Commercial Chiller Service Technician

Commercial Chiller Service Technician – EMCOR Services Mesa Energy Job Summary

Journeyman-level chiller technician responsible for maintaining, repairing, and servicing central plant equipment, including chillers, pumps, valves, controls, and auxiliary equipment. Provides on‑call emergency service and manages full‑cycle testing, programming, start‑ups, and commissioning.

• Maintain and repair central plant equipment, including chillers 100 tons and larger, motors, pumps, valves, controls, cooling towers, vane axial fans, and other auxiliary equipment.
• Overhaul of centrifugal chillers (a plus).
• Familiar with all aspects of rigging.
• Support the office with recommended repairs from delivery to completion.
• Availability for emergency service calls “on call” through normal rotation.
• Responsible for end‑to‑end testing, programming, start‑ups, and commissioning.
• Schedule and manage site‑wide maintenance, troubleshooting, and repair duties for chillers, cooling towers, and central plant equipment.
• Perform daily and monthly preventative maintenance on all associated equipment.
• Ensure completion of maintenance within the scheduled month and allocated time.
• Maintain positive relationships with customers, vendors, and co‑workers.
• Provide technical support and troubleshooting, repair, and maintenance of on‑site equipment.
• Attend monthly safety meetings.
• Ensure compliance with safety policies and procedures.
• Work directly with the Chiller Field Supervisor on new and existing customer opportunities or issues.

• 5 years of work experience at the journeyman level and technical schooling.
• Commercial/Industrial air conditioning experience required.
• Knowledge of chiller, HVAC, and central plants.
• HVAC large tonnage field knowledge is required.
• Must be available for emergency service calls “on call” through normal rotation.
• EPA certified.
• Effective oral and written communication skills.
• Valid driver’s license.

Hourly rate: $40 – $90 per hour, determined by CBA/rate sheet and test results.

Benefits provided through local labor union aligned with the collective bargaining agreement.

EMCOR is an equal opportunity employer. Veterans and individuals with disabilities are encouraged to apply.

There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine.

Mid‑Senior level

Full‑time

Mechanical and Electrical Construction / Facilities Services