• Principal Linux System

    RTX Corporation (Tewksbury, MA)
    …and agility through business innovation, technical proficiency, and operational excellence. ** Principal Linux System Administrators** collaborates with many ... + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows… more
    RTX Corporation (08/19/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …solves tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, ... and create end-to-end solutions to solve complex IT infrastructure problems. ** Principal System Administrators** collaborate with teams to support exciting,… more
    RTX Corporation (09/09/25)
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  • Principal Linux System

    RTX Corporation (Tewksbury, MA)
    …of our systems and support IT infrastructures around the world. Principal System Administrators, internally known as Principal Analyst, infrastructure ... complex IT infrastructure problems. **Responsibilities to** **Anticipate** : .Provide IT systems administration in a heterogeneous Redhat Enterprise Linux ,… more
    RTX Corporation (08/15/25)
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  • Principal System

    RTX Corporation (Andover, MA)
    …team solves tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in Program Digital Services, collaborate ... a security clearance). + Experience with Microsoft Windows operating systems . + Experience with Red Hat Enterprise Linux... systems . + Experience with Red Hat Enterprise Linux + Experience with secure system configurations,… more
    RTX Corporation (09/11/25)
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  • Sr Principal HPC Linux

    Northrop Grumman (Redondo Beach, CA)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of technical ... an administrator for Red Hat or similar Linux systems within a DoD context +...systems within a DoD context + Manage HPC system life cycle: concept, design, fabrication, test, installation, operation,… more
    Northrop Grumman (09/11/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Redondo Beach, CA)
    … operating systems , workstations, and applications for several program or project areas. ** Principal Linux Systems Administrator ** + Serve as primary ... required for all recurring and non-recurring efforts ​ **Sr. Principal Linux Systems Administrator...**Background and Experience Needed For All System Administrator Positions:** + Experience maintaining Classified Linux more
    Northrop Grumman (09/14/25)
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  • Senior Linux Adminstrator

    Insight Global (Atlanta, GA)
    Job Description We are seeking a highly skilled Principal Linux Administrator to design, deploy, secure, and maintain Linux server environments, with a ... for both virtual machines and bare metal. * Harden Linux systems to meet STIG, NIST 800-171,...maintain backup and recovery solutions for Linux systems . * Troubleshoot and resolve complex operating system more
    Insight Global (09/09/25)
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  • Principal System

    RTX Corporation (Marlborough, MA)
    …growth opportunity with our DT - Information Workplace Services team for a talented Principal Systems Administrator / Analyst. You will collaborate with a ... professionals to support fast-paced, critical programs with classified information system capabilities; develop, implement and maintain secure, cost-efficient 24x7… more
    RTX Corporation (09/26/25)
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  • Principal System

    RTX Corporation (Aurora, CO)
    …a safer, more secure world. Raytheon has an opportunity for a ** Principal System Administrator ** for Linux operational support and sustainment for high ... other government mandated processes during the life cycle of systems they will maintain. **What You Will Do:** +...a security clearance. + Must have a Red Hat Linux experience + Must have system maintenance… more
    RTX Corporation (09/03/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    … + Cisco ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/ Linux Systems Administrator + VPN Network Engineer + ... + IT Administrators + IT Administrative Analyst + IT System Administrator + IT Engineers + Mechanical...Client Support Administrator + Mail Processing Equipment Systems Administrator + Multi-Factor Authentication (MFA) Engineer… more
    General Dynamics Information Technology (09/19/25)
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