• Senior Systems Administrator

    GovCIO (Sacramento, CA)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6238/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/18/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …and more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations\. **What You ... In this role, you will perform a variety of activities in information systems design, development, and analysis encompassing one or more of the following areas… more
    Lockheed Martin (07/12/25)
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  • Sr Linux Systems

    RTX Corporation (El Segundo, CA)
    …**What You Will Do** : + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Collaborate with Cyber to maintain and monitor ... logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate...Experience with Databases including MariaDB, Oracle, and SQL + Linux OS Certificate ( RHCSA / Linux +… more
    RTX Corporation (07/03/25)
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  • Linux /Windows Senior Systems

    Lockheed Martin (San Diego, CA)
    …Network/System Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment, imaging, and ... Active Directory and SCCM \- Experience with Aegis and other BMD systems /platforms \- Experience interacting with both internal and external customers/end\-users \-… more
    Lockheed Martin (07/12/25)
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  • Senior Linux System…

    General Dynamics Information Technology (Livermore, CA)
    …Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible for ... Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,Microsoft Server Operating Systems more
    General Dynamics Information Technology (05/10/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior Windows Systems Administrator ** to join its dynamic team ... to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (07/09/25)
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  • Sr . System Administrator

    Financial Partners Credit Union (Costa Mesa, CA)
    …Pay Range $115,763.00 - $162,200.00 Position Type Full Time Job Description The Senior System Administrator is responsible for ensuring the seamless operation, ... configuration, and maintenance of physical and virtual servers across various operating systems , including Windows Server, Linux , and Unix. + Resource management… more
    Financial Partners Credit Union (06/02/25)
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  • Sr . Windows Administrator /Test Lab…

    Leidos (San Diego, CA)
    …must have an active TS/SCI Polygraph up front. No exceptions.* We are hiring a ** Senior Windows Administrator / Test Lab Manager** to join a high performing ... + Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware, VSphere and Vsphere architecture, VCenter.… more
    Leidos (05/22/25)
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  • Principal/ Sr Principal Network Engineer

    Northrop Grumman (San Diego, CA)
    …+ Experience with deploying, configuring, and hardening Network Devices + Experience with Linux Operating Systems + Working knowledge of routing & switching ... + Experience with deploying, configuring, and hardening Network Devices + Experience with Linux Operating Systems + Working knowledge of routing & switching… more
    Northrop Grumman (05/23/25)
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  • Systems Administrator

    General Dynamics Information Technology (Livermore, CA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus** ... life balance for all members of team. **Other duties include:** + Monitoring, recognition , evaluation, and correction of IT systems , network and satellite ground… more
    General Dynamics Information Technology (07/07/25)
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  • Sr . System Engineer - Connected Car…

    Hyundai Autoever America (Costa Mesa, CA)
    …of business, computers, information systems or related degree. + 5+ years as Linux System Administrator with RedHat, CentOS, and Rocky Linux , experience ... PURPOSE: The Sr . System Engineer is responsible for leading the...equipment, and other IT infrastructure components impacting the CCS systems ' performance and stability, conducting analysis, and testing, and… more
    Hyundai Autoever America (04/24/25)
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  • Cloud Systems Administrator

    General Atomics (San Diego, CA)
    …electronic, wireless and laser technologies. General Atomics is seeking to hire a Systems Administrator to join our team. This position will be responsible ... for administration, configuration, installation, provisioning, and monitoring of Linux systems in a hybrid cloud environment....VMware, Azure, AWS + Previous working experience as a Linux Administrator for (10) year(s) with strong… more
    General Atomics (07/02/25)
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  • Senior Red Hat Systems

    L3Harris (Anaheim, CA)
    …sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Integration & Test Engineering Job Code: 22004 Job Location: Anaheim, CA ... technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental solutions, avionics and… more
    L3Harris (06/12/25)
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  • Cyber System Security Engineer Sr

    Lockheed Martin (Palmdale, CA)
    …corporate responsibility\. Your mission is ours\. **Key Responsibilities** : The Cyber Systems Security Engineer Sr will be responsible for designing, assembly, ... CCNA, and/or CCNP certification or equivalent * Red Hat Certified System Administrator or Linux \+ certification or equivalent\. * Experience with networking… more
    Lockheed Martin (07/18/25)
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  • Senior Database Administrator

    CoStar Realty Information, Inc. (Orange County, CA)
    Senior Database Administrator (PostgreSQL) Job Description CoStar Group serves up over 1.8PB of data from more than 800 SQL Servers that span four On-Premise ... Our highly motivated, extremely talented DBA group is looking for an exceptionally bright Senior Database Administrator both On-prem and AWS Cloud that will help… more
    CoStar Realty Information, Inc. (06/17/25)
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  • (DoD SkillBridge) Sr . Principal…

    Northrop Grumman (San Diego, CA)
    …in DoD SkillBridge Program prior to start of internship Northrop Grumman Aeronautics Systems is looking to add a ** Sr . Principal Electronics Engineer - ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (07/03/25)
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  • Sr . Principal Electronics Engineer - Field…

    Northrop Grumman (San Diego, CA)
    …employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Sr . Principal Electronics Engineer - ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (06/18/25)
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  • Enterprise Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Camp Pendleton, CA)
    Enterprise Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one ... United States Marine Corps? We're looking for a system administrator who will work to support a Defensive Cyberspace...wait. You Have: + 7+ years of experience in systems administration including Linux and Linux more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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  • Senior High Performance Computing System…

    The Boeing Company (El Segundo, CA)
    …us. The Boeing Company is looking for a highly experienced and detail-oriented ** Senior High Performance Computing System Administrator ** to join the team in ... classified and proprietary information. The High Performance Computing (HPC) System Administrator will work with opportunities that include the development and… more
    The Boeing Company (07/18/25)
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  • SR Information Security Engineer

    Lumen (Sacramento, CA)
    …role working towards the development of new solutions, processes, tools, systems that have company-wide and possibly industry-wide impacts. + Frequent contact ... with senior leadership of customers and contractors for the purpose...Event Manager) application is desired - ArcSight or Splunk administrator experience/exposure is a plus. Ability to develop and… more
    Lumen (07/18/25)
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