Commercial Refrigeration Service Technician Level 4

Advanced Commercial Group•Atlanta, GA

12d

About The Position

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.

Requirements

6+ years of commercial refrigeration or HVAC service experience
Strong troubleshooting and diagnostic capabilities
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

Nice To Haves

Experience with rack systems, grocery store refrigeration systems, or large commercial refrigeration environments preferred

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
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