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.
Staff Accountant
Company: CV Resources
Location: Poway, CA
Posted Aug 26, 2025
Associate’s or Bachelor’s degree in Accounting or related field preferred. Assist with month-end and year-end close, including flux analysis and reporting.
Portfolio Property Manager, Vice President
Company: Confidential
Location: San Diego, CA
Posted Aug 26, 2025
Manage the cash flow of the clients in terms of security deposits, unit turns, property taxes and other large bills. Review and approve accounting for invoices.
Cloud Team Lead, IT
Company: Qualcomm
Location: San Diego, CA
Posted Aug 26, 2025
Drives and directs others through the solution design process by ensuring that solutions are aligned with business strategies and key business processes,…
Janitor Custodian -LIMPIEZA DE OFICINAS- Part Time-SJ
Company: Cleaning Services
Location: San Jose, CA
Posted Aug 26, 2025
Bring valid identification such as a Driver's License or CA ID, Social Security card, Resident Card, or Work Permit. Flexible schedule in the evenings.
Security Dispatcher
Company: Inter-Con Security Systems
Location: San Diego, CA
Posted Aug 26, 2025
Handle *incoming emergency and non-emergency calls* from officers, the public, and external agencies. Provide accurate and timely information to field units and…
Unarmed Security Officer
Company: Inter-Con Security Systems
Location: San Diego, CA
Posted Aug 26, 2025
Sign in all visitors, contractors, and vendors while maintaining a secure and welcoming environment. Maintain excellent customer service by treating all…
Service Plumber
Company: Andersen Commercial Plumbing
Location: Los Angeles County, CA
Posted Aug 26, 2025
Proficient in the installation and repair of water, irrigation, and gas piping (PVC, copper, black pipe, galvanized, etc.). 401(k) with company match.
Consulting Cyber Architect
Company: Northrop Grumman
Location: Redondo Beach, CA
Posted Aug 26, 2025
The position requires deep knowledge of LAN / WAN networking, software defined networking, virtualization, Linux OS, cloud infrastructures, and will provide top…
Electrician Journeyman
Company: RSC Solutions
Location: San Diego, CA
Posted Aug 26, 2025
The individual must have working knowledge of electrical theory and procedures and the ability to troubleshoot and repair shipboard electrical systems and…
Manager, Inpatient Pharmacy - Operations - Pharmacy
Company: Rady Children's Hospital-San Diego
Location: San Diego, CA
Posted Aug 26, 2025
Knowledgeable of all applicable federal, state, health and other regulatory laws, ethics and standards related to hospital pharmacy operations.
Regional Marketing Manager
Company: Ryan Companies US, Inc.
Location: San Diego, CA
Posted Aug 26, 2025
Manage, design, develop and write RFQ/RFP responses and offering memorandums; collaborate with sector/service marketing leads on their pursuits.
Travel Special Education Teacher Mild/Mod
Company: Aya Education
Location: Imperial Beach, CA
Posted Aug 26, 2025
Aya provides paid sick leave in accordance with all applicable state, federal, and local laws. Options post contract - extend, convert to a permanent employee…