Tech Jobs in Ontario, CA
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.
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…
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…
Event Security Guard - LAS VEGAS F1
Company: IPS Security
Location: San Jose, CA
Posted Oct 22, 2025
Multiple Paid Breaks and Meals Provided. PAYRATE: $20/HR + OVERTIME - WEEKLY PAY. MUST HAVE VALID PILB NEVADA GUARD CARD. Must have excellent customer service.
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…
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…
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.