Tech Jobs in Ontario, CA
172,772 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.
Plumbing Designer/ Engineer
Company: Liberty Personnel Services, Inc, LP83408
Location: Union City, CA
Posted Aug 20, 2025
Experience in Plumbing design preferably with large institutional or commercial projects from schematic design through construction administration. .
Protective Security Officer (San Diego) at $51.05
Company: Security Watch
Location: San Diego, CA
Posted Aug 20, 2025
Must possess and maintain a valid driver's license and firearm license/permit. A minimum of two years of security (armed) or one year of law enforcement…
Customer Support Representative
Company: Manpower
Location: Torrance, CA
Posted Aug 20, 2025
Manage clerical tasks including mail distribution, filing, faxing, duplicating, and form processing. Audit documents and ensure accuracy in reporting and data…
Luxury Retail Sales Specialist - Flagship Store Location: Scandia Home, Beverly Hills
Company: Scandia Home
Location: Beverly Hills, CA
Posted Aug 20, 2025
Assist customers with design selections and merchandising solutions. Strong talent for merchandising, design, and creating beautiful product presentations.
Software Engineer I (Full Time) United States
Company: Cisco Systems
Location: San Jose, CA
Posted Aug 20, 2025
You will play a crucial role in driving next-generation software innovations, including in the cloud, mobile, desktop, or security spaces.
Junior Graphic Designer (Apparel-Torrance, CA)
Company: Civil Clothing
Location: Torrance, CA
Posted Aug 20, 2025
Bachelor’s degree in fashion merchandising, design, or related field preferred or equivalent related work experience.
Event Staff/Security - Super Sunday a Levi's Stadium on February 9th
Company: Contemporary Services Corporation
Location: San Jose, CA
Posted Aug 20, 2025
Must be willing to obtain a valid California Guard Card (CSC will provide assistance with licensing requirements). Santa Clara, CA 95050 (Required).
Sr. Information Security Analyst with strong Incident Response experience - hybrid onsite 3 days a week
Company: Calance US
Location: Torrance, CA
Posted Aug 20, 2025
Experience with Incident Response, Firewall management, Email security, Security Awareness Program support / administration, Endpoint security tools,…
Junior Graphic Designer
Company: 26 California Wholesale
Location: Vernon, CA
Posted Aug 20, 2025
Requirements*2-3 years' experience in graphic design/Web development experience within the direct-to-consumer goods or product manufacturing industries.2-3…
Retail Sales (Stylist)
Company: Rowan California
Location: Rancho Santa Fe, CA
Posted Aug 20, 2025
Everything is designed to be effortless and easy to layer, and considered the blank canvas for you to create your own story. Job Types: Full-time, Part-time.
Chief Marketing Officer (CMO)
Company: Valley Boutique Builders
Location: Los Altos, CA
Posted Aug 20, 2025
Ensure consistent voice, design, and messaging across all marketing materials. Familiarity or experience with *AI tools* in a marketing or content capacity.
Driver + Mover (Box Truck)
Company: Parmar Homes
Location: Los Angeles, CA
Posted Aug 20, 2025
Valid California Class C driver’s license with a clean driving record (no CDL required). This position combines professional box truck driving with hands-on…