IT Systems Administrator jobs in California

Sr. IT Systems Administrator, Mission Systems

California

•

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

Full-time

USD 95,000.00 - 120,000.00 per year

Sr. IT Systems Administrator, IT Applications

Hawthorne, California

•

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. SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms-especially the full Atlassian suite

Full-time

USD 95,000.00 - 120,000.00 per year

IT System Administrator II

City of Atwater, California

•

Today

Overview The IT System Administrator II is an experienced technical position within the IT Engineering team, responsible for the support, installation, configuration, operation and maintenance of hardware and software systems throughout our health centers. This includes evaluation and implementation services of new products, technologies and solutions to address organization wide business requirements Responsibilities Take business or technical requests, assess requirements, design solutions,

Easy Apply

Contract

$34.00 - $42.00 per hour

Senior Systems Administrator, IT Applications

Remote or Hybrid in Hyderabad, Telangana

•

Today

Why Ryan? Global Award-Winning CultureFlexible Work EnvironmentGenerous Paid Time OffWorld-Class Benefits and CompensationRapid Growth OpportunitiesCompany Sponsored Two-Way TransportationExponential Career Growth The Senior Systems Administrator, ITSM, analyzes business requirements and delivers optimal solutions using ITSM best practices and tools, including the Ivanti suite. This role is critical in ensuring ITSM processes are effectively implemented, aligned with business goals, and adhere

Full-time

IT Systems Administrator

Alameda, California

•

Today

Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of va

Full-time

USD 108,700.00 - 127,900.00 per year

Senior IT Systems Administrator I

Mountain View, California

•

Today

Harness is the AI Software Delivery Platform company, led by technologist and entrepreneur Jyoti Bansal (founder of AppDynamics, acquired by Cisco for $3.7B). Harness has raised approximately $570M in funding and is valued at $5.5B, backed by leading investors including Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, Citi Ventures, and more. As AI accelerates code creation, the real bottleneck has shifted to everything after the code - testing, deployments, application security, reliabilit

Full-time

USD 115,000.00 - 130,000.00 per year

IT Systems Administrator - Millennium Space Systems

El Segundo, California

•

Today

IT Systems Administrator - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge th

Full-time

USD 102,850.00 - 151,250.00 per year

IT Systems Administrator

San Francisco, California

•

Today

Substack is building a new economic engine for culture, giving the brightest, most interesting, and most creative people on the internet the power of their own publishing platform. Substack empowers independent writers, artists, videographers, podcasters, and creators of all types to create, share, and make a living off their work through subscriptions, while offering them creative freedom, ownership, and a direct connection to their audiences. About the Role We're looking for an IT Systems Ad

Full-time

USD 120,000.00 - 160,000.00 per year

Senior Systems Administrator, Classified IT

Costa Mesa, California

•

3d ago

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

IT System Administrator II

City of Atwater, California

•

Today

Easy Apply

Contract

$34.00 - $42.00 per hour

IT ServiceNow Administrator | Remote, USA

Remote or Overland Park, Kansas

•

Today

The IT ServiceNow Administrator is responsible for the day-to-day administration, configuration, maintenance, and support of the ServiceNow platform. This role will help ensure the platform remains stable, secure, and effective while supporting ongoing improvements to IT service management processes. The ideal candidate is a hands-on administrator who can independently manage standard platform needs, troubleshoot issues, and continue developing their ServiceNow knowledge How you'll make an impa

Full-time

Systems Administrator II

San Marcos, California

•

Today

TrueCare is a trusted healthcare provider serving San Diego and Riverside Counties, offering compassionate and comprehensive care to underserved communities. We are committed to making healthcare accessible to everyone, regardless of income or insurance status. With a focus on culturally sensitive, affordable services, TrueCare aims to improve the health of diverse communities. Our vision is to be the premier healthcare provider in the region, delivering exceptional patient experiences through i

Full-time

USD 43.03 - 64.54 per hour

Director of IT Customer Service (Administrator II)

Chico, California

•

Today

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, and academically diverse student body in the nation. The University enrolls over 15,000 students, with over half identifying as first-generation college students. Chico State is committed t

Full-time

USD 150,000.00 per year

Senior Director of Cloud Applications (Administrator III, Range 1) - San Francisco Bay Region Network, Information Technology Services

California

•

Today

Working Title Senior Director of Cloud Applications Administrator Level This position is an Administrator in the California State University Management Personnel Plan (MPP), reporting to the Network Chief Information Officer. SF State University **The primary work location and designated home-campus for this role is SFSU** San Francisco State is an Equal Opportunity Employer and does not discriminate against persons on the basis of race, religion, color, ancestry, age, disability, genetic info

Full-time

USD 14,727.00 - 16,277.00 per month

IT System Administrator (Sacramento)

Sacramento, California

•

Today

Peak Energy Job Title: IT System Administrator (Sacramento) Location: Sacramento, California Department: IT Reports To: Senior IT Manager Position Type: Full-time, In-person About the Company Peak Energy is the first American venture to advance globally proven sodium-ion battery systems as the storage standard for the new era of renewable energy on a resilient grid. Sodium-ion is cheap, readily available, and safe - making it the leading contender in a rapidly evolving market. Our leadersh

Full-time

USD 100,000.00 - 140,000.00 per year

IT Administrator

San Francisco, California

•

Today

Mapbox is the leading real-time location platform for a new generation of location-aware businesses. Mapbox is the only platform that equips organizations with the full set of tools to power the navigation of people, packages, and vehicles everywhere. More than 4 million registered developers have chosen Mapbox because of the platform's flexibility, security and privacy compliance. Organizations use Mapbox applications, data, SDKs and APIs to create customized and immersive experiences that deli

Full-time

USD 83,300.00 - 112,700.00 per year

Systems Administrator

Remote or Pittsburgh, Pennsylvania

•

Today

Description We are looking for a Systems Administrator to support daily IT operations and deliver reliable technical service for teams in Pittsburgh, Pennsylvania. This Long-term Contract position focuses on managing support requests, maintaining secure access across business systems, and helping ensure infrastructure updates are carried out in a controlled and well-documented manner. The ideal candidate brings strong troubleshooting ability, clear communication skills, and hands-on experience w

Easy Apply

Contract

Systems Administrator

Menlo Park, California

•

Today

Description We are looking for a Systems Administrator to support and strengthen enterprise infrastructure for an investment management organization in Menlo Park, California. This Long-term Contract position focuses on maintaining secure, reliable systems across identity, endpoint, network, and Microsoft environments. The ideal candidate brings a hands-on approach to administration and security, along with the ability to independently lead infrastructure initiatives in a regulated setting. Res

Easy Apply

Contract

USD 38.00 - 44.00 per hour

IT Network & Telecoms Administrator - Journey

Remote or Olympia, Washington

•

Today

Salary : $85,800.00 - $115,416.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-9-6701-07461 Department: Dept. of Natural Resources Opening Date: 09/21/2026 Closing Date: 10/5/2026 11:59 PM Pacific Salary Information: The high end of the salary range, Step M is typically a longevity step Description IT Network & Telecoms Administrator - JourneyRecruitment #2026-9-6701 Full-time, Permanent, Represented positio

Full-time

USD 85,800.00 - 115,416.00 per year

Desktop Administrator II, IT Infrastructure

Remote or Hybrid in Calgary, Alberta

•

Today

Why Ryan? Hybrid and Remote Work OptionsAward-Winning CultureGenerous Personal Time Off (PTO) BenefitsUp to 20 Weeks of Parental Leave Top-up (Adoption IncludedMonthly Gym Membership OR Gym Equipment ReimbursementHealth and Dental Benefit Eligibility Effective Day OneRRSP with Employer MatchTuition Reimbursement After One Year of Service The Desktop Administrator II ("Desktop Administrator") maintains and manages distributed desktop and laptop systems and software, including, but not limited to

Full-time

USD 57,500.00 - 80,500.00 per year

IT Systems Administrator jobs in California, USA