Tech Jobs in Ontario, CA
172,845 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.
Senior Graphic Designer - Hot Wheels
Company: Mattel
Location: El Segundo, CA
Posted Jul 25, 2025
The ideal candidate has a solid understanding of graphic illustration design, character design and possess excellent sketch skills with proven visual design…
Payroll Accountant
Company: San Jose Water Company
Location: San Jose, CA
Posted Jul 25, 2025
A Bachelor’s degree from an accredited college or university with major course work in accounting or another related field or equivalent experience.
Marketing and Sales Representative
Company: AMICARE SERVICES INC
Location: Palo Alto, CA
Posted Jul 25, 2025
Willingness to learn and be trained, if you have the heart and drive to grow in this field. We also work with communities that we take pride in serving, and you…
Sr. Welder and Fabrication Technician
Company: Galaxy Tek Hires
Location: Long Beach, CA
Posted Jul 25, 2025
Demonstrate a high level of expertise in aluminum welding and the ability to pass 3G/2G weld certification testing as provided by Vast.
Senior Project Manager
Company: Garney Construction
Location: San Diego, CA
Posted Jul 25, 2025
Bachelor’s Degree in Civil Engineering, Construction Management, or a related field. Manage and develop a team of Project Managers.
Clinical Nurse II - FT - Day - Radiation Oncology @ MV
Company: El Camino Hospital
Location: Mountain View, CA
Posted Jul 25, 2025
Applies nursing process and theories, as well as principles of psycho-social and physical sciences, in assessing, planning, diagnosing, implementing, evaluating…
Local Route Flatbed Truck Driver
Company: Payeload
Location: San Diego, CA
Posted Jul 25, 2025
Must *own or lease* an XL Vehicle - *24ft flatbed or box truck* - for full-time work. Drivers with a *pickup truck, SUV, or van* may qualify for *smaller,…
Welder II
Company: Epsilon Systems Solutions Inc
Location: San Diego, CA
Posted Jul 25, 2025
Knowledge of design techniques, tools, and principals involved in production of precision technical plans, blueprints, drawings, and models.
Lead Day Porter
Company: Flagship Facility Services, Inc.
Location: Sunnyvale, CA
Posted Jul 25, 2025
Inspect work areas to ensure cleanliness, safety, and compliance with standards. Strong attention to detail with a commitment to maintaining high standards of…
HVAC Technician
Company: COIT Cleaning & Restoration Services
Location: Union City, CA
Posted Jul 25, 2025
RequirementsSelf-motivated individual with good driving record. This includes being polite, courteous and respectful. No Experience needed - Paid Training!
Customer Service/ Relations Lead
Company: CalColor Academy
Location: Cupertino, CA
Posted Jul 25, 2025
Maintain an organized and welcoming front desk environment at the Cupertino studio. Manage communications, including phone calls, emails, and in-person…
Parks Project Coordinator
Company: City of Mountain View (CA)
Location: Mountain View, CA
Posted Jul 25, 2025
Minimum QualificationsEducation equivalent to an associate’s degree from an accredited college or university with major course work in urban or regional…