumman (El Segundo, CA)
    …that much better. ​The Northrop Grumman Aeronautics Systems is looking for a Principal or Senior Principal Contract Administrator to join our team of ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...**Basic Qualifications:** This position may be offered at the Principal or Sr Principal level + … more
    Northrop Grumman (07/16/25)
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  • Principal Intelligence System…

    Serco (Fort Leavenworth, KS)
    **Position Description** Serco is seeking a Principal Intelligence System Administrator to join our dynamic team supporting the Army National Guard (ARNG) ... Tactical Communications Support Processor and Radiant Mercury. + Serve as the System Administrator for various computer systems . + Operate the Virtual Unmanned… more
    Serco (05/16/25)
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