• Sr . Principal Linux System…

    RTX Corporation (Aurora, CO)
    …a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, ... GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation tools/frameworks… more
    RTX Corporation (07/19/25)
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  • Senior Principal Linux

    RTX Corporation (El Segundo, CA)
    …more secure world. **What You Will Do** + We are seeking an experienced Linux Administrator that will be working in a highly collaborative, multi-platform and ... operation, and maintenance of systems hardware and software related to a Linux /Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (09/26/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Baltimore, MD)
    …the best work of your career. Northrop Grumman Mission Systems is seeking a Linux Systems Administrator to join its Classified Solutions team in Linthicum, MD. ... but not be limited to the following: + Perform as a Linux /Redhat Systems Administrator for a classified government contract. + Maintain smooth operation of all… more
    Northrop Grumman (10/01/25)
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  • Sr . Principal AIX or Linux

    RTX Corporation (Tewksbury, MA)
    …secure the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal System Administrators,** internally known as Sr . ... Do:** + Provide IT systems administration in a heterogeneous AIX, Redhat Enterprise Linux , and Microsoft Windows environment. + Understanding and knowledge of AIX, … more
    RTX Corporation (10/02/25)
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  • Sr Principal HPC Linux

    Northrop Grumman (Redondo Beach, CA)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of ... log files, and updating virus definitions + Experience as an administrator for Red Hat or similar Linux systems within a DoD context + Manage HPC system life… more
    Northrop Grumman (09/11/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Redondo Beach, CA)
    …project status as required for all recurring and non-recurring efforts ​ ** Sr . Principal Linux Systems Administrator ** + Serve as a Project Lead ... may be considered in lieu of a completed degree. + ** Sr . Principal Linux Systems Administrator ** - Associate's degree and 11 years of experience, or… more
    Northrop Grumman (09/14/25)
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  • DreamWorks Technology - Sr . Systems…

    NBC Universal (Glendale, CA)
    …need to have in order to do this job?" + Minimum 10+ years as a Senior Linux system administration in a large (500+system) environment + Develop tools using ... is expected to be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform Infrastructure Engineering and… more
    NBC Universal (09/17/25)
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  • Sr . Principal HPC System…

    Northrop Grumman (Linthicum Heights, MD)
    …our mission! Northrop Grumman Mission Systems (NGMS) is seeking a ** Principal or Sr . Principal HPC System Administrator ** . This position is located at ... can be filled as a Principal or Sr . Principal HPC System Administrator **...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience… more
    Northrop Grumman (10/02/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Patuxent River, MD)
    …today. Northrop Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a ** Principal / Sr . Principal Systems Administrator ** to join the ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government...hours and weekends as needed. Basic Qualifications for a Senior Principal System Admin: + Bachelor's degree… more
    Northrop Grumman (09/18/25)
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  • Sr Principal Systems…

    Northrop Grumman (Aurora, CO)
    …to 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 ... not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform administration on VMware… more
    Northrop Grumman (09/11/25)
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  • Sr . Principal Cloud Systems…

    Northrop Grumman (Huntsville, AL)
    …Systems - Launch and Missile Defense Systems has an exciting career opportunity for a Sr . Principal Cloud Systems Administrator to join our team of ... be located in Huntsville, AL. **Position Overview:** The selected Sr . Principal Systems Administrator will...Demonstrated experience in one or more of the following: Linux Servers, DNS servers, Domain controllers, network storage devices… more
    Northrop Grumman (09/17/25)
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  • Sr Principal Windows Systems…

    Northrop Grumman (Dulles, VA)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Sr Principal Windows Systems Administrator ** to join its dynamic ... to the following:** + Perform as a Windows System Administrator for a classified government contract. + Able to...DoD 8570 Certification in a primary Operating System (Windows, Linux , Cisco) + Experience operating under and managing systems… more
    Northrop Grumman (10/03/25)
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  • Sr . Principal System…

    RTX Corporation (Plano, TX)
    …Our team solves tough, meaningful problems that create a safer, more secure world. ** Sr . Principal System Administrators** , internally known as Principal ... IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Linux Server management to include installation,… more
    RTX Corporation (09/09/25)
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  • Sr . Principal NetApp Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …Grumman's Chief Information & Digital Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management ... but not be limited to the following: + Serve as a systems administrator with shared responsibility for the effective maintenance and operational activities of the… more
    Northrop Grumman (07/18/25)
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  • Sr . Principal Systems…

    Northrop Grumman (Wright Patterson AFB, OH)
    …of history, they're making history. _Northrop Grumman Defense Systems (NGDS) is seeking a Principal / Sr . Principal Systems Administrator to maintain and ... + IAT Level II certification such as CASP+ or Security+ Proficiency with Linux Operating Systems + Experience with Cloud-based technologies, such as AWS + Expertise… more
    Northrop Grumman (09/30/25)
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  • Senior Linux Systems…

    General Dynamics Information Technology (Macdill AFB, FL)
    …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator ** and build an impactful career in ... like you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a ** Senior Linux Systems Administrator ** ,...expertise and drive for innovation to GDIT. The Systems Administrator Principal must have: + Certification: Applicable… more
    General Dynamics Information Technology (09/26/25)
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  • Senior HPC Linux System…

    Leidos (Atlanta, GA)
    **Description** The Public Health and Human Services Operation of Leidos is seeking a ** Senior HPC** ** Linux System Administrator ** to lead a team of system ... computing (HPC) infrastructure used by public health researchers and scientists. This senior -level position requires extensive Linux expertise combined with a… more
    Leidos (09/30/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems, and help support ... 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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  • Principal Engineer Software/ Sr

    Northrop Grumman (Melbourne, FL)
    …they're making history. **Northrop Grumman Aeronautics Systems Sector** is seeking a ** Principal Engineer Software** / ** Senior Principal Engineer Software** ... or more years of experience in software engineering. + **( Sr . Principal Engineer Software)** bachelor's degree in...and Bash scripting + Experience with configuration control of Linux rpms + RedHat Certified System Administrator more
    Northrop Grumman (09/14/25)
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  • (DoD SkillBridge) Principal OR Sr

    Northrop Grumman (Oak Harbor, WA)
    … Electronics Engineer - Payloads Field Service Representative level or the Senior Principal Electronics Engineer - Payloads Field Service Representative level, ... Northrop Grumman Aeronautics Systems is looking to add a ** Principal OR Sr . Principal Electronics...clearance as determined by the company. **Basic Qualifications for Senior Principal Electronics Engineer - Payloads Field… more
    Northrop Grumman (10/02/25)
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