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.
Security Professional - Shopping Center
Company: GardaWorld Security Services U.S.
Location: San Diego, CA
Posted Oct 17, 2025
Must have a valid driver's license with a clean driving record. You have a state security license (BSIS Guard Card) and additional 32hr.
Experienced Commercial Refrigeration Technician
Company: Contractor Rhino
Location: Hayward, CA
Posted Oct 17, 2025
Proven experience as a service technician in the refrigeration field. Utilize tools such as an ohm meter to diagnose electrical issues within refrigeration…
HVAC/Refrigeration Technician
Company: C&L Refrigeration
Location: Anaheim, CA
Posted Oct 17, 2025
Is independent in the role, working closely with the Dispatcher daily on your schedule, and completing service calls to different job sites and customers,…
Assistant Project Manager/Project Engineer- Commercial Drywall
Company: Magnum Drywall Inc
Location: San Jose, CA
Posted Oct 17, 2025
Coordinate with general contractors/subcontractors and suppliers to schedule deliveries and installations in alignment with project milestones.
Carpenter
Company: FTG Builders, Inc.
Location: Santa Clara, CA
Posted Oct 17, 2025
FTG Builders is a non-union general contractor specializing in healthcare construction in the SF bay area and east bay. Santa Clara, CA 95050 (Required).
AI Senior Software Engineer
Company: General Motors
Location: Mountain View, CA
Posted Oct 17, 2025
D esign, develop and test cutting-edge AI infrastructure , optimiz ing machine learning and AI-driven applications across GM’s global platforms.
Lead Plumber
Company: UC San Diego Health
Location: San Diego, CA
Posted Oct 17, 2025
Must hold valid driver's license, have a driving record that is in accordance with local policies/ procedures, and/or enroll in the California Employer Pull…
Information Security Analyst
Company: Missionbox Solutions
Location: San Diego, CA
Posted Oct 17, 2025
Bachelor’s degree or higher in computer science, information systems, or a related field. Cybersecurity Workforce Framework (CWF) certification required: IAT…
RN Coordinator
Company: Amergis Healthcare Staffing
Location: Palo Alto, CA
Posted Oct 17, 2025
Current Registered Nurse License for the state in which thenurse practices. These variety of sites include but are notlimited to community or employment…
Plumber
Company: UC San Diego Health
Location: San Diego, CA
Posted Oct 17, 2025
Must hold valid driver's license, have a driving record that is in accordance with local policies/ procedures, and/or enroll in the California Employer Pull…
Auxiliary Officers
Company: Marksman Security LLC
Location: El Segundo, CA
Posted Oct 17, 2025
Opening doors and greeting employees, visitors and contractors in a. ■ Able to interact with employees, visitors and contractors, providing.
Graphic Designer
Company: GW Security Inc
Location: South El Monte, CA
Posted Oct 17, 2025
Bachelor’s degree in marketing, advertising, communication, design or related field. Create product listings and graphics for e-commerce platforms.