Refrigeration Maintenance Technician - Entry Level. Refrigerated Specialist, Inc. 3100 E. Meadows Blvd. Mesquite, Texas 75150. If you’re looking to get started in the refrigeration industry at a company that provides its employees with the training and support they need to continue growing and developing their skills, then look no further. Refrigerated Specialist Inc.(RSI), a CFESA-certified company, is looking for entry-level refrigeration perfo...