• 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) ... including the Tactical Communications Support Processor and Radiant Mercury. + Serve as the System Administrator for various computer systems . + Operate the… more
    Serco (05/16/25)
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  • Senior Principal . System

    RTX Corporation (Woburn, MA)
    …eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Senior Principal System Administrator , Storage & Data Protection (P4)** ... to solve complex DT infrastructure problems. As a Senior Principal level System Administrator , this...considered. + Experience working with Storage and Data Protection systems . + Experience with Linux Operating System .… more
    RTX Corporation (05/17/25)
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  • Principal Intelligence System

    Serco (Indianapolis, IN)
    **Position Description** Serco is seeking a Principal Intelligence System Administrator to join our growing team of diverse professionals supporting the Army ... Enclaves, Tactical Communications Support Processor, and Radiant Mercury. + Serve as the System Administrator for various computer systems . + Operate Virtual… more
    Serco (05/16/25)
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  • Principal System

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS/SCI… more
    DCCA (05/19/25)
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  • Sr Principal Sys Admin - COS IT…

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System Administrator ... objects, security groups, and user accounts + Monitor, manage, and maintain storage systems and devices + Recommend system enhancements, including, but not… more
    Northrop Grumman (06/07/25)
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  • Principal Specialist System

    RTX Corporation (Woburn, MA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Specialist System Administrator , Storage & Data Protection ... solves tough, meaningful problems that create a safer, more secure world. ** System Administrators ( Principal Specialist)** collaborate with a motivated team to… more
    RTX Corporation (05/17/25)
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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 ... solves tough, meaningful problems that create a safer, more secure world. Principal System Administrator in infrastructure Workplace Services, collaborates… more
    RTX Corporation (06/10/25)
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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...will be an active part of a team of System , Network, and Storage Administrators who collaborate to support… more
    Northrop Grumman (05/29/25)
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  • Sr. Principal System

    RTX Corporation (Marlborough, MA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret + **Sr. Principal Administrator (DevSecOps SME)** - **Marlborough, MA, will sponsor a ... our systems and support DT infrastructures around the world. **Sr. Principal System Administrators** **,** internally known as Principal more
    RTX Corporation (06/13/25)
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  • High Performance Computing (HPC) System

    RTX Corporation (Tucson, AZ)
    …security clearance​ **Security Clearance:** DoD Clearance: Secret ** System Administrator , High Performance Computing (HPC)- P3** ** Principal Specialist ... to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions… more
    RTX Corporation (05/30/25)
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