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.

Custodian - Full Time

Company: Ridgeview

Location: San Diego, CA

Posted Aug 20, 2025

Completes all meeting room setups in auditorium, arts and crafts room, lobby, etc. Picks up and removes trash from trash rooms, offices and other locations…

High Voltage Electrician [Bargaining Unit]

Company: SLAC National Accelerator Laboratory

Location: Menlo Park, CA

Posted Aug 20, 2025

Must possess and maintain a valid California non-commercial driver¿s license and a good driving record. Under general supervision, the Electrician Specialist -…

Accounts Receivable Accountant

Company: CapsoVision, lnc.

Location: Saratoga, CA

Posted Aug 20, 2025

 Bachelor’s degree in Accounting, Finance, or related field (or equivalent experience). Applying incoming payments, monitoring receivables aging, following up…

Customer Service Representative

Company: ABC Imaging

Location: San Diego, CA

Posted Aug 20, 2025

Handle incoming inquiries, quotes, and orders via phone, email, and in person. Manage job progress, provide status updates, and resolve issues promptly.

Security Flex Officer - Open Availability REQUIRED

Company: Securitas

Location: Mountain View, CA

Posted Aug 20, 2025

They preserve order while enforcing regulations and directives for a client site pertaining to personnel, visitors, and the area. Paid time away from work.

Sr. Network Architect

Company: Leidos

Location: San Diego, CA

Posted Aug 20, 2025

Bachelor’s degree in computer science, computer engineering, electrical engineering, or a closely related technical field.

Outside Machinist

Company: Trade Team

Location: Chula Vista, CA

Posted Aug 20, 2025

Analyze defects and adjusts or repairs electrical mechanical systems of outboard motors. Disassembles and inspects motor for defective parts, using mechanical…

Carpenter

Company: MSB, Inc.

Location: Los Angeles, CA

Posted Aug 20, 2025

Valid driver’s license with clean driving record. The ideal candidate will have *at least 5 years of DIVERSIFIED professional carpentry experience*, possess…

Experienced Home Improvement Event Marketers Wanted – Base + Commission

Company: ELEMENT PROS, INC

Location: Spring Valley, CA

Posted Aug 20, 2025

Comfortable initiating conversations with the public and working on your feet. $1,000 signing bonus for qualified new hires.

Plumber and/or Sewer Technician

Company: Plotke Plumbing Inc

Location: Los Angeles, CA

Posted Aug 20, 2025

Candidates must have at least 2 years in plumbing and/or Sewer repair and hold basic plumbing knowledge*. Well established family owned plumbing company located…

Semiconductor Market Research Analyst

Company: TECHCET

Location: San Diego, CA

Posted Aug 20, 2025

Techcet CA, LLC. specializes in Electronic Materials Market Research and Strategy, including business and technical trend analysis, for Semiconductor,…

Registered Nurse - Emergency

Company: Sollis Health

Location: Palo Alto, CA

Posted Aug 20, 2025

Make patients comfortable, patiently and professionally answering any questions they have and using patient-centered empathetic communication at all times.

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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