Union jobs in Orange County, CA

66 open union and commercial trade roles across Orange County, CA, plus the 2 union local halls based in this market.

Union locals based in Orange County, CA

• IBEW Local 441 jobs in Orange County — Electricians, hall in Orange, CA; journeyman $60.22/hr effective 1/21/25.
• UA Local 582 jobs in Orange County — Plumbers & Pipefitters, hall in Santa Ana, CA; journeyman $58.28/hr effective 9/12/25.

Search every open job in Orange County, CA — union and non-union openings, pay context and a jobs map.

Open roles in Orange County, CA

• Building Automation Sales Engineer — Orange County, CA
• Alc Service Technician — Orange County, CA
• BAS / DDC Controls Technician — Orange County, CA
• Industrial Centrifugal Chiller Technician — Orange County, CA
• Commercial Mechanical Service Technician — Orange County, CA
• Commercial Mechanical Construction Project Manager - Orange County — Orange County, CA
• Mechanical Project Engineer - Orange County — Orange County, CA
• Process Piping Project Engineer — Orange County, CA
• Plumbing Project Engineer — Orange County, CA
• HVAC Project Engineer — Orange County, CA
• Plumbing/hvac Assistant Project Manager — Orange County, CA
• HVAC Tenant Improvement Project Manager - Orange County — Orange County, CA