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CoolSys

Refrigeration and HVAC design, installation, maintenance

Senior Refrigeration Service Technician - Commercial & Industrial

HVAC & Building SystemsConfirmed live in the last 24 hours
Full-timePhoenix, AZ, USAIn-person

About the Job

Requirements

  • A high school diploma or GED, equivalent work experience, and trade or technical school classes are required.
  • Must have passed Tech Skills level 5 with a score of 80% or better.
  • A valid EPA certificate is required.
  • At least 5 years of commercial HVAC, refrigeration, and electrical experience are required.
  • Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical systems is required.
  • Knowledge of components of single systems and rack systems, along with prior work on display cases and walk-in boxes, is required.
  • Ability to troubleshoot a Copeland compressor, a blown control circuit fuse, an oil failure control, and a Copeland Demand Cooling control is required.
  • Knowledge of solid-state controls and devices, proper pressure settings, and supermarket receivers and their proper level is required.
  • Understanding of the difference between hot gas and Kool gas defrost systems is required.
  • Ability to identify and describe the functions of major EMS components and understand RO and AI boards and their addressing requirements is required.
  • Ability to use a suction data log is required.
  • Knowledge of a case lineup with an electric defrost circuit and a walk-in freezer box is required.
  • Ability to demonstrate proper personal protective equipment and safety equipment is required.
  • Knowledge of level 2–4 experience/information is required.
  • Must be able to lift up to 60 pounds without assistance and sit and/or stand for several hours at a time.
  • A valid driver’s license and a good driving record are required.
  • Ability to understand and follow company policies and procedures and applicable state and federal laws is required.
  • Ability to use typical business tools, including email, Word, and Excel, is required.
  • Must be able to perform strenuous physical labor in field conditions, including walking and standing for long periods, driving, bending, kneeling, stooping, crouching, crawling, climbing, and lifting or moving up to 25 pounds regularly and up to 50 pounds occasionally.
  • Must be able to work at heights using ladders and/or scissor lifts and work around refrigeration and HVAC equipment, extreme cold, high heat from brazing, inclement weather, heat, humidity, and dust, using appropriate personal protective equipment and safe work practices.
  • Specific vision abilities required include close, distance, color, and peripheral vision, depth perception, and ability to adjust focus.

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 repair work on refrigeration, heating, and ventilation equipment, including air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors, and electric motors.
  • Perform preventative maintenance activities and diagnose equipment malfunctions and the operating efficiency of mechanical equipment.
  • Perform work on minor construction and remodeling projects, including startups of new installations.
  • Troubleshoot, maintain, and repair refrigeration systems, handle complex technical issues, and ensure the safe, efficient, and reliable operation of refrigeration equipment for commercial or industrial clients.
  • Provide guidance to junior technicians.
  • Perform other duties as assigned.

Desired Qualifications

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

About the Company

CoolSys

Refrigeration and HVAC design, installation, maintenance

CoolSys provides refrigeration and HVAC services to retail, commercial, and industrial clients. It designs, installs, and remodels systems, converts refrigerants, performs preventative maintenance, repairs, and optimizes energy use and overall system performance. Their products are not a physical device but a service offering: engineers create system designs, technicians install and service equipment, and ongoing monitoring and maintenance help keep temperatures stable and energy use efficient. What sets CoolSys apart is its broad, industry-focused experience across grocery, food service, telecommunication, manufacturing, education, entertainment, and pharma sectors, plus a persistent emphasis on reliability, integrity, and meeting client commitments while addressing environmental sustainability. The company aims to improve clients’ operations, experiences, and work environments through high-quality, dependable service and energy-efficient, properly maintained systems.

Company size
1,001-5,000
Company stage
Debt Financing
Total funding
$150M
Headquarters
Brea, CA
Founded
2017

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