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.

Labor & Delivery RN-$500 Sign on Bonus

Company: Per Diem Staffing Systems, Inc.

Location: Pleasanton, CA

Posted Oct 13, 2025

Stanford Hospital is seeking a L&D Registered Nurse for a 13-week assignment. Labor & Delivery RN-$500 Sign on Bonus. $500 sign on bonus offered.

Registered Pharmacist ($75/Hr) (Onsite) (3 to 4 days)

Company: Ethire LLC

Location: San Diego, CA

Posted Oct 13, 2025

Determines if prescription requires physician clarification or if it should be forwarded to therapeutic intervention or doctor phone calls for follow-up.

Construction Delivery Driver/Yard Worker

Company: Prestige Concrete

Location: Poway, CA

Posted Oct 13, 2025

Valid Class C commercial driver's license with a clean driving record. We also perform complete site packages including demolition, grading, drainage,…

Work from Home Prior Authorization Pharmacist- Must reside in California

Company: Adecco

Location: Los Angeles, CA

Posted Oct 13, 2025

Current and unrestricted Pharmacist license in California. Strong knowledge of disease state management guidelines and the 5 Core Elements of MTM Services (1)…

Work from Home Prior Authorization Pharmacist- Must reside in California

Company: Adecco

Location: Chula Vista, CA

Posted Oct 13, 2025

Current and unrestricted Pharmacist license in California. Strong knowledge of disease state management guidelines and the 5 Core Elements of MTM Services (1)…

TIG Welder (Merlin)

Company: SpaceX

Location: Hawthorne, CA

Posted Oct 13, 2025

1+ years of experience with TIG welding OR certification from an accredited trade skills program. Use various mechanical tools without instruction.

Lead Heating, Ventilation, and Air Conditioning Installer

Company: Flite Mechanical Inc.

Location: Spring Valley, CA

Posted Oct 13, 2025

Valid driver's license is required clean driving record for insurability for use of company provided vehicle. This role requires a hands-on approach, excellent…

Work from Home Prior Authorization Pharmacist- Must reside in California

Company: Adecco

Location: San Diego, CA

Posted Oct 13, 2025

Current and unrestricted Pharmacist license in California. Strong knowledge of disease state management guidelines and the 5 Core Elements of MTM Services (1)…

Local Plumbing Repair Tech - Service Plumber

Company: Happy Plumbing Inc.

Location: Santee, CA

Posted Oct 13, 2025

Happy Plumbing Inc. is currently hiring for a full-time Local Plumbing Repair Tech - Service Plumber to diagnose issues, present service options to customers,…

Retail Supply Project Coordinator

Company: Chestnut Company

Location: Cupertino, CA

Posted Oct 13, 2025

Strong data analysis skills with the ability to transition analysis into actionable projects. Able to develop peer relationships quickly.

REGISTERED NURSE CVOR (EXPERIENCE REQUIRED)

Company: The Valley Health System

Location: San Diego, CA

Posted Oct 13, 2025

License/Certification Current RN license in the State of Nevada. An interim RN license must be granted by the Nevada State Board of Nursing.

Data Analyst - Strategic Data Solutions

Company: Apple

Location: Sunnyvale, CA

Posted Oct 13, 2025

Bachelors or Masters degree in a quantitative / technical field (math, statistics, engineering, information management, computer science, or similar).

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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