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.
Lead Certifications Analyst
Company: NVIDIA
Location: Santa Clara, CA
Posted Jul 31, 2025
Hands-on experience leading or supporting end-to-end certification processes, including scoping, implementation, audits, and renewals.
Senior CNC Machine Operator
Company: Kalman Manufacuring - CNC Precision Machining
Location: Morgan Hill, CA
Posted Jul 31, 2025
Must be able to make their own off-sets and understand different off set types. Must be able inspect their own work and demonstrate attention to detail when…
Lead Product Marketing Manager, Content Curation
Company: DIRECTV
Location: El Segundo, CA
Posted Jul 31, 2025
Bachelor’s Degree in marketing or related field preferred. DIRECTV is seeking a Lead Product Marketing Manager, Content Curation to design, evolve, and…
Welder 1
Company: The Shyft Group
Location: Carson, CA
Posted Jul 31, 2025
Pass a welding certification test; prior welding experience/certifications preferred. Perform MIG/TIG welding (AWS 3G/4G) on steel, stainless, and aluminum per…
Residential Service Electrician
Company: Keil Electric
Location: San Diego, CA
Posted Jul 31, 2025
Reliable transportation and valid driver's license. Perform residential electrical service calls, repairs, and minor installations.
Program Manager – SOR4 Program
Company: Institute for Public Strategies
Location: San Diego, CA
Posted Jul 31, 2025
Must have a valid California Driver’s License, access to a reliable vehicle for work-related travel, and provide proof of valid auto insurance. *.
HVAC Service Sales
Company: Pop-Up Talent
Location: San Jose, CA
Posted Jul 31, 2025
Valid driver's license and clean driving record. Primarily field based with regular travel to customer locations.
Senior Embedded Linux Firmware Engineer
Company: Grove Safety
Location: San Jose, CA
Posted Jul 31, 2025
4+ years delivering embedded-Linux products in the field (Debian or Yocto). Kernel driver work on audio, camera, or custom sensors.
Substitute Teacher
Company: Swing Education
Location: San Diego, CA
Posted Jul 31, 2025
Daily rates from $230 to $280 depending on school, location, and your certification. We support substitute teachers with meaningful perks, real-time tools, and…
Full Stack Engineer - MERN Stack
Company: One IT Corp
Location: Glendale, CA
Posted Jul 31, 2025
Design, develop, and maintain web applications using modern technologies. Implement RESTful APIs to support front-end functionality and enhance user experience.
Substitute Teacher
Company: Swing Education
Location: Los Angeles, CA
Posted Jul 31, 2025
Daily rates from $160 to $200 depending on school, location, and your certification. We support substitute teachers with meaningful perks, real-time tools, and…
Senior Data Scientist - Remote
Company: Optum
Location: San Diego, CA
Posted Jul 31, 2025
5+ years of experience in machine learning or data science including the following: data analysis, algorithm design, model architecture specification, machine…