Tech Jobs in Ontario, CA
172,827 open positions · Updated daily
Ontario, CA sits in the heart of Orange County, a region that blends the innovation of the Greater Los Angeles tech corridor with a more affordable lifestyle. The city’s proximity to major hubs like Irvine, Santa Ana, and the bustling downtown Los Angeles area means tech talent can tap into a diverse ecosystem of startups, established firms, and research institutions while enjoying a lower cost of living. The presence of the Ontario International Airport further fuels a strong logistics technology sector, attracting companies that need real‑time data solutions for freight and supply chain operations.
Tech companies in Ontario span several verticals. Software and web development firms such as Adobe’s regional office and Oracle’s Irvine branch thrive here, alongside biotech innovators like Genentech’s Orange County lab and Life Sciences Park startups. The city also hosts hardware manufacturers, including Intel’s manufacturing plant in nearby Santa Ana, and telecommunications leaders like T‑Mobile’s Orange County headquarters. With the University of California, Irvine nearby, research collaborations and talent pipelines flow directly into local tech teams.
Ontario’s median rent hovers around $2,500 a month, significantly below the $3,500 average in central Los Angeles, but salaries for tech roles have been rising to match the talent demand. Salary transparency is therefore essential for candidates to negotiate competitively and for employers to attract the best talent. Knowing the exact pay range for roles such as software engineers, data scientists, or product managers helps job seekers evaluate whether a position aligns with their financial goals and lifestyle needs.
Sr Data Scientist
Company: Roku
Location: San Jose, CA
Posted Aug 08, 2025
4+ years of work experience with a bachelor's degree or master's degree in quantitative field (e.g., Statistics, Business Analytics, Data Science, Mathematics,…
Executive Chef
Company: Hyatt Centric Mountain View/Silicon Valley
Location: Mountain View, CA
Posted Aug 08, 2025
Ensure compliance with all policies and procedures that relate to F & B, as well as local, state and federal laws and regulations.
Travel Telemetry RN (Registered Nurse) in Los Angeles, CA - 951201
Company: Medical Solutions
Location: Los Angeles, CA
Posted Aug 08, 2025
Paid, private, pet-friendly housing. A facility in Los Angeles, CA is seeking its next amazing RN (Registered Nurse) to work in Telemetry.
Graphic Designer
Company: Crenshaw Arts Tech Charter High School
Location: Los Angeles, CA
Posted Aug 08, 2025
A portfolio showcasing previous design work that demonstrates creativity and technical skills. Stay updated on industry trends, tools, and best practices to…
Security Flex - Corporate Officer
Company: GardaWorld Security Services U.S.
Location: San Jose, CA
Posted Aug 08, 2025
You have valid CA. driver license and clean driving record. You have a state security license and additional 32hr. Answer questions in person or by phone.
Security Guard - TWIC Seasonal
Company: GardaWorld Security Services U.S.
Location: Wilmington, CA
Posted Aug 08, 2025
You have a state security license (BSIS Guard Card) and additional 32 hrs. security trainings. Control access to secure areas and verify the identities of…
Registered Nurse (RN) Case Manager
Company: Sourcewise
Location: Santa Clara, CA
Posted Aug 08, 2025
Possession of current California Department of Consumer Affairs Board of Registered nursing license in good standing. Nursing and health care teaching.
Packaging Assembler
Company: GTT, LLC
Location: San Diego, CA
Posted Aug 08, 2025
Ability to operate pallet jacks (electrical pallet jack experience preferred). Complete ERP system transactions for processing orders.
Utility Data Analyst
Company: Atlas Field Services
Location: San Jose, CA
Posted Aug 08, 2025
All candidates must possess a valid driver's license and have a good driving record. Generating reports to ensure scheduled data drops available to the field…
Security Guard - Corporate Events
Company: GardaWorld Security Services U.S.
Location: Redwood City, CA
Posted Aug 08, 2025
You have valid CA. driver license and clean driving record. You have a state security license and additional 32hr. Answer questions in person or by phone.
Program Manager - IOP
Company: Horizon Health
Location: El Cajon, CA
Posted Aug 08, 2025
Understanding of state and The Joint Commission requirements for outpatient behavioral health services. Under the guidance of the Clinic Director, this position…
Project Engineer/Assistant Project Manager- Commercial Drywall
Company: Magnum Drywall Inc
Location: San Jose, CA
Posted Aug 08, 2025
Coordinate with general contractors/subcontractors and suppliers to schedule deliveries and installations in alignment with project milestones.