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.
Engineer Graduate, AI Safety - San Jose, TikTok - 2026 Start (BS/ MS)
Company: TikTok
Location: San Jose, CA
Posted Jul 28, 2025
Minimum Qualifications: - Bachelor’s degree or above in Computer Science or related technical field - Strong proficiency in at least one programming language:…
Marketing Performance Data Analyst
Company: Hoover Institution, Stanford University
Location: Stanford, CA
Posted Jul 28, 2025
You’ll lead campaign tracking and performance analysis, support data-informed decision-making, and help refine targeting, content strategy, and reporting.
Painter/Laborer
Company: J Brown Painting
Location: National City, CA
Posted Jul 28, 2025
Safely operate ladders, sprayers, and other painting equipment. Prep and paint interior and exterior surfaces with attention to detail.
Sr. Information Designer
Company: Illumio
Location: Sunnyvale, CA
Posted Jul 28, 2025
10+ years of experience in information design and content strategy (for example, in-product app guidance, info graphics), or experience in a writing or editing…
Business Strategy Analyst
Company: USC Athletics
Location: Los Angeles, CA
Posted Jul 28, 2025
The ideal candidate will have a bachelor’s degree (preferably in economics, business, data analytics, computer science, business intelligence, statistics, or…
Assistant Community Manager
Company: ABL Properties, Inc.
Location: San Jose, CA
Posted Jul 28, 2025
O Property Management – Assist Community Managers with renting, retention, and renewals to attain goal of 100% occupancy for assigned property o Service…
Unarmed Security Guard (Weekends Only) - Homeless Shelter Experience
Company: Veterans High Risk Security Solutions
Location: Los Angeles, CA
Posted Jul 28, 2025
Ability to operate surveillance equipment. Report on daily activities and any security incidents. Strong understanding of public safety and security procedures.
Assistant Project Manager/Project Engineer- Commercial Drywall
Company: Magnum Drywall Inc
Location: San Jose, CA
Posted Jul 28, 2025
Coordinate with general contractors/subcontractors and suppliers to schedule deliveries and installations in alignment with project milestones.
Environmental Aide
Company: St. Paul's Senior Services
Location: San Diego, CA
Posted Jul 28, 2025
Able to maneuver tools, equipment, carts through halls, up and down ramps, and in and out of elevators safely. Able to work from written work schedule.
CNC Machinist
Company: BenderCCP
Location: Vernon, CA
Posted Jul 28, 2025
Read and interpret engineering drawings, blueprints, GD&T, and technical instructions. Ongoing technical training and certification support.
Applications Programmer
Company: UCLA Health
Location: Los Angeles, CA
Posted Jul 28, 2025
Bachelor’s degree in computer science, information technology or a related IT field. Manage and track service requests and incident resolutions throughout their…
Assistant Project Manager/ Project Engineer (Commercial Specialties/Division 10)
Company: Magnum Drywall Inc
Location: San Jose, CA
Posted Jul 28, 2025
Conduct field observations to confirm adherence to Division 10 specifications and project standards. (preferred over technical/detail ability).