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.
Entry Level Sales Associate
Company: Confidential
Location: San Diego, CA
Posted Oct 20, 2025
Must have your own vehicle. Due to our recent client demand, we have immediate openings for our entry-level *customer service*, event *sales positions*!
HVAC/Refrigeration Technician
Company: C&L Refrigeration
Location: Los Angeles, CA
Posted Oct 20, 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,…
HVAC/Refrigeration Technician
Company: C&L Refrigeration
Location: San Diego, CA
Posted Oct 20, 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,…
HVAC Chiller Service Technician
Company: McCloskey Mechanical Contractors, Inc.
Location: Los Angeles, CA
Posted Oct 20, 2025
HVAC license preferred but not required. We are seeking an experienced candidate who can diagnose, repair, troubleshoot and install various mechanical equipment…
Graphic Designer
Company: CLSICS
Location: San Diego, CA
Posted Oct 20, 2025
Proven experience in graphic design, particularly in packaging design and sign manufacturing. The ideal candidate will have a strong background in graphic…
Preschool Teacher for 2 Year Old Classroon
Company: Aspen Leaf Preschool
Location: San Diego, CA
Posted Oct 20, 2025
Must have current first aid and CPR certification. The units specified must cover child growth and development; child, family, and community; program/curriculum…
Graphic Designer
Company: Sinclair Broadcast Group
Location: Santa Monica, CA
Posted Oct 20, 2025
Collaborate with the Associate Creative Director to design assets across multiple platforms, including social, video, podcasts, and editorial.
HVAC Installation Supervisor
Company: Confidential
Location: San Jose, CA
Posted Oct 20, 2025
Supports good customer relations by ensuring that installations are performed according to desired specifications at minimal cost, completed on schedule and…
Principal Platform Engineer – Data Ops Engineer
Company: DIRECTV
Location: El Segundo, CA
Posted Oct 20, 2025
In this role, you will work closely with data engineering, DevOps, security, and business teams to design and implement next-generation orchestration,…
Ammonia Refrigeration Technician
Company: C&L Refrigeration
Location: Los Angeles, CA
Posted Oct 20, 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,…
HVAC Mechanic
Company: Matrix HVAC
Location: San Diego, CA
Posted Oct 20, 2025
Valid driver's license with a clean driving record. Strong technical and problem-solving skills for HVAC system diagnosis and repair.