Refrigeration Service Technician

Cool Sys seeks a Senior Refrigeration Service Technician to lead complex HVAC-R service for commercial and industrial customers. In this field role, you'll diagnose and repair advanced refrigeration and HVAC systems, perform start-ups, conduct preventive maintenance, and ensure high-reliability operation. You'll mentor junior techs, uphold safety standards, complete detailed service documentation, and collaborate with engineering and project teams. At Cool Sys, you'll work with advanced, energy-efficient systems, expand your technical skills, and grow your career in a safety-first, customer-focused culture.

Responsibilities

• Diagnose and repair complex commercial and industrial refrigeration and HVAC-R systems
• Perform preventive maintenance, start-ups, and system performance checks
• Respond to emergency service calls and troubleshoot system failures
• Collaborate with engineering and project teams on system upgrades and retrofits
• Ensure all work complies with safety, regulatory, and manufacturer standards
• Document service activities, parts usage, and recommendations in detail
• Mentor and support junior technicians in field best practices
• Communicate effectively with customers regarding findings and solutions
• Assist with commissioning of new or upgraded refrigeration systems
• Support energy-efficiency and reliability improvements for customer sites

Required Skills

• Commercial refrigeration diagnostics
• HVAC-R system repair and maintenance
• Brazing and piping for refrigeration systems
• Reading electrical and refrigeration schematics
• Use of refrigeration gauges and diagnostic tools
• PLC and control system troubleshooting (basic to intermediate)
• Preventive maintenance planning and execution
• Refrigerant recovery, charging, and leak detection
• Technical documentation and service reporting
• Customer communication and field mentoring