• Principal Linux System

    General Dynamics Information Technology (Livermore, CA)
    …**Job Description:** $10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible ... hardware upgrades. + Core Systems : Domain Controllers, Linux servers, DNS, VMware, HPE Blade System ,...Enterprise Linux 7, Red Hat Clustering + System administration and IT certification in … more
    General Dynamics Information Technology (08/09/25)
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  • Sr. Principal Linux System

    RTX Corporation (Tucson, AZ)
    …of our systems and support IT infrastructures around the world. **Sr. Principal Linux System Administrators (SME),** internally known as Principal ... are eligible for a security clearance. + Experience with Red Hat Enterprise Linux (RHEL), including system installation, administration , patching, and… more
    RTX Corporation (10/02/25)
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  • Principal Linux System

    BAE Systems (Manchester, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Linux System Administrator** **114328BR** EEO Career Site Equal ... **Key responsibilities include:** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and… more
    BAE Systems (09/09/25)
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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 & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with...environments. The ideal candidate will bring strong expertise in Linux system administration , infrastructure automation,… more
    Leidos (07/31/25)
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  • Principal Linux System

    Northrop Grumman (Roy, UT)
    …they're making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Linux Systems Administrator to join our dynamic Classified ... continuous improvement within the team. **Basic Qualifications for a Principal Systems Administrator:** + Bachelor's degree in...experience + Minimum of three years of experience with Systems Administration for Linux Operating… more
    Northrop Grumman (09/18/25)
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  • Principal Linux DevOps Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …your career. The Northrop Grumman Classified Solutions team is seeking an experienced ** Principal Linux DevOps Engineer** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (09/25/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator. + Responsibilities include building, ... SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using...Bash and Python **Qualifications We Prefer:** + Deployment and administration of systems , storage, and networking in… more
    RTX Corporation (07/19/25)
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  • Principal Platform Engineer / Linux

    RTX Corporation (Springfield, VA)
    …work experience + Experience with VMware: vCenter and ESXi + Experience with Linux system administration (RHEL/OL preferred) + Experience with networking ... more secure world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded...+ You will participate in the deployment of new system baselines (eg operating systems , software, network… more
    RTX Corporation (08/08/25)
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  • LINUX Sr Principal Systems

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** Job Description **Senior Principal Systems Engineer - Linux ** Design, deploy, ... At GDIT, people are our differentiator. As a **Senior Principal Systems Engineer - Linux **...realm for ongoing compliance updates). + Develop an operating system lifecycle plan with integration of DoD STIGs and… more
    General Dynamics Information Technology (09/23/25)
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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 ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (09/23/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Baltimore, MD)
    …and team to do some of the best work of your career. Northrop Grumman Mission Systems is seeking a Linux Systems Administrator to join its Classified ... will include but not be limited to the following: + Perform as a Linux /Redhat Systems Administrator for a classified government contract. + Maintain smooth… more
    Northrop Grumman (10/01/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: ... meaningful problems that create a safer, more secure world. ** Principal System Administrator** in infrastructure Workplace Services,...You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux more
    RTX Corporation (09/09/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux administration , backup, and ... secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous RedHat Enterprise...containers. + Experience with Server, Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, RAID, backup… more
    RTX Corporation (09/24/25)
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  • Linux Architect/ Principal

    Northrop Grumman (Huntsville, AL)
    …this position is contingent upon funding/award** **Job Duties:** + Perform as Linux Systems Administrator for a large, classified government contract(s). + ... environment. + Experience implementing STIGs (Security Technical Implementation Guides) on Linux systems . + General Linux troubleshooting experience.… more
    Northrop Grumman (10/01/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …some of, but not limited to, the following technologies: Windows or Linux administration , backup, and recovery enterprise suite **Preferred Qualifications:** + ... candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows… more
    RTX Corporation (09/26/25)
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  • Sr. Principal AIX or Linux

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

    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 ... + Experience with configuring, administering, and maintaining Red Hat or other Linux systems . **Preferred Qualifications:** + Bachelor's degree in Information… 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 ... Grumman's Chief Information and Digital Office is seeking well-qualified Linux System Administrators to join its dynamic...required for all recurring and non-recurring efforts ​ **Sr. Principal Linux Systems Administrator** +… more
    Northrop Grumman (09/14/25)
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  • Principal System Admin

    RTX Corporation (Marlborough, MA)
    …DoD Top Secret security clearance is required. + Minimum 5 years of direct Linux Systems Administration / networking experience with combinations of ... DT - Information Workplace Services team for a talented Principal Systems Administrator / Analyst. You will...Veeam, MySQL, Remote Desktop Gateway, and Splunk, Windows or Linux administration ; experience with backup and recovery… more
    RTX Corporation (08/02/25)
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  • Principal System Administrator…

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