Senior Refrigeration Service Technician - Commercial & Industrial

Service Tech 6 - Refrigeration

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. As a large company serving diverse customers, we invest in our team with competitive compensation, ongoing education and training, comprehensive benefits, year-round diverse work, and extra perks. Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

The Service Tech 6 - 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.

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 corporate and personal 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.

High school diploma or GED, equivalent work experience and trade or technical school classes. Must have passed Tech Skills level 6 with an 80% or better. Valid EPA certificate.

6+ year's experience 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. Knowledge of I/O network with board power. Ability to troubleshoot a lost board, no response alarm, and fan failure alarm. Knowledge of suction pressure transducer for Comtrol, E2, RMCC, and Danfoss. Knowledge of all boards and input devices in an EMS and its functions. Knowledge of a Hansen rod. Knowledge of the operation of a condenser bypass panel and VSD. Knowledge and ability to perform proper inverter maintenance. Knowledge of evaporative condensers and indoor humidity sensor. Ability to verify a story is properly pressurized. Ability to verify heat staging, operation, anti-sweat operations, and exterior lights operation. Knowledge of floating suction operation for E2 and Danfoss systems. Ability to demonstrate proper PPE and safety equipment. Knowledge of level 2-5 experience/information. Must be able to lift up to 60 lbs. with no assistance and be able to sit and/or stand for several hours at a time. Valid driver's license. Good driving record. Ability to understand and follow all company policies and procedures and all applicable State and Federal laws. Ability to use typical business tools including E-Mail, Word, Excel, etc.