Tech Jobs in Ontario, CA
172,772 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.
National Vice President Retail Sales
Company: Sysco
Location: Los Angeles, CA
Posted Aug 21, 2025
Lead and develop a diverse team of field and Market leaders that will be distributed throughout Market. Collaborate with Executive Leadership, Market level…
Custodian
Company: Judicial Council of California
Location: Los Angeles, CA
Posted Aug 21, 2025
May require possession of a valid California driver’s license. Safe operation of a variety of cleaning equipment and tools. Comply with health and safety codes.
Sr. IT Security Analyst
Company: Omnivision Technologies
Location: Santa Clara, CA
Posted Aug 21, 2025
Experience working with information security teams and functions, such as security engineering, security operations centers, vulnerability assessment,…
Travel RN Infection Control Practitioner
Company: Cambay Healthcare LLC
Location: San Diego, CA
Posted Aug 21, 2025
Active California RN License and BLS certification. BLS and Infection Control certifications required. Investigate outbreaks and recommend preventive measures.
Part-time Preschool Teacher
Company: Aspen Leaf Preschool
Location: San Diego, CA
Posted Aug 21, 2025
Must have current first aid and CPR certification. Education: Must have at least 12 post-secondary semester units in early childhood education from an…
Software Engineer in Test, Siri AI Quality Engineering
Company: Apple
Location: Cupertino, CA
Posted Aug 21, 2025
Experience developing test plans, test cases, assessing risk, and filing appropriate defects. You will be responsible for creating and maintaining automated…
Teacher - SDC ESN 4th - 6th - Zanker Elementary School - 010556
Company: Milpitas Unified School District
Location: Milpitas, CA
Posted Aug 21, 2025
A valid California driver=s license. Evaluate each student=s social and academic needs and develop and Individual Educational Program (IEP).
Call Center Representative - Onsite Work Only - NO REMOTE WORK
Company: Magellan Solutions USA
Location: Palo Alto, CA
Posted Aug 21, 2025
Answers incoming calls and communicates with clients with respect, courtesy, empathy, tact, and professionalism. Friday and Saturday: 11:00 pm - 7:00 am.
Accountant (On-Site)
Company: Wilshire Law Firm
Location: Los Angeles, CA
Posted Aug 21, 2025
Collaborate with the outside CPA firm on tax filings and state deadline requirements. You will handle accounting functions ranging from reconciliations and…
Staff Accountant
Company: AppleOne
Location: Los Angeles, CA
Posted Aug 21, 2025
For temporary assignments lasting 13 weeks or longer, the Company is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where…
Certified Registered Nurse Anesthetist
Company: Digestive Health Associates of So Cal.
Location: Santa Monica, CA
Posted Aug 21, 2025
Current certification as a Registered Nurse Anesthetist (CRNA). This role requires a strong foundation in patient assessment, critical care, and anesthesia…
HOUSEKEEPING AIDE
Company: Almaden Health and Rehabilitation Center
Location: San Jose, CA
Posted Aug 21, 2025
Knocks before entering resident rooms and bathrooms. Provides housekeeping services to provide a safe, sanitary and comfortable environment for residents, staff…