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.
Sales / Estimator/Project Manager
Company: Lawrence Doors, Inc.
Location: Baldwin Park, CA
Posted Oct 03, 2025
In field meetings and networking. High Income Potential - Looking for Motivated Individuals with 3-5 years of experience in commercial door sales, plan reading,…
Welder
Company: Bloom Energy
Location: Fremont, CA
Posted Oct 03, 2025
Fabricate components for use in a solid oxide fuel cell electrical power generator. H.S. diploma or equivalent technical/military training preferred.
Maintenance Electrician
Company: Bakkavor USA
Location: Carson, CA
Posted Oct 03, 2025
Diagnose and repair electrical and mechanical equipment issues. The Maintenance Electrician – Automation is responsible for maintaining, repairing, installing,…
Lead Graphic Designer
Company: NUWATT
Location: Los Angeles, CA
Posted Oct 03, 2025
Experienced in hands on graphic design experience, with proven success designing for Amazon (A+ content and product listing images), Shopify, or other eCommerce…
Research Data Scientist - Anesthesiology Academics
Company: CEDARS-SINAI
Location: Los Angeles, CA
Posted Oct 03, 2025
Leads discussions with senior and/or lead research data scientists and principal investigators to identify areas where data science can best be applied to…
QA Data Analyst & Telemetry Specialist
Company: FocusKPI Inc.
Location: Mountain View, CA
Posted Oct 03, 2025
Strong communication skills; can adapt output to technical and non-technical audiences. Electrical or Computer Engineering Equivalent practical experience is…
Cybersecurity Analyst
Company: CENIC
Location: La Mirada, CA
Posted Oct 03, 2025
Minimum of 4 years of experience in information security, cyber security, or network security engineering the design, deployment, and implementation of security…
Registered Nurse 12HR, Per Diem, Psychiatric - ICU
Company: Huntington Hospital
Location: Pasadena, CA
Posted Oct 03, 2025
Current unrestricted Registered Nurse (RN) license issued by California Board of Registered Nursing (BRN). Reports all violations and all patient complaints to…
Full Stack Developer
Company: Empro
Location: Los Angeles, CA
Posted Oct 03, 2025
This role involves collaborating with cross-functional teams to design, develop, and maintain robust applications that enhance user experience and meet business…
Cybersecurity Risk Analyst
Company: Booz Allen
Location: San Diego, CA
Posted Oct 03, 2025
Ability to integrate and build risk assessment tools and threat mapping tools, including ESS and SIEM tools. Bachelor's degree in a related technology field.
Senior Data Analyst
Company: Edmunds.com
Location: Santa Monica, CA
Posted Oct 03, 2025
Now, as one of the most trusted review sites on the Internet, millions of visitors use our research, shopping and buying tools every month to make an easy and…
Registered Nurse Per Diem - Urgent - Care - Los Feliz - 10-Hour Days
Company: CEDARS-SINAI
Location: Los Angeles, CA
Posted Oct 03, 2025
Valid CA RN license required. Valid Basic Life Support (BLS) certification from American Heart Association or American Red Cross required (Certification…