Tech Jobs in Ontario, CA

Positions 172,845 Updated daily

Ontario, CA sits on the edge of Silicon Valley, offering a high concentration of networking, cloud, and data‑science roles. The city hosts Cisco’s flagship campus, Dell Technologies’ data‑center operations, and a growing fintech cluster, creating a dynamic environment where software engineers, cybersecurity analysts, and AI researchers are in constant demand.

Beyond the giants, Ontario is home to a thriving startup ecosystem focused on healthtech, biotech, and green‑tech. Companies such as Neuralink and DataStax frequently recruit from the local talent pool, while regional firms like QinetiQ and Rally specialize in cybersecurity and analytics solutions, respectively.

Housing costs in Ontario average $3,800/month for a two‑bedroom unit, and the median household income is $110,000. Salary transparency on JobTransparency enables candidates to weigh commute costs, local taxes, and living expenses against compensation, ensuring they make informed decisions about relocating or staying within the valley.

Welder

Company: Hermeus

Location: Los Angeles, CA

Posted Oct 22, 2025

High school diploma or GED; technical welding certification preferred. Interpret engineering drawings and welding symbols to ensure dimensional accuracy and…

Class A Dedicated Regional Truck Driver Home Weekly $2000 Sign on Bonus

Company: Paper Transport

Location: Carson, CA

Posted Oct 22, 2025

1 year of recent tractor-trailer experience required. Referral Bonus Opportunity: $2,000 (Paid in two payments). Min. Pay Weekly Guarantee: $1,500.

Class A Dedicated Regional Truck Driver Home Weekly $2000 Sign on Bonus

Company: Paper Transport

Location: West Rancho Dominguez, CA

Posted Oct 22, 2025

1 year of recent tractor-trailer experience required. Referral Bonus Opportunity: $2,000 (Paid in two payments). Min. Pay Weekly Guarantee: $1,500.

Junior Full Stack Software Engineer

Company: SiegePal LLC

Location: San Diego, CA

Posted Oct 22, 2025

Collaborate with cross-functional teams to *design, develop, and implement innovative features* that align with our cybersecurity mission.

Software Engineer

Company: 58-corp

Location: San Jose, CA

Posted Oct 22, 2025

Hands-on experience with front-end development frameworks like React and Express, along with RESTful API design.

Class A Dedicated Regional Truck Driver Home Weekly $2000 Sign on Bonus

Company: Paper Transport

Location: Lomita, CA

Posted Oct 22, 2025

1 year of recent tractor-trailer experience required. Referral Bonus Opportunity: $2,000 (Paid in two payments). Min. Pay Weekly Guarantee: $1,500.

Staff Engineer, Software Test

Company: Thermo Fisher Scientific

Location: West Hills, CA

Posted Oct 22, 2025

Education: Bachelor’s or equivalent experience in computer science, Engineering, or a related field. Build, develop, and maintain robust, scalable, and reusable…

RN - Outpatient Infusion Center - San Diego - Part Time

Company: Scripps Health

Location: San Diego, CA

Posted Oct 22, 2025

This is a Part Time with Benefits (40 hours per pay period) 10-hour day shift position located in Hillcrest. Our specialties have been nationally recognized for…

Spanish Or Bilingual Janitorial Worker

Company: Aerotek

Location: Fremont, CA

Posted Oct 22, 2025

Proficiency in basic cleaning tasks, including bathroom sanitation, manufacturing floor maintenance, and upkeep of common areas. Short and long-term disability.

Pharmacist II - Varied - La Jolla

Company: Scripps Health

Location: La Jolla, CA

Posted Oct 22, 2025

Board of Pharmacy Specialties (BPS) or other nationally recognized certification required within 2 years' of hire. Documenting the care provided to patients.

Accounting Manager

Company: Vaco by Highspring

Location: Los Angeles, CA

Posted Oct 22, 2025

Supervise invoice processing, payments, and 1099 reporting for compliance with IRS regulations. Conduct detailed account reviews, reconciliations, and analyses…

HVAC/R Service Technician - Light Commercial

Company: CoolSys

Location: San Diego, CA

Posted Oct 22, 2025

Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC,…

Frequently Asked Questions

What types of tech jobs are available in Ontario, CA?
Ontario offers roles across software engineering, cybersecurity, data science, cloud architecture, DevOps, fintech development, and healthtech research. The presence of Cisco, Dell, and several biotech startups fuels demand for these specialties.
Are tech positions in Ontario, CA remote or on‑site?
Most positions at large vendors require on‑site presence due to collaboration with cross‑functional teams, but many startups and fintech firms offer hybrid or fully remote arrangements, especially for back‑end and data‑engineering roles.
Which major employers dominate the tech scene in Ontario, CA?
Key employers include Cisco Systems, Dell Technologies, Oracle, DataStax, QinetiQ, and the local fintech hub Rally. Small healthtech and green‑tech startups also contribute significantly to the job market.
What are salary expectations for tech roles in Ontario, CA?
According to current listings, software engineers earn $110k–$160k, cybersecurity analysts $95k–$140k, data scientists $115k–$165k, and cloud architects $125k–$170k. Salaries rise with experience and certification, and benefit packages often include stock options or equity.
How can I prepare for relocating to Ontario, CA for tech work?
Research housing options in neighborhoods like the Menlo Park corridor and the Barker Road area, factor in average rent and commute times to San Jose. Leverage JobTransparency’s salary data to negotiate offers that cover living costs, and network with local meetups or Slack communities to gain insights into company culture and relocation support.

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