• Principal Linux System

    BAE Systems (Manchester, NH)
    …awards. Other incentives may be available based on position level and/or job specifics. ** Principal Linux System Administrator ** **114328BR** EEO Career ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator ...experience with a degree) as a system administrator . + Strong command of Linux RHEL… more
    BAE Systems (09/09/25)
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  • Principal Linux System

    General Dynamics Information Technology (Livermore, CA)
    …$10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible for the ... hardware upgrades. + Core Systems : Domain Controllers, Linux servers, DNS, VMware, HPE Blade System , Storage switches + Supplemental Systems / Software:… 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 ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator...environments. The ideal candidate will bring strong expertise in Linux system administration, infrastructure automation, and modern… 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 ... continuous improvement within the team. **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's...experience + Minimum of three years of experience with Systems Administration for Linux Operating Systems more
    Northrop Grumman (09/18/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (08/11/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …will be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, ... Security, GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation… 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 ... 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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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. + Experience with ... secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft...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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  • Principal /Sr. Principal

    Northrop Grumman (Baltimore, MD)
    …best work of your career. Northrop Grumman Mission Systems is seeking a Linux Systems Administrator to join its Classified Solutions team in Linthicum, ... be limited to the following: + Perform as a Linux /Redhat Systems Administrator for a...operation of all computer infrastructure in a multi-user computer system environment, including coordination of efforts with systems more
    Northrop Grumman (10/01/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We 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...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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  • Northrop Grumman (DoD SkillBridge) - Linux

    Northrop Grumman (Linthicum Heights, MD)
    …**Job Description:** Northrop Grumman's Classified Solutions Team is seeking a well-qualified Linux Systems Administrator to join our dynamic team ... be limited to the following: + Perform as a Linux Systems Administrator for a...government contract. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (08/01/25)
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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 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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  • Sr. Principal AIX or Linux

    RTX Corporation (Tewksbury, MA)
    …of our systems and support IT infrastructures around the world. **Sr. Principal System Administrators,** internally known as Sr. Principal Analyst, ... 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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  • 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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  • 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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  • Senior Linux Systems

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

    Mount Sinai Health System (New York, NY)
    Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in the ... team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the...and metrics, etc. The infrastructure includes both Windows and Linux systems with file servers in multiple… more
    Mount Sinai Health System (09/22/25)
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