**Nestlé Waters KSA – Almanhal Water Factory (Position based in Almanhal Water Factory - Dammam Industrial Area)** **Position Summary** Ammonia plant operator is responsible for the safe , efficient and continuous operation of ammonia-based refrigeration systems using for industrial cooling purposed , this role involves monitoring , troubleshooting, maintaining and repairing ammonia chillers , compressors , pumps valves and associated system to insure optimal performance and compliance with safety standards . **Key responsibilities:** + Operate and monitor ammonia chiller systems, including compressors, condensers, evaporators, and auxiliary equipment. + Perform daily inspections and rounds to check system pressures, temperatures, fluid levels, and operating conditions. + Record operational data and log system performance in plant records and software. + Maintain and adjust control systems to ensure optimal and safe refrigeration performance. + Conduct preventive maintenance and minor repairs on chillers, motors, valves, and piping systems. + Detect leaks and ensure all safety measures are followed in handling ammonia + Maintain compliance with federal, state, and local environmental, health, and safety regulations. + Respond to alarms and troubleshoot malfunctions in the refrigeration system. + Work with the maintenance team on shutdowns, overhauls, and major repairs. + Participate in emergency response procedures in case of ammonia leaks or system failure. + Assist in training junior staff or plant personnel on ammonia system operations. **Key Experiences:** + Education: High School Diploma or GED required. Technical certification or training in HVAC, refrigeration, or mechanical systems preferred. + Experience: Minimum 1-5 years of experience operating and maintaining ammonia refrigeration systems in an industrial or food processing environment. + Certifications: + RETA (Refrigerating Engineers and Technicians Association) certification or equivalent preferred. + Ammonia Safety Training certification (e.g., PSM/RMP awareness) is a strong plus.