• COLSA Corporation (Huntsville, AL)
    …security, or a related field. + 10 + years working as an ISSE and/or Linux system administrator + Ability to clearly present and communicate technical approaches ... systems, networks, and database products. This role is 100% on-site Principal Duties and Responsibilities (*Essential functions) + Designs, develops, tests, and… more
    DirectEmployers Association (10/04/25)
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  • Principal Linux System…

    BAE Systems (Manchester, NH)
    …able to lift equipment (up to 40lbs) and work within controlled environments. **In this Principal Linux Administrator position you will make impacts in the ... may be available based on position level and/or job specifics. ** Principal Linux System Administrator ** **117055BR** EEO Career Site Equal Opportunity… more
    BAE Systems (10/07/25)
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  • Principal Linux System…

    General Dynamics Information Technology (Livermore, CA)
    …experience **US Citizenship Required:** Yes **Job Description:** $10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Microsoft Server Operating Systems,Microsoft Windows Environment **Certifications:** Security+, CE… more
    General Dynamics Information Technology (08/09/25)
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  • Principal Linux Systems…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... difference in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and… more
    Leidos (07/31/25)
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  • Principal Linux System…

    Northrop Grumman (Roy, UT)
    …history, they're making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Linux Systems Administrator to join our dynamic ... sharing and continuous improvement within the team. **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, Technology,… more
    Northrop Grumman (09/18/25)
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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 (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…

    Northrop Grumman (Baltimore, MD)
    …work of your career. Northrop Grumman Mission Systems is seeking a well-qualified ** Linux Systems Administrator ** to join its Classified Solutions team of ... but not be limited to the following: + Perform as primary Linux Systems Administrator for a large, classified government contract. + Communicate effectively at… more
    Northrop Grumman (10/15/25)
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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 (10/28/25)
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  • Principal Linux Systems…

    Northrop Grumman (Aurora, CO)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all… more
    Northrop Grumman (09/23/25)
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