Maintenance of ammonia refrigeration plants that supply to Blast freezers, Cold storages, Chilled water systems and room air conditioning. Jobs primary role involves Operating the equipment in unit operations - Evaporators, Compressors, Condensers, Heat exchangers & associated PLC systems and Monitoring process parameters. Candidate must possess strong understanding of principles of refrigeration and system components. Candidate must exhibit understanding of pipeline design drawings. Must possess skills to analyze heat load calculations.