• 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 (10/24/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …Red Hat Podman containers. Experience with Server, Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, RAID, backup and server replication ... prior systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. ​ Qualifications We… more
    RTX Corporation (10/21/25)
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  • Principal Linux Systems…

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

    Northrop Grumman (Redondo Beach, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of technical ... 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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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …mentor + Oversee administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, ... IT systems administration in a Microsoft Windows and Red Hat Enterprise Linux environment. + Experience leading technical teams including prioritization of tasks and… more
    RTX Corporation (10/24/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Experience with Windows Server internals or Linux ... WSUS, SMECP, and/or Exchange and High-Performance Computing (HPC) experience in a Linux environment. **What We Offer:** Our values drive our actions, behaviors, and… more
    RTX Corporation (10/21/25)
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  • Computer Systems Architect/ Principal

    Northrop Grumman (Manhattan Beach, CA)
    …they're making history. We are seeking either a Computer Systems Architect or Principal Computer Systems Architect to join the Protected Tactical SatCom - Ground ... Reliability, Maintainability, and Availability documentation, Mission Operations Center System Administrator support, and system architecture baseline that will meet… more
    Northrop Grumman (10/08/25)
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