Refrigeration Service Technician - Commercial & Industrial

CoolSys; Stamford (CT); On-site; USD 27,000 - 46,000; Full time

Benefits offered by this job

Sign-on bonus up to $5,000

Ongoing education & training

Comprehensive benefits

Job summary

CoolSys in Stamford, Connecticut is looking for a Service Tech 4 - Refrigeration to troubleshoot, maintain, and repair refrigeration systems. This position requires 3-5 years of experience in commercial HVAC and a valid EPA certificate.

The successful candidate will enjoy competitive compensation along with substantial benefits including education and training, health coverage, and a 401(k) plan.

Qualifications

• 3-5 years' experience in commercial HVAC and refrigeration.
• Basic knowledge of refrigeration and electrical systems.
• Valid driver’s license and good driving record.

Responsibilities

• Troubleshoot and repair refrigeration systems.
• Provide guidance to junior technicians.
• Perform preventative maintenance on HVAC and refrigeration equipment.

Skills

Commercial HVAC experience

Refrigeration systems knowledge

Electrical knowledge

Preventative maintenance skills

Valid EPA certificate

Education

High school diploma or GED

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. As a large company serving diverse customers, we invest in our team with:

• Competitive Compensation: $27,000–$46,000 range and sign‑on bonus up to $5,000 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).
• 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 Service Tech 4 – 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

Education / Training

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

Work Experience / Skills

• 3‑5 years' 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 is a strong plus.
• Knowledge and understanding of the functions for single/multiple unit systems, rack systems, parallel racks, and rack control units along with previous work and understanding on display cases and walk‑in boxes.
• Strong knowledge of open circuits on a rack compressor control circuit.
• Knowledge of lock‑out/tag‑out and arc flash equipment.
• Knowledge of a case lineup with electric defrost circuits.
• Knowledge and ability to use an RS engineering sheet.
• Knowledge of minimum DA/RA and SST requirements for FF/IC systems.
• Ability to identify refrigeration floor plan symbols.
• Ability to take readings of compressor parameters, compression ratios and repair deficiencies.
• Knowledge of proper material handling techniques.
• Knowledge of HVAC valve settings, preventative maintenance, how to locate leaks with a refrigerant leak detector, and report large refrigerant leaks.
• Ability to demonstrate proper PPE and safety equipment.
• Knowledge of level 2‑3 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.

CoolSys is 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.