Tech Jobs in Ontario, CA

172,772 open positions · Updated daily

Find 1509+ tech job opportunities in Ontario, CA from companies committed to salary transparency. Browse positions across software engineering, DevOps, data science, and more in the Ontario, CA area.

Combo Welder (Tig, Mig, Fluxcore)

Company: Key Skilled Personnel

Location: Santa Fe Springs, CA

Posted Oct 22, 2025

Effective communication skills for working with managers, field personnel, customers, and team members. Perform TIG, MIG, and Fluxcore welding on stainless and…

Senior Data Scientist - Remote

Company: Optum

Location: San Diego, CA

Posted Oct 22, 2025

The Sr Data Scientist is a key technical contributor in the design and development of state-of-the-art NLP for medical applications. Azure ML and/or AWS.

Applied Data Scientist

Company: Jerry.ai

Location: Los Angeles, CA

Posted Oct 22, 2025

Education: Bachelor’s degree (PhD preferred) in a quantitative field (Statistics, Physics, Mathematics, etc.).

Clinical Pharmacist

Company: Barlow Respiratory Hospital

Location: Los Angeles, CA

Posted Oct 22, 2025

Current California Pharmacist license in good standing. The CPS will contribute to the design, evaluation and implementation of the patients pharmaceutical plan…

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.

Marine Electrician - 25885

Company: HII

Location: San Diego, CA

Posted Oct 22, 2025

Must be able to provide own hand tools as designated per trades specialty. Experience in the operation, repair and maintenance of marine hydraulic electrical…

TIG Welder (Starship Components)

Company: SpaceX

Location: Hawthorne, CA

Posted Oct 22, 2025

Use various mechanical tools without instruction. AWS D17.1 and D1.2 certification. Read and interpret technical drawings, and follow detailed work instructions…

Clinical Pharmacist

Company: Anderson Pharmacy

Location: Pasadena, CA

Posted Oct 22, 2025

Active pharmacist license in the State of California. Advanced training or certification in HIV or specialty pharmacy.

Lead Installer

Company: JEi Corporate Services

Location: San Jose, CA

Posted Oct 22, 2025

Acts as mentor and developer of lower-level install staff and Provides training for non-JEi installers (temps/contractors) in the correct methods for installing…

AI Developer

Company: Express Marketing Inc

Location: Torrance, CA

Posted Oct 22, 2025

Solid understanding of API design, cloud services, and database management. Design, implement, and optimize RAG pipelines, LangChain workflows, and LLM…

Clinic Director - Outpatient Physical Therapy - Profit Sharing & Sign on Bonus

Company: All Star Physical Therapy

Location: San Diego, CA

Posted Oct 22, 2025

CPR and first aid certification required. Terminal Licensed degree from accredited institution; Doctor of Physical Therapy.

Information Security Analyst

Company: California State University (CSU) Chancellor's Office

Location: Long Beach, CA

Posted Oct 22, 2025

Qualifications This position requires: -A bachelor's degree in Computer Science or a related field (or an equivalent combination of education and specific…

Frequently Asked Questions

What types of tech jobs are available in Ontario, CA?
We list a wide range of tech positions in Ontario, CA including software engineering, DevOps, data science, product management, and more. Filter by category to find roles matching your expertise.
Are there remote jobs available from Ontario, CA-based companies?
Yes, many companies based in Ontario, CA offer remote or hybrid work arrangements. Use our remote filter to find flexible positions from Ontario, CA employers.
How is the tech job market in Ontario, CA?
The tech job market in Ontario, CA continues to grow. Browse our current listings to see the latest opportunities and salary ranges offered by companies in the area.

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