Senior Refrigeration Service Technician - Commercial & Industrial

CoolSys
Buffalo, NY
Overview:

WHY COOLSYS?

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America's Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

  • Competitive Compensation: $21-$36/HR depending on experience
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries andsystems to keep learning and growing.
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

Responsibilities:

JOB SUMMARY

The Service Tech 3- Refrigeration is responsible for troubleshooting, maintaining , and repairing refrigeration systems. They are expected to handle complex technical issues, provide guidance to junior technicians, and ensure the safe, efficient, and reliable operation of refrigeration equipment for commercial or industrial clients.

ESSENTIAL DUTIES AND RESPONSIBILITIES

  • Ability to report to work in a timely manner as scheduled by supervisor.
  • Repair and overhaul equipment such as compressors, water pumps, air handlers, electrical and mechanical control devices and other similar machinery.
  • Test malfunctioning systems and components using electrical and/or mechanical skills.
  • Maintain legible records of work history.
  • Provide general repair work on refrigeration, heating and ventilation equipment such as air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors and electric motors.
  • Provide preventative maintenance activities; diagnose equipment malfunctions and operating efficiency of mechanical equipment.
  • Perform work on minor construction and remodeling projects including startups of new installations.
  • Embodies the CoolSys CARES culture (Collaboration, Accountability, Respect, Empowerment, Safety).
  • Performs other duties as assigned.

Qualifications:

JOB REQUIREMENTS

Education / Training

  • High school diploma or GED, equivalent work experience and trade or technical school classes.
  • V alid EPA certificate.

Work Experience / Skills

  • 3-5 year's experienc e in commercial HVAC, refrigeration, and electrical required.
  • Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical.
  • Experience working on refrigeration equipment in convenience stores or supermarkets a strong plus.
  • Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful .
  • Knowlege of the components in a single -phase compressor and single-phase motor control circuit .
  • Ability to use an ohmmeter.
  • Ability to verify a capacitor is in good standing.
  • Ability to demonstrate an understanding of defrost circuits.
  • Knowledge of
Posted 2026-07-28

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