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.
Park Project Manager-Design and Construction
Company: County of San Diego
Location: San Diego, CA
Posted Aug 08, 2025
A bachelor's degree from an accredited U.S. college or university, or a certified foreign studies equivalency in architecture, landscape architecture,…
Verizon Customer Service Representative
Company: Confidential
Location: San Jose, CA
Posted Aug 08, 2025
Assist customers with setting up new accounts, navigating service options, and participating in live product demonstrations.
Retail Sales Associate
Company: Korn Ferry RPO for Tempur Sealy
Location: West Hollywood, CA
Posted Aug 08, 2025
During the first year of employment, your paid time off will be pro-rated based on date of hire unless otherwise dictated by state or local law.
Project Manager - Flooring
Company: A and I Floorcovering
Location: Los Angeles, CA
Posted Aug 08, 2025
Bachelor’s degree in related field, which may include Computer Science, Business, or Engineering, highly desirable. Strong supervisory and leadership skills.
Graphic Artist - 100% Virtual
Company: Clarity Consultants
Location: Campbell, CA
Posted Aug 08, 2025
We are seeking a talented Graphic Artist to join an ongoing project supporting a large oil and gas client overhauling its equipment training for new field…
Sr. Engineering Tech (HVAC/AC&R)
Company: United Support Services
Location: San Diego, CA
Posted Aug 08, 2025
Replace defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electrician’s hand tools and test…
Registered Nurse
Company: LaserAway
Location: La Mesa, CA
Posted Aug 08, 2025
Active RN, NP, or PA license in the state of employment (required). We also offer Paid Time Off (PTO) in compliance with state and federal requirements,…
Security Officer --Hillcrest
Company: CitiGuard Security Inc.
Location: San Diego, CA
Posted Aug 08, 2025
A valid Drivers License with clean driving record. Request emergency personnel in high risk situations. Two or more years of security experience are required.
Preschool Toddler-Teacher
Company: Kinder Mission
Location: San Diego, CA
Posted Aug 08, 2025
Ensure the daily care of every child by adhering to all licensing guidelines and company standards. CPR/First Aid certified and a negative TB Test.
Electrician - II
Company: Root Staffing
Location: Spring Valley, CA
Posted Aug 08, 2025
Execute plans of electrical wiring for well-functioning lighting, intercom and other electrical systems. Connects wiring in electrical circuits and networks…
Service Technician/Plumber
Company: Almco Plumbing
Location: San Diego, CA
Posted Aug 08, 2025
To run calls, install and repair water supply lines and drainage systems. Previous experience in plumbing, maintenance, or other related field.
Preschool Teacher 4s and 5s
Company: Los Altos Mountain View Children's Corner Preschool
Location: Los Altos, CA
Posted Aug 08, 2025
The ideal candidate will create a nurturing and stimulating environment for young children, fostering their social, emotional, and cognitive development.