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 Systems Administrator

Los Angeles, California

•

Today

Description IT Systems Administrator Company Overview A leading organization in the media, entertainment, and creative technology industry is seeking an IT Systems Administrator to support a highly collaborative and innovative environment. Based in Los Angeles, California, the company relies on modern technology solutions to support employees across multiple North American locations. This is an excellent opportunity for a technology professional who enjoys blending hands-on end-user support wi

Easy Apply

Full-time

USD 65,000.00 - 75,000.00 per year

Senior Systems Administrator - Scientific IT Infrastructure & Cybersecurity

Berkeley, California

•

27d ago

Senior Systems Administrator Scientific IT Infrastructure & Cybersecurity - 107237 Division: AL-Advanced Light Source Lawrence Berkeley National Laboratory's (Berkeley Lab) Advanced Light Source (ALS) Division has an opening for a Senior Systems Administrator - Scientific IT Infrastructure & Cybersecurity. This position will supervise the ALS-IT team and provide strategic and technical direction for the systems, servers, networks, and cybersecurity infrastructure supporting more than 40 scientif

Full-time

$179,000 - $218,000

Senior Systems Administrator, IT Applications

Remote or Hybrid in Hyderabad, Telangana

•

2d ago

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

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

•

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 146,000.00 - 194,000.00 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

IT System Administrator

Los Angeles, California

•

17d ago

IT SYSTEM ADMINISTRATOR Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. We are looking for an early-career IT As a Junior System Administrator at Freeform. In this role, you will keep the systems that power our factory, engineer

Full-time

USD 80,000.00 - 100,000.00 per year

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

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

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

•

2d ago

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

Systems Administrator/Information Assurance Support - Journeyman

Remote or Dayton, Ohio

•

Today

As an IT professional with MTSI, you will be responsible for installation, upgrading, monitoring, maintaining and supporting networks, software and hardware systems for multiple Special Access Programs (SAP) and Sensitive Compartmented Information (SCI) infrastructure. You will interact daily with program managers, engineers, and industry subject matter experts across multiple Service domains supporting Department of Defense (DoD) Services and Agencies, and Intelligence Community (IC) customers.

Full-time

Director of IT Systems - Sales & Marketing

Remote

•

2d ago

Job Title: Director of IT Systems - Sales & Marketing Location: Louisville, KY Type: Direct Hire Work Model: Remote Hours: 40.0 Overview System One is seeking aDirector of IT Systems - Sales & Marketingfor a Direct Hire/Perm opportunity to work fully remote. Responsibilities Work closely with Sales, Marketing, and Operations teams to understand business needs and translate them into technical solutions.Develop and execute IT strategies that align with organizational sales and marketing goals.Pa

Easy Apply

Full-time

Depends on Experience

IT Platform Administrator (ARL)

Remote or State College, Pennsylvania

•

Today

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday.CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday.If you are NOT a current empl

Full-time

USD 80,100.00 - 132,204.00 per year

IT System Administrator (Burlingame)

Burlingame, California

•

Today

Peak Energy Job Title: IT System Administrator (Burlingame) Location: Burlingame, 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 110,000.00 - 150,000.00 per year

IT Systems Administrator jobs in California, USA