Senior Chiller Technician On-Call HVAC & Central Plant

Mesa Energy Systems, Inc.; El Cajon (CA); On-site; USD 55,000 - 124,000; Full time

Benefits offered by this job

Union benefits

Job summary

Mesa Energy Systems, Inc. is seeking an experienced HVAC technician for on-site service in El Cajon, CA. You will maintain and repair central plant equipment including large chillers, pumps, and controls, with on-call rotation for emergency service.

Ideal candidates have journeyman-level HVAC experience, EPA certification, and a valid driver’s license. The role emphasizes safety, testing, commissioning, and customer collaboration under a union-supported benefits program.

Qualifications

• 5 years of journeyman level HVAC experience and technical schooling.
• Commercial/Industrial air conditioning experience required.
• EPA certified and valid driver’s license.

Responsibilities

• Maintain and repair central plant equipment including large chillers.
• Overhaul centrifugal chillers a plus.
• Support office with recommended repairs from delivery to completion.
• Availability for emergency service calls on-call through rotation.
• End-to-end testing, programming, start-ups, and commissioning.
• Schedule and manage site-wide maintenance and repairs for chillers and towers.

Skills

HVAC knowledge

On-site maintenance

Emergency on-call

Customer communication

Education

Journeyman HVAC training

EPA certification

Technical schooling in HVAC

Job description

Mesa Energy Systems, Inc. is seeking an experienced HVAC technician for on-site service in El Cajon, CA. You will maintain and repair central plant equipment including large chillers, pumps, and controls, with on-call rotation for emergency service.

Ideal candidates have journeyman-level HVAC experience, EPA certification, and a valid driver’s license. The role emphasizes safety, testing, commissioning, and customer collaboration under a union-supported benefits program.