To perform prescribed, routine maintenance procedures on supermarket refrigeration systems and self-contained temperature-controlled merchandisers with minimal supervision. Perform maintenance, diagnosis and repair of refrigeration, heating & air-conditioning systems commonly installed in supermarkets, convenient stores and cold storage facilities with some direction from a Master or Lead Technician. Perform prescribed, routine maintenance procedures on supermarket refrigeration systems and self-contained temperature-controlled merchandisers. Demonstrate operating knowledge of self-contained refrigeration, heating and air conditioning units with some direction from a Master or Lead Service Technician. Perform preventative maintenance for convenient stores, small format, and supermarkets to include compressor change assists, leak searching and coil washing. Detect and repair leaks on racks or single-unit piping, solder with copper-to-brass and copper to steel, diagnose low air flow, install PVC drain pipe, replace evaporator/condenser motors, use temperature meters and sensors, receive, uncrate and properly hang blower coils, fabricate hangers, struts and supports, power wash air-cooled condensing units, repair Hussmann brand products, replace any component on a rack and perform walk-in case installation with some direction from a Master or Lead Technician. Complete necessary documents (work tickets and time sheets) and electronic communication in a thorough, accurate, professional and timely manner. Demonstrate ability to utilize a hand-held computer to complete necessary customer paperwork and invoicing requirements. Maintain and manage truck inventory in an accurate, neat and orderly manner as well as adhere to vehicle maintenance program guidelines (If applicable). Develop and maintain excellent customer relations and professionally articulate equipment and system malfunctions using correct terminology. Understand basic electrical schematics including volts, amps, ohms. Responsible for TEV troubleshooting and replacement. Demonstrate understanding of sub cool, superheat, refrigerant and oil properties, vacuums and microns, system evacuation and charging, system pump down, system defrost types, single phase compressor start components, recovery setup, torch setup, conventional refrigeration system layout, and parallel rack system layout. Demonstrate a working knowledge of gauge, scale, recovery, ECM, shaded pole, PSC, and three phase motors. Safely handle R 290 refrigerant and other hazardous materials such as dry nitrogen. Additional responsibilities as assigned. Note: Equipment specialty may vary by branch Qualifications Formal Education Requirement: Required Level: High School Diploma/ GED Preferred level: HVAC-R Technical School Degree Minimum Years of Experience Necessary: External Candidates: 5 years in the field or 3 years with Certification from a Technical School Internal Candidates: 1 year as a Qualified Technician w/ completion of OJT & Skills Assessment