Principal Linux Systems Administrator Jobs in California

21 - 40 of 398 Jobs

Senior IT Systems Engineer (Linux)Job Title - Senior IT Systems Engineer (Linux)

Relativity SpaceCompany Name - Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity's industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth - where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R,

Systems Administrator / SS&C or Advent or similar exp req(remote)Job Title - Systems Administrator / SS&C or Advent or similar exp req(remote)

KelltonCompany Name - Kellton

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Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu

Linux Systems Engineer - Active ClearanceJob Title - Linux Systems Engineer - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Systems Administrator (Azure Cloud and Web Development Support)Job Title - Systems Administrator (Azure Cloud and Web Development Support)

Satwic IncCompany Name - Satwic Inc

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Los Angeles, California, USA

Third Party, Contract

Responsibilities: Cloud Systems Support & Administration Manage and support Client's systems in Microsoft Azure IaaS environment, including setup, configuration, and deployment of infrastructure components.Provide security hardening, access control implementation, and operational support for cloud assets.Collaborate with internal and external development teams to deploy cloud-hosted solutions with secure configurations.Ensure proper integration of cloud services with on-premises infrastructure u

IT Systems Administrator IIIJob Title - IT Systems Administrator III

AreteCompany Name - Arete

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Los Angeles, California, USA

Full-time

At Aret, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation's most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee-owned company, we foster an atmosphere that propels diverse career opportunities and professional growth. Discover your future with us. Aret is seeking an experienced IT Systems Ad

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Windows Applications Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Mi

Network/Systems AdministratorJob Title - Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Systems Administrator IV to support the Department of Veterans Affairs by maintaining and optimizing server and client operating systems across a remote enterprise environment. This position will be fully remote within the United States. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrade

Systems Support Administrator - USJob Title - Systems Support Administrator - US

PearsonCompany Name - Pearson

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Remote

Full-time

Position Summary: Pearson Virtual Schools (PVS), is hiring a Systems Administrator, local to Baltimore Maryland, who will join the team who manages our School IT Services for our customers nationwide. Candidates should have practical experience in the support and administration of various IT services. We are looking for someone who has the hands-on experience as well as the ability to manage and "get things done" in a highly technical environment. Professional customer service skills and indepen

Principal Systems EngineerJob Title - Principal Systems Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Principal IT Systems EngineerJob Title - Principal IT Systems Engineer

Commonspirit HealthCompany Name - Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Systems Administrator Intern - Summer 2025Job Title - Systems Administrator Intern - Summer 2025

CACI International, Inc.Company Name - CACI International, Inc.

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Remote

Part-time

Systems Administrator Intern - Summer 2025 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI Employee Type: Part-Time On-Call Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a motivated and tech-savvy intern to join our Service Desk team on the F3I program. This internship offers a unique opportunity to gain hands-on experience in IT support and systems administration. This position w

Sr. Backup & Restore Systems Administrator- Onsite in Ft. WorthJob Title - Sr. Backup & Restore Systems Administrator- Onsite in Ft. Worth

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Fort Worth, Texas, USA

Full-time

Job Description As a Backup and Data Protection Specialist, you will be tasked with the management, configuration, and maintenance of our backup and recovery systems. The backup infrastructure you will be responsible for supports the Development Networks utilized by the Aeronautics business area to develop software for air combat platforms like the F-16, F-22 and F-35. You will ensure data protection and integrity, implement disaster recovery plans, and provide technical support for backup solu

Systems Administrator IJob Title - Systems Administrator I

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

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Remote or Middleton, Wisconsin, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.) Job Description Summarized Purpose: Join Thermo Fisher Scientific Inc. as a Systems Administrator I. Work in a dynamic and innovative environment. Ensure system stability and efficient performance. Impact the success of analytical software and dedi

Systems Administrator- High Band (Expert)Job Title - Systems Administrator- High Band (Expert)

Apex SystemsCompany Name - Apex Systems

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Beale Air Force Base, California, USA

Full-time

Job#: 2070031 Job Description: Systems Administrator (High Band) Location: Beale AFB (on-site) Yuba County, CA Travel: No Pay: $90k-$108k + location stipend of up to 10k Schedule: Shift Work (varies monthly) Type: Direct permanent hire w/ client Apply here: Please send your updated resume and relevant certifications to Emma at Location: Beale AFB (on-site) Yuba County, CA Travel: No Pay: $90k-$108k + location stipend of up to 10k Schedule: Shift Work (varies monthly) Type: Direct perma

Systems Administrator IIIJob Title - Systems Administrator III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Sparks, Nevada, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system parame

IT Systems Administrator / Top Secret / Onsite: Palmdale, CAJob Title - IT Systems Administrator / Top Secret / Onsite: Palmdale, CA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Palmdale, California, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin

Systems Administrator, Senior (MSO)Job Title - Systems Administrator, Senior (MSO)

General DynamicsCompany Name - General Dynamics

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Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: IT Networking, Networking, Networking Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Systems Administrator/Mission Support Operator - $10K Sign-on bonus *Classified work and therefore must be on-si

Senior ERP & CRM Systems AdministratorJob Title - Senior ERP & CRM Systems Administrator

iDirect Government LLC.Company Name - iDirect Government LLC.

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Remote or Herndon, Virginia, USA

Full-time

Overview The Senior ERP & CRM Systems Administrator will play a critical role within the IT team, responsible for the ongoing administration, maintenance, support, and enhancement of the company's core business applications - including Oracle E-Business Suite, Salesforce, and collaboration platforms such as Atlassian JIRA and Confluence. This position requires a hands-on, proactive professional capable of managing multiple priorities in a dynamic environment. The ideal candidate will bring stron

Systems AdministratorJob Title - Systems Administrator

WinMax Systems CorporationCompany Name - WinMax Systems Corporation

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Fremont, California, USA

Contract

Title: Systems Administrator - CW, Req# 36011700Location: Fremont, CA(onsite)Contract: 12+ Month Job Description: The Operational Technology Systems Administrator will support the technology, security and process guidance for Lam s labs and cleanrooms. The focus of this role is to help end users in the Lab environment and provide effective IT/OT systems to meet business requirements. They will manage the oversight of the engineering infrastructure (security controls, applications, network servi

Systems Administrator / Technical Lead Process Control SystemsJob Title - Systems Administrator / Technical Lead Process Control Systems

I.T. SolutionsCompany Name - I.T. Solutions

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Foster City, California, USA

Contract

Job Title: Systems Administrator / Technical Lead Process Control Systems Location: Foster City, Onsite (5 days a week) Duration: Long Term Contract Job Summary: We are looking for an experienced professional who will be responsible for administration of Rockwell FactoryTalk-based process control systems and Inductive Automation s Ignition-based process control and environmental monitoring systems. The candidate should have hands-on experience deploying, configuring, and troubleshooting these sy