IT Systems Administrator jobs in California

Anaheim, California

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Today

Job ID: 2613359 Location: Anaheim, CA, US Date Posted: 2026-06-04 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is hiring for a Systems Administrator in Anaheim, CA. This is a remote role. Role and responsibilities: The Systems Administrator is responsible for the administration, maintenance

Full-time

USD 80,001.00 - 120,000.00 per year

Mid IT Systems Administrator

San Diego, California

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Today

Job Number: R0241905 IT Systems Administrator, Mid The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the U.S. Navy? We're looking for a system administrator with a background in VMware, Windows Server, Exchange, Active Directory, Network Attached Storage, and Amazon Web Services to help us build next gen sof tware for the U.S.

Full-time

USD 61,900.00 - 141,000.00 per year

IT Systems Administrator, Mission Systems

California

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Yesterday

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. IT SYSTEMS ADMINISTRATOR, MISSION SYSTEMS SpaceX is looking for a highly skilled and versatile Launch IT Systems Administrator to support the networking, compute, and application support needs of our launch environment

Full-time

USD 95,000.00 - 115,000.00 per year

Senior IT Systems Administrator

Remote or Olympia, Washington

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Yesterday

Salary: $99,348.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-0090 Department: Board of Industrial Insurance Appeals Opening Date: 06/05/2026 Closing Date: 6/21/2026 11:59 PM Pacific Description The Board of Industrial Insurance Appeals (BIIA) is offering a challenging and rewarding opportunity for the right individual to make a difference through serving the state of Washington. Our employee

Full-time

USD 99,348.00 - 133,608.00 per year

IT - Systems Administrator (Service Support Analyst)

Remote or Austin, Texas

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Today

job summary: Your Opportunity The Distributed/Server Service Support Analyst is the primary point of contact for technology teams and vendors. The position works in the Information Technology Operations Command Center and participates in the technical administration of server systems, monitoring, acknowledging of enterprise-wide alerts and performing Incident & Change management. This role provides Incident triages, troubleshooting server issues with the use of available knowledge resources an

Contract

USD38 - USD43

IT Systems Administrator, Launch

Hawthorne, California

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Yesterday

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. IT SYSTEMS ADMINISTRATOR, LAUNCH SpaceX is looking for a highly skilled and knowledgeable IT Systems Administrator to support the networking, compute administration, and application support needs of our launch environ

Full-time

USD 95,000.00 - 115,000.00 per year

IT Systems Administrator

Seal Beach, California

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Yesterday

About AstroForge At AstroForge, our mission is to make space resources accessible on Earth. We mine asteroids to extract valuable minerals in space at a lower cost and smaller carbon footprint than current terrestrial mining methods. Along the way, we seek to leverage the technologies we build to provide additional value across other domains. We offer a unique opportunity to join an exciting team looking to expand humanity's capabilities in space. Job Description AstroForge is seeking its fir

Full-time

USD 85,500.00 - 105,250.00 per year

IT Systems Administrator

San Francisco, California

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Yesterday

Perplexity is seeking a highly skilled and experienced IT Systems Administrator to join our dynamic team, revolutionizing the way people search and interact with the internet. As an early hire in this crucial role, you will have an exciting opportunity to shape the future of our technology infrastructure from the ground up. This role is based in-person at our San Francisco office. Responsibilities Procure, maintain, and administer computers, networking equipment, and office technologyManage an

Full-time

USD 150,000.00 - 180,000.00 per year

IT Systems Administrator III

San Diego, California

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Yesterday

GROW WITH US AND STAY EXTRAORDINARY: Launch your career to new heights with Innoflight-one of San Diego's fastest-growing Aerospace and Defense innovators. Here, visionary minds engineer the future of space technology through pioneering, compact, and cyber-secure solutions. From software-defined radios to cutting-edge cryptographic systems and avionics, everything we build powers the next era of New Space. Join our small, agile, and mission-driven team where your work has real impact and your gr

Full-time

USD 98,105.00 - 147,157.00 per year

IT Experience Services Systems Administrator

Alameda, California

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Yesterday

As a IT Experience Services Systems Administrator at Penumbra, you will play a critical role in determining the company's long term goals. IT Experience Services Systems Administrator is a key technical role responsible for managing, optimizing, and securing IT systems that drive seamless business operations and enhance employee experience. As a subject matter expert (SME) for critical platforms including cloud-based contact center (TalkDesk), MDM(OPIntel) for manufacturing devices, Docusign, an

Full-time

USD 100,000.00 - 135,000.00 per year

Senior Windows Systems Administrator (Enterprise IT)

Norco, California

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Today

Job#: 3035320 Job Description: Senior Windows Systems Administrator (Enterprise IT) Location: Norco, California (Onsite) Employment Type: Contract to Perm Role Overview A Windows-focused Systems Administrator is sought to support and manage enterprise IT infrastructure across multiple environments. This individual will have a critical role in systems administration, endpoint management, security compliance, operational maturity, and mentorship of junior staff. The ideal candidate has deep ex

Easy Apply

Full-time

Systems Administrator, Classified IT

Costa Mesa, California

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Yesterday

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 113,000.00 - 149,000.00 per year

IT Administrator

Santa Clarita, California

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Today

IT Support Specialist Position Summary Responsible for maintaining and supporting information technology networks and infrastructure. This role ensures the smooth operation of systems, provides technical support to end users, and assists with onboarding/offboarding processes. Key Responsibilities Serve as an internal point of contact for network-related issues, including support for remote locations Provide helpdesk support, troubleshooting hardware and software issues in a timely manner Config

Easy Apply

Full-time

$75000.00 - $80000.00 per annum

IT/OT System Administrator

Remote or Hybrid in Des Plaines, Illinois

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5d ago

Hello,Please check the requirement below and let me know your interest applying for this roleCandidates need to have experience with Operational Technology (OT) technologies such as SCADA (Supervisory Control and Data Acquisition) and ICS (Industrial Control System).Job Description:Role: Senior IT/OT System Administrator Location: Hybrid 2x per week in Rosemont ILDuration: 6+ monthsAuthorization: Must be eligible to convert without sponsorship (USC)Interview: 1 round Teams panelManager Reference

Easy Apply

Contract

60 - 65

Senior IT Support Administrator

Santa Clara, California

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Yesterday

Santa Clara, CA (onsite) Full-time regular position with excellent salary, benefits and bonus Job Summary Our client, a reputed Semiconductor company, is looking for a Senior IT Support Administrator to provide advanced technical support and systems administration for enduser computing environments. This role serves as an escalation point for complex IT issues and is responsible for endpoint management, identity and access administration, security controls, SaaS platform support, and IT operati

Easy Apply

Full-time

130000 - 180,000

Senior Director of IT Infrastructure, Cloud, & Platform Services (Administrator III)

Chico, California

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Yesterday

Senior Director of IT Infrastructure, Cloud, & Platform Services (Administrator ) Job no: 558029 Work type: Management (MPP) Location: Chico Categories: MPP, Administrative, At-Will, Full Time, Information Systems & Technology Our Commitment to Equity, Diversity, and Inclusion: California State University (CSU), Chico is a comprehensive and residential public university, holding Hispanic-Serving Institution (HSI) designation. Chico State operates as part of the 23-campus CSU system, which

Full-time

USD 176,412.00 per year

IT Support Administrator, Projects

Hawthorne, California

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Yesterday

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. IT SUPPORT ADMINISTRATOR, PROJECTS The IT Support Administrator - Projects is responsible for the planning, administration, and successful execution of key annual IT operations, with primary ownership of the hardware

Full-time

USD 95,000.00 - 115,000.00 per year

IT Project Manager (Administrator I)

Chico, California

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Yesterday

IT Project Manager (Administrator I) Job no: 555452 Work type: Management (MPP) Location: Chico Categories: MPP, Administrative, At-Will, Full Time, Information Systems & Technology Our Commitment to Equity, Diversity, and Inclusion: California State University (CSU), Chico is a comprehensive and residential public university, holding Hispanic-Serving Institution (HSI) designation. Chico State operates as part of the 23-campus CSU system, which educates the most ethnically, economically, a

Full-time

USD 95,000.00 - 105,000.00 per year

Senior IT System Administrator

Long Beach, California

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Yesterday

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven

Full-time

USD 107,010.00 - 151,900.00 per year

Linux Administrator (IT Senior Engineer)

San Diego, California

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Yesterday

Company: Qualcomm Incorporated Job Area: Information Technology Group, Information Technology Group > IT Engineering General Summary: Knowledge in UNIX Operating systems like Red Hat Enterprise Linux / Ubuntu/SUSE and Solaris should be flexible and have cross platform working knowledge. Hands on experience in configuring and deploying Hardware devices like HP DL/BL Series Servers, Sun Hardware, Super Micro and Dell - Enclosures/Blade hardware platform. This role requires full-time onsite wo

Full-time

USD 45.77 - 68.65 per hour

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IT Systems Administrator jobs in California, USA