Ammonia Refrigeration Technician

Location: San Antonio, TX, USA Salary: $30 per hour ($62,400 annually, based on 40 hours per week and 52 weeks per year) Position Overview We are seeking a skilled Ammonia Refrigeration Technician to operate, maintain, troubleshoot, and repair industrial ammonia refrigeration systems and related utility equipment in a food manufacturing environment. The ideal candidate will have hands-on industrial refrigeration experience, strong technical troubleshooting skills, and a commitment to workplace safety and operational standards. Required Qualifications Minimum of 2 years of ammonia refrigeration experience in an industrial refrigeration environment and food manufacturing facility. Must hold an ammonia refrigeration certification from GCAP or RETA. Must hold an EPA Type II certification. Must be able to pass a respirator fit test and pulmonary function test. Must be able to complete a 24-hour HAZMAT training course. Knowledge of general maintenance, electrical systems, and electronic systems. Ability to work independently with minimal supervision and collaborate effectively with a team. Understanding of Lockout/Tagout (LOTO), Good Manufacturing Practices (GMPs), and Process Safety Management (PSM) requirements. Key Responsibilities Operate, test, troubleshoot, and repair ammonia refrigeration systems, subsystems, and associated auxiliary equipment. Maintain and troubleshoot boilers, hot water systems, domestic cold water systems, and compressed air systems. Perform planned and preventive maintenance on ammonia refrigeration and utility systems. Operate and maintain spiral freezers. Maintain refrigeration and utility rooms according to established operational and safety standards. Perform or learn ammonia system pump-down procedures for repairing or replacing refrigeration components. Complete required documentation, including PSM-related modifications, work orders, and refrigeration system operating records. Maintain accurate digital maintenance, refrigeration, and ammonia system records. Conduct daily inspections and monitor temperatures and operating conditions of ammonia systems. Perform chemical testing on boilers and condenser towers. Follow all applicable safety policies, GMPs, and Standard Operating Procedures (SOPs). Perform additional duties as assigned by the Maintenance or Refrigeration Manager.