To thrive as a Walmart Refrigeration technician, you need a solid background in HVAC/R systems, basic electrical knowledge, troubleshooting skills, and typically a relevant certification such as EPA 608. Familiarity with diagnostic tools, refrigerant recovery equipment, and computerized maintenance management systems (CMMS) is usually required. Strong problem-solving, communication, and time management skills help technicians excel in addressing urgent maintenance issues and collaborating with store teams. These abilities are crucial to maintaining Walmart's refrigeration systems efficiently, ensuring product quality and store operations are not disrupted.