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.

Flexible Schedule: After-School Teacher (K–8) – San Jose

Company: The Education Team

Location: Milpitas, CA

Posted Aug 19, 2025

Flexible After-School Substitute Teachers – San Jose*. Flexible schedule — YOU set your availability. Competitive hourly pay (higher rates for AA/BA degrees).

Customer Service Rep

Company: Manpower

Location: Fremont, CA

Posted Aug 19, 2025

We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable…

Batch Operator

Company: Sika

Location: Newark, CA

Posted Aug 19, 2025

Sika fosters a culture of entrepreneurship, empowering each individual to make decisions, learn from experiences, and shape their own career path.

Client Success Representative - San Diego

Company: ChemoMetec Inc.

Location: La Jolla, CA

Posted Aug 19, 2025

Is comfortable using CRM tools and managing accurate records (Zoho CRM is a plus). Deliver first-class customer service and ensure client satisfaction with…

Apprentice Plumber - Helper

Company: Allstar Plumbing

Location: San Jose, CA

Posted Aug 19, 2025

We also offer flexible schedules, 24/7 year-round recession-proof employment, direct deposit, field support, and advancement opportunities.

DevSecOps Engineer

Company: Peraton

Location: San Diego, CA

Posted Aug 19, 2025

Peraton provides engineering services including architecture, software development, cybersecurity engineering, test & integration planning, integration,…

CNC Machinist 3

Company: Slingshot ConnectionS

Location: Fremont, CA

Posted Aug 19, 2025

Collaborate with engineering and CAM programming teams to develop and improve CNC programs. Ability to troubleshoot and resolve mechanical and technical issues.

Entry Level Sales Assistant

Company: CI Service Consulting

Location: Chula Vista, CA

Posted Aug 19, 2025

The Entry Level Sales Assistant will drive customer engagement of our clients services by being involved with our sales team to introduce and educate consumers…

Pharmacist - Short-Term Cover Staffing

Company: RapidStaff

Location: San Diego, CA

Posted Aug 19, 2025

Collaborate with physicians and other healthcare professionals to develop and implement patient care plans. Join RapidStaff to support critical healthcare needs…

Flexible Schedule: After-School Teacher (K–8) – San Jose

Company: The Education Team

Location: San Jose, CA

Posted Aug 19, 2025

Flexible After-School Substitute Teachers – San Jose*. Flexible schedule — YOU set your availability. Competitive hourly pay (higher rates for AA/BA degrees).

Senior Staff Software Engineer

Company: Speridian Technologies

Location: Mountain View, CA

Posted Aug 19, 2025

Provide technical leadership during system-critical design reviews, offering guidance and deep technical insights to drive sound decision-making.

Security Guard - Unarmed Patrol - Full Time

Company: Allied Universal

Location: Fremont, CA

Posted Aug 19, 2025

A valid driver's license will be required for driving positions only. Guard Card or license is preferred. Assist with access control by monitoring entry and…

Frequently Asked Questions

What types of tech jobs are available in Ontario, CA?
Ontario offers a wide range of roles, from software engineering and full‑stack development in local startups to data science positions at logistics firms like <strong>Amazon Web Services</strong> and product management roles in biotech companies such as <strong>Genentech</strong>. The city also hosts networking engineering jobs, cybersecurity analysts, and UI/UX designers across both established corporations and emerging tech ventures.
Are tech jobs in Ontario, CA remote or on‑site?
The trend leans toward hybrid arrangements. Many companies, including <strong>Adobe</strong> and <strong>Oracle</strong>, allow employees to work remotely two days a week while using Ontario’s co‑working spaces for collaboration. Startups often favor on‑site presence to foster rapid iteration, but most roles provide flexibility for remote work, especially in software development and data‑analytics positions.
Who are the major employers for tech talent in Ontario, CA?
Key employers include <strong>Adobe</strong>, <strong>Oracle</strong>, and <strong>Intel</strong> for software and hardware roles; <strong>T‑Mobile</strong> and <strong>Verizon</strong> for telecom and network engineering; and <strong>Genentech</strong> and <strong>Life Sciences Park</strong> startups for biotech and life‑science data science. The University of California, Irvine also offers research positions that attract software developers and data scientists.
What are the salary expectations for tech roles in Ontario, CA?
Salaries vary by function and experience, but median ranges are: software engineer $110,000–$140,000, data scientist $115,000–$150,000, product manager $120,000–$160,000, and cybersecurity analyst $100,000–$130,000. These figures reflect the city’s growing demand for tech talent and the need to compete with higher‑cost markets like downtown LA.
How can I relocate to Ontario, CA for tech work?
Start by researching local housing options—consider apartment complexes in the <strong>Scottsmoor</strong> and <strong>Lakeside</strong> neighborhoods, which offer convenient access to major highways and public transit. Leverage online forums such as <strong>Reddit’s r/techjobs</strong> for relocation tips and connect with local tech meetups to network before arrival. Also, use Job Transparency’s salary data to negotiate a compensation package that covers rent, transportation, and benefits in Ontario’s cost‑of‑living context.

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