System administration jobs in California

AIX Senior System Admin - Infrastructure Platforms (Remote)

Remote or Raleigh, North Carolina

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Today

Overview This is a remote role that may only be hired in the following location(s): Arizona, North Carolina and Texas. We are seeking a highly experienced Senior AIX Systems Administrator to join our Platform Computing Operations team supporting critical banking platforms. This role is responsible for the administration, maintenance, security, performance, and availability of IBM Power Systems and AIX environments that support mission-critical financial applications. The ideal candidate will p

Full-time

depends on experience

AIX Senior System Admin - Infrastructure Platforms (Remote)

Remote or Raleigh, North Carolina

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Today

Full-time

depends on experience

AIX Senior System Admin - Infrastructure Platforms (Remote)

Remote or Texas

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Today

Full-time

depends on experience

Space Operations Systems Integration Engineer

El Segundo, California

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Today

Job ID: 2614984 Location: El Segundo, CA, US Date Posted: 2026-07-27 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC's Horizon 2 program is seeking your, our latest Space Operations Systems Integrator to serve as a subject matter expert in support to the U.S.

Full-time

USD 160,001.00 - 200,000.00 per year

AIX Senior System Admin - Infrastructure Platforms (Remote)

Remote or Arizona

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Today

Full-time

depends on experience

Maintenance Support Technician

Carson, California

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Today

Job Description Job Title: Maintenance Technician Location: Carson, CA Zip Code: 90745 Pay: $35 - $40 an hour/ DoE Start Date: ASAP Job Type: Temp to Hire Keywords: #maintenance #mechanical #electrical #plc A Maintenance Technician job is available with a service client who can be in Carson, CA. In this role, you will be responsible for supporting the LPS project and commissioning team in the following areas Preventive Maintenance Inspections (PMI), Routine Maintenance Contracts (RMC), Planned S

Easy Apply

Full-time

Compensation information provided in the description

Senior Mainframe Engineer

Hybrid in San Diego, California

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Today

Overview Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be authorized to work in the United States without the need for current or future sponsorship. Define, develop and implement Mainframe or distributed automation strategies and policies for eliminating manual intervention during the management of systems and workloads. Architect, Design and deliver automated solutions to improve the efficiency and effectiveness of the systems operations enviro

Full-time

$114,500-$179,500 per year

VMware System Administrator

San Diego, California

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Today

Job ID: 2615246 Location: San Diego, CA, US Date Posted: 2026-08-05 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is hiring a VMware System Administrator to be located in San Diego, CA. The successful candidate will provide VMware Virtual Desktop Infrastructure (VDI) engineering and Micr

Full-time

USD 80,001.00 - 120,000.00 per year

Technical Security Application Engineer, Secured Spaces

Costa Mesa, California

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Today

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

Full-time

USD 146,000.00 - 194,000.00 per year

Devops Engineer IV

San Diego, California

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Today

Job Summary General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies. We have an exciting opportunity for a DevOps Engineer to join our Core Services IT organization supporting the D-D National Fusion Facility. The position is located in San Diego, CA. As our scientific

Full-time

USD 98,100.00 - 171,398.00 per year

Site Reliability Engineer (Top Secret Clearance)

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SITE RELIABILITY ENGINEER (TOP SECRET CLEARANCE) As a member of the Classified IT Systems Engineering team, the Site Reliability Engineer is involved in designing scalable systems capable of supporting a growing volum

Full-time

USD 145,000.00 - 175,000.00 per year

Software Infrastructure Engineer (Starlink)

Palo Alto, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SOFTWARE INFRASTRUCTURE ENGINEER (STARLINK) At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the world's

Full-time

USD 135,000.00 - 160,000.00 per year

F-35 Systems Engineer

San Diego, California

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Today

Job Description WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. F-35 training simulator careers is undoubtedly cool THE WORK The

Full-time

USD 73,400.00 - 129,260.00 per year

Staff Systems Administrator - Field Engineer - Clearance Required

Beale Air Force Base, California

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Today

Job Description WHAT WE'RE DOING We deliver innovative, time-critical, SME-level technical expertise to the C4ISR family of fielded ground systems that support our customers in the field. Our Field Engineers provide technical support to operations forward environments and sustain and maintain the infrastructure and integration activities for our delivered C2 Ground Systems. THE WORK In this critical role, you will: Provide SME level field systems administration expertise to the sustained ope

Full-time

USD 104,500.00 - 184,115.00 per year

HR Systems Administrator

Highland, California

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Today

The HRIS System Administrator is responsible for the day-to-day administration, support, and ongoing maintenance of the Workday platform. Additionally, this role is responsible for creating and supporting the departments' SharePoint applications and PowerBI reports. This role ensures system stability, data accuracy, and timely processing of requests while balancing multiple priorities. Collaborates with various HR teams. This person is detail oriented, highly organized, and able to deliver accur

Full-time

IT Systems Administrator, Sr. (Level 3) / Onsite: Palmdale, CA

Palmdale, California

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Today

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

Full-time

USD 85,500.00 - 150,765.00 per year

Technical Analyst, Utility Operation Technology

San Jose, California

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Technical Analyst for a Full Time assignment with one of our premier Utility i ndustry clients in San Jose, CA . Position Summary We are seeking a Technical Analyst to support a portfolio of enterprise applications that enable utility operations. This role is responsible for the administration, configuration, maintenance, integration, and support of business-critical operational systems used across multiple departments. The ideal ca

Full-time

USD 100,000.00 - 122,000.00 per year

Technical Telecommunications Migration Specialist

Irvine, California

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Today

Technical Telecommunications Migration Specialist Our client is looking for a Telecommunications Migration Engineer to play a key role in a large-scale enterprise voice modernization initiative. This is an opportunity to work on a high-impact project involving Microsoft Teams Phone, Mitel PBX, and AudioCodes technologies while partnering with technical teams to deliver a successful migration from legacy voice systems. As part of our process after applying, you may receive an invitation from our

Easy Apply

Contract

USD60 - USD70

Business Systems Analyst III

Newport Beach, California

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Job#: 3045522 Job Description: Business Systems Analyst Location: Remote Rate: $75-80 an hour The role involves senior-level operational leadership for People Systems operations, focusing on HRIS production support, backlog management, operational governance, and collaboration across Workday and related platforms. Key responsibilities include managing HRIS intake, production support, Workday security, release management, enhancements, operational governance, reporting, audit, and controls.

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Full-time

$75 - $82 per hour

Financial System Administrator (Beale AFB)

Marysville, California

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Today

Overview Job Title: Financial System Administrator (Beale AFB) Location: Marysville, California Rivet Operations Company is looking for a Financial System Administrator (FSA) to provide computer systems and financial systems application administration in support of ACC Host Base Comptroller Squadron at Beale AFB. This role assures uninterrupted daily financial operations and long-term system viability through computer operations, local area network (LAN) component and personal computer (PC) in

Full-time

USD 22.34 - 27.15 per hour

System administration jobs in California, USA