Must be 18+ years old, pass pre-employment physical, drug screen, and any required testing/certifications (e.g., First Aid/CPR/AED, Emergency Responder).Ability to embrace and demonstrate The Wine Group Core Values: Long-Term Sustainable Value Creation, Relentlessly Entrepreneurial, Empowered People who are Responsible and Trustworthy. The Refrigeration/HVAC Technician will perform advanced diagnostics, repairs, and preventive maintenance on ammonia-based central systems (including compressors, condensers, evaporators, vessels, valves, pumps, and controls) and HVAC components (such as chillers, air handlers, rooftop units, and ductwork).