• Sr Principal Systems…

    Northrop Grumman (Aurora, CO)
    …part of history, they're making history. Northrop Grumman Space Systems (NGSP) is seeking a ** Sr Principal Systems Administrator ** to join our team at our ... limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform administration on VMware technologies (or… more
    Northrop Grumman (11/13/25)
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  • Sr . Principal Systems…

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) seeks to find a ** Sr . Principal Systems Administrator ** supporting the Integrated National ... **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments from scratch. + Perform administration on… more
    Northrop Grumman (11/06/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Boulder, CO)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** 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 of… more
    Northrop Grumman (12/12/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an senior **Linux Systems Administrator ** to join its dynamic team of technical ... systems + VMWare 8+ Administration experience + Working knowledge with Splunk Enterprise deployment and configuration + Knowledge of environmental monitoring tools… more
    Northrop Grumman (11/25/25)
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  • Senior Principal Linux…

    RTX Corporation (El Segundo, CA)
    …world. **What You Will Do** + We are seeking an experienced Linux Administrator that will be working in a highly collaborative, multi-platform and multi-disciplined ... + Experience using VMWare vCenter, vSphere, Windows desktops (Windows 10, 11), Splunk and ESXi and/or other virtual computing methods. + Scripting/ automation… more
    RTX Corporation (09/26/25)
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  • Principal System Administrator

    RTX Corporation (El Segundo, CA)
    …secure the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal System Administrators,** internally known as Sr . ... Proficiency with monitoring, vulnerability scanning, and compliance assessment tools (ACAS, Splunk , Nessus, SCAP, STIG, Nagios, SolarWinds) and working knowledge of… more
    RTX Corporation (12/09/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …a computational and data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems, ... data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data group, is… more
    Mount Sinai Health System (09/22/25)
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  • Linux / AWS Systems Administrator 3/4…

    Northrop Grumman (Morrisville, NC)
    …will include but not be limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment for a classified ... Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals....**This position may be filled at either level 3 ( Principal level), or level 4 ( Sr . … more
    Northrop Grumman (11/15/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    …point into our IT Operations career path, with opportunities to grow into senior , principal , and leadership positions as you deepen your technical expertise ... Systems Administrator Location: Springfield, VA, US Job ID: ATR...complex enterprise environment, where your decisions, communications, and pattern recognition directly affect uptime and mission success. This role… more
    Arena Technical Resources, LLC (12/08/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Springfield, VA)
    …the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a diverse, multi- disciplinary ... with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our government… more
    V2X (11/25/25)
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