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.
SHEET METAL TIG WELDER
Company: VINATECH ENGINEERING
Location: San Diego, CA
Posted Aug 05, 2025
Proficiency in interpreting engineering drawings. Experience in sheet metal welding a plus. Follow drawings to meet product specifications.
Maintenance Mechanic/Electrician
Company: SkillsetGroup
Location: Commerce, CA
Posted Aug 05, 2025
The ideal candidate will possess a strong background in electrical maintenance and industrial mechanics, with the ability to troubleshoot and repair various…
Roofer
Company: Bay Area Five Star Roofing
Location: Redwood City, CA
Posted Aug 05, 2025
Utilize hand tools and power tools effectively for roofing tasks. Experience with carpentry, trim carpentry, frame carpentry, metal stud framing, plumbing,…
Customer Service Reps / Sales, Part-Time
Company: Harmony Home Medical
Location: San Diego, CA
Posted Aug 05, 2025
Valid driver’s license and good driving record. Answer phones and respond to email inquiries. Opportunity to grow into full-time or outside sales roles.
Laborer
Company: Penhall Company
Location: San Diego, CA
Posted Aug 05, 2025
The Construction Laborer is responsible for performing general construction, concrete removal, and interior demolition tasks in support of field operations.
Land Development Project Manager
Company: PLSA
Location: Cardiff-by-the-Sea, CA
Posted Aug 05, 2025
Maintain a high level of engineering proficiency, applying engineering best practices to ensure compliance with local, state and federal codes.
Part-Time Sales Associate
Company: Miniso USA
Location: Pasadena, CA
Posted Aug 05, 2025
Anticipate and fulfill customer needs: Utilize product knowledge to assess customer preferences, answer questions, guide them to relevant merchandise, and…
Electrician - Level 4/5
Company: SpaceX
Location: Hawthorne, CA
Posted Aug 05, 2025
Valid CA driver's license. Journeyman or master electrician license. Perform electrical modifications, install electrical wiring and components to design and…
Lead Retail Customer Service Associate
Company: FedEx Office
Location: Cupertino, CA
Posted Aug 05, 2025
Operates the Point of Sale terminal (POS), handles financial transactions and makes change. Quality Driven Management strives to deliver market-leading customer…
Plumber (Full-time)
Company: Bay Towers at Bixby Knolls
Location: Long Beach, CA
Posted Aug 05, 2025
Utilize hand tools and power tools to complete plumbing tasks efficiently. Ability to effectively use hand tools and power tools specific to plumbing tasks.
Sr Information Governance Analyst
Company: Two Point Consulting
Location: Los Angeles, CA
Posted Aug 05, 2025
Premier law firm seeks an Information Governance Sr Analyst. LAW FIRM EXPERIENCE IS PREFERRED. Position involves: * File Intake * Releases * File…
Customer Service Associate
Company: Confidential
Location: San Jose, CA
Posted Aug 05, 2025
Identify opportunities for improvement and contribute new ideas during staff meetings to upper management for discussion and implementation.