Tech Jobs in Ontario, CA

172,845 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.

Part-Time Staff Accountant

Company: Portfolio

Location: La Mesa, CA

Posted Jul 29, 2025

Create invoices (via import and manual) for all incoming contracts received. Ability to grasp objects such as a telephone or computer mouse, finger dexterity to…

Business Systems Analyst - Telephony

Company: Stanford Health Care

Location: Newark, CA

Posted Jul 29, 2025

Bachelor's Degree Bachelor’s degree in related field:  COMPUTER SCIENCE, INFORMATION SYSTEMS OR A DIRECTLY RELATED FIELD OF ENGINEERING Required.

Unarmed School Security - Granada Hills

Company: AEGIS Security & Investigations, Inc.

Location: Granada Hills, CA

Posted Jul 29, 2025

Investigating disturbances and answering alarms. Patrolling the work site on foot up to the full duration of the shift or as otherwise instructed to prevent and…

Commercial Plumber

Company: S.T. Plumbing Corp.

Location: South Gate, CA

Posted Jul 29, 2025

Install and repair piping system (PVS, copper, cast iron, etc.) in commercial buildings. Maintain clean job sites and follow safety protocols.

School Custodian

Company: Roman Catholic Bishop of San Diego

Location: Chula Vista, CA

Posted Jul 29, 2025

Notify appropriate personnel of structural items or contents needing maintenance or repairs by outside contractors. Pay Rate: $21/hr.

Customer Engagement Associate

Company: Square One Enterprise Inc

Location: San Diego, CA

Posted Jul 29, 2025

Deliver outstanding customer service while driving sales and building long-term customer relationships. Track sales goals, customer feedback, and product…

Water Heater Installer

Company: CastleWorks Home Services

Location: San Diego, CA

Posted Jul 29, 2025

Valid driver's license and clean driving record. Experience in water heater installation and repair. Maintaining truck stock inventory to ensure readiness for…

Software Engineer (Multiple Openings)

Company: Sigma Group

Location: San Jose, CA

Posted Jul 29, 2025

Minimum Qualifications: Education: Bachelor – Computer Science or a related technical field of study; will accept equivalent foreign degree;

Vulnerability Analyst

Company: xAI

Location: Palo Alto, CA

Posted Jul 29, 2025

Performing data analysis to assess security risks across the organization. This role will focus on vulnerability analysis and risk assessment, ensuring the…

Software Engineer Graduate (Global CRM) - 2026 Start (BS/MS)

Company: TikTok

Location: San Jose, CA

Posted Jul 29, 2025

We enhance commercial efficiency and customer satisfaction through various intelligent marketing tools, ensure the stability and security of customer fund…

Free People Wholesale Sales Assistant - LA

Company: Free People

Location: Los Angeles, CA

Posted Jul 29, 2025

Entering orders and checking POs for order entry accuracy. Support AE in weekly review of reorder opportunities based on selling report analysis and feedback…

Senior Principal Engineer- End-to-End AI Training Framework

Company: Bosch Group

Location: Sunnyvale, CA

Posted Jul 29, 2025

As the Senior Principal Engineer, E2E AI Training Framework for Autonomous Driving Systems, you will spearhead the development and optimization of the machinery…

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.

Related Pages