Senior Ammonia & CO2 Refrigeration Technician

Innovative Refrigeration Systems; Chicago (IL); On-site; USD 62,000 - 90,000; Full time

Benefits offered by this job

401(k) match up to 15%

Medical insurance 75%

Dental insurance

Vision insurance

Short-term disability insurance

Long-term disability insurance

Job summary

Innovative Refrigeration Systems, Inc. in Chicago is seeking a Senior Service Technician to maintain, repair, and support industrial refrigeration systems on client sites.

You will apply expertise in refrigeration and electrical controls, lead safety initiatives, and deliver proactive service with strong customer communication. The role requires 5+ years of relevant experience, EPA certification, and the ability to work 10–12 hour days with potential lifting.

Qualifications

• Must have more than 5 years of relevant experience
• HVAC/R or electrical schooling preferred
• EPA certification required or ability to obtain
• RETA 1&2 certification preferred
• Physical stamina for long shifts and lifting up to 75 lb

Responsibilities

• Provide expert repair and maintenance for industrial refrigeration systems
• Perform routine and emergency service, diagnostics, and inspections
• Troubleshoot and repair control systems, alarms, and electrical systems
• Mentor and support apprentice technicians
• Communicate with Service Managers and customers to coordinate repairs

Skills

Electrical controls

Troubleshooting

Safety leadership

Customer service

Mentoring apprentices

Communication

Education

High school diploma or GED

HVAC/R schooling preferred

Job description

Innovative Refrigeration Systems, Inc. in Chicago is seeking a Senior Service Technician to maintain, repair, and support industrial refrigeration systems on client sites.

You will apply expertise in refrigeration and electrical controls, lead safety initiatives, and deliver proactive service with strong customer communication. The role requires 5+ years of relevant experience, EPA certification, and the ability to work 10–12 hour days with potential lifting.