Senior HVAC/R Service Technician - Commercial & Industrial

CoolSys•Denver, CO

16h

About The Position

The Senior HVAC/R Service Technician (Service Tech 5 - Refrigeration) troubleshoots, maintains, and repairs refrigeration systems for commercial and industrial clients. The role handles complex technical issues, guides junior technicians, and supports safe, efficient, and reliable operation of refrigeration equipment. Work includes repairing and overhauling mechanical and electrical equipment, testing systems and components, carrying out preventive maintenance, diagnosing malfunctions, and completing minor construction and remodeling work, including installation startups. The position typically operates in convenience stores, grocery stores, food-service locations, and construction environments. Work may involve heights using ladders or scissor lifts, elevated noise in mechanical rooms, extreme cold around refrigerant, high heat during brazing, and outdoor conditions including inclement weather, heat, humidity, and dust. Employees are expected to use appropriate PPE and safe work practices. The role requires strenuous field work and may involve extended periods of standing, walking, driving, sitting, bending, kneeling, stooping, crouching, crawling, and climbing.

Requirements

High school diploma or GED, equivalent work experience, and trade or technical school classes.
Pass Tech Skills level 5 with a score of 80% or better.
Valid EPA certificate.
At least 5 years of experience in commercial HVAC, refrigeration, and electrical work.
Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical systems.
Knowledge of components of single systems and rack systems, with previous work on display cases and walk-in boxes.
Ability to troubleshoot a Copeland compressor and a blown control-circuit fuse, test an oil-failure control, and test a Copeland Demand Cooling control.
Knowledge of solid-state controls and devices, proper pressure settings, and supermarket receivers and their proper levels.
Understanding of the difference between hot-gas and Kool-gas defrost systems.
Ability to identify and describe the functions of major EMS components and understand RO and AI boards and their addressing requirements.
Ability to use a suction data log.
Knowledge of a case lineup with an electric defrost circuit and a walk-in freezer box.
Ability to demonstrate proper PPE and safety equipment use.
Knowledge of level 2–4 experience/information.
Valid driver’s license and good driving record.
Ability to understand and follow company policies and procedures and applicable state and federal laws.
Ability to use typical business tools, including email, Word, and Excel.
Able to lift up to 60 pounds without assistance and sit and/or stand for several hours at a time.
Able to perform strenuous physical labor in field conditions and meet the role’s physical demands, including walking, standing, driving, bending, kneeling, stooping, crouching, crawling, climbing, and using hands and fingers.
Ability to meet the position’s vision requirements, including close, distance, color, and peripheral vision, depth perception, and adjusting focus.

Nice To Haves

Experience working on refrigeration equipment in convenience stores or supermarkets is a strong plus.

Responsibilities

Report to work on time as scheduled by the supervisor.
Repair and overhaul compressors, water pumps, air handlers, electrical and mechanical control devices, and similar machinery.
Test malfunctioning systems and components using electrical and/or mechanical skills.
Maintain legible corporate and personal records of work history.
Perform general repairs on refrigeration, heating, and ventilation equipment, including air-conditioning units, evaporative condensers, ice machines, water pumps, gas furnaces, compressors, and electric motors.
Perform preventive maintenance and diagnose equipment malfunctions and operating efficiency.
Perform minor construction and remodeling projects, including startups of new installations.
Provide guidance to junior technicians on complex technical issues.
Follow the CoolSys CARES culture: Collaboration, Accountability, Respect, Empowerment, and Safety.
Perform other duties as assigned.