Senior Refrigeration & HVAC Service Technician

CoolSys - Refrigeration and HVAC Systems; Baton Rouge (LA); On-site; USD 39,000 - 69,000; Full time

Benefits offered by this job

Sign on Bonus

Education & Training

Medical coverage

Dental coverage

Vision coverage

401K match

Vacation & Holidays

Tuition reimbursement

Bonus plan

Employee discounts

Pet insurance

Job summary

CoolSys is seeking a Service Tech 4 - Refrigeration to troubleshoot, maintain, and repair commercial refrigeration systems for a variety of clients. You will handle complex technical issues, mentor junior technicians, and ensure safe, efficient operation across sites.

Ideal candidates have 3–5 years of HVAC/refrigeration experience, EPA certification, and strong knowledge of rack and display-case systems. The role offers competitive hourly pay, benefits, and ongoing training at a major

Qualifications

• 3-5 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.
• Knowledge and understanding of the functions for single/multipule 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.

Responsibilities

• Report to work on time 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

HVAC systems

Electrical knowledge

Troubleshooting

Teamwork

Education

HS Diploma or GED

EPA Certification

Tech Skills Level 4

Tools

RS Engineering Sheet

Job description

CoolSys is seeking a Service Tech 4 - Refrigeration to troubleshoot, maintain, and repair commercial refrigeration systems for a variety of clients. You will handle complex technical issues, mentor junior technicians, and ensure safe, efficient operation across sites.

Ideal candidates have 3–5 years of HVAC/refrigeration experience, EPA certification, and strong knowledge of rack and display-case systems. The role offers competitive hourly pay, benefits, and ongoing training at a major