Senior Refrigeration Service Technician - Commercial & Industrial

CoolSys; Knoxville (TN); On-site; USD 62,400 - 112,320; Full time

Benefits offered by this job

Quarterly bonus plan

Tuition reimbursement

Employee discounts on vehicles

Employee discounts on hotels

Pet insurance

Job summary

CoolSys is seeking a ServiceTech6-Refrigeration to troubleshoot, maintain, and repair commercial refrigeration systems. You will handle complex issues, guide junior technicians, and ensure safe, reliable operation for industrial clients.

You will leverage over 6 years of HVAC/refrigeration/electrical experience, with required EPA certification and a valid driver's license. Join a team focused on safety, quality workmanship, and customer satisfaction across diverse facilities.

Qualifications

• High school diploma or GED required.
• Tech Skills level 6 with 80% minimum.
• Valid EPA certificate required.

Responsibilities

• 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.

Skills

Commercial HVAC

Refrigeration

Electrical

Troubleshooting

Business tools (Email/Word/Excel)

Education

High school diploma or GED

Tech Skills level 6 (80%)

Valid EPA certificate

Job description

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: $30-54/ HR DOE
• 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 and systems 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 ServiceTech6-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 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.

Qualifications

JOB REQUIREMENTS

Education / Training

• 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.

Work Experience / Skills

• 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.

Join Us

Today, there are 27 different companies that make up the CoolSys family of brands.

Our valued employees are at the heart of our continued growth and success. We invite you to be part of that growth!

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CoolSysis an EEO/AA Employer. All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status and other characteristics are encouraged to apply.

Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions. CoolSys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance.

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