Commercial Refrigeration Service Technician Level 4

Refrigeration Service Technician Level 4

The Refrigeration Service Technician Level 4 is a senior-level technician responsible for complex diagnostics, major system repairs, and optimization of commercial refrigeration and HVAC systems. This role requires extensive technical expertise, strong problem-solving skills, and the ability to manage high-priority service calls with minimal supervision. The Level 4 Technician plays a critical role in supporting the service team by mentoring technicians, ensuring adherence to industry standards, and delivering exceptional customer service.

Key Responsibilities:

• Lead advanced troubleshooting and diagnostics on commercial refrigeration and HVAC systems
• Perform complex repairs, retrofits, and system optimization
• Serve as a technical advisor and subject matter expert within the service team
• Ensure work is completed safely and in compliance with industry and environmental standards
• Maintain accurate service documentation and provide detailed reporting to customers and management
• Support technician development through mentorship and hands-on training
• Contribute to process improvements and quality assurance initiatives

Primary Duties:

• Diagnose and repair complex refrigeration and HVAC system failures
• Repair, replace, and optimize critical components including: advanced control systems, multi-stage compressors, variable frequency drives (VFDs), high-capacity cooling systems
• Perform system commissioning to ensure installations meet operational and efficiency standards
• Develop and implement preventative maintenance strategies to improve system performance and reliability
• Analyze recurring system issues and recommend long-term solutions
• Lead large installation and retrofit projects in coordination with project managers, engineers, and field teams
• Ensure EPA and environmental compliance requirements are followed
• Provide customers with detailed service reports, recommendations, and system improvement strategies
• Mentor Level 1–3 technicians and assist in technical training initiatives
• Stay current on industry advancements, regulatory changes, and emerging refrigeration technologies

Qualifications:

• 6+ years of commercial refrigeration or HVAC service experience
• Strong troubleshooting and diagnostic capabilities
• Experience with rack systems, grocery store refrigeration systems, or large commercial refrigeration environments preferred
• Knowledge of advanced controls and refrigeration systems
• EPA Certification required
• Ability to work independently and manage high-priority service calls
• Strong communication and leadership skills