Ammonia Refrigeration Technician

Maersk Logistics & Services Denmark A/S

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India, Chennai, 601203 Until 9/15/2026 5+ years exp H-1B sponsor history First posted July 17, 2026 Last posted July 17, 2026
Job description
APM Terminals

Key Responsibilities

  • Operate and monitor ammonia refrigeration systems, compressors, condensers, evaporators, pumps, and associated equipment.
  • Carry out preventive, predictive, and corrective maintenance activities as per the maintenance schedule.
  • Diagnose and troubleshoot mechanical, electrical, and instrumentation faults in refrigeration equipment.
  • Monitor system parameters such as pressure, temperature, oil levels, refrigerant levels, and compressor performance.
  • Conduct routine inspections to identify leaks, abnormal vibrations, and equipment defects.
  • Ensure compliance with ammonia handling procedures and safety regulations.
  • Maintain records of maintenance activities, equipment history, and operating parameters.
  • Supervise contractors during shutdowns, overhauls, and major maintenance activities.
  • Ensure availability of critical spare parts and maintain inventory records.
  • Participate in emergency response activities related to ammonia leakage or equipment failure.
  • Implement energy-saving and reliability improvement initiatives.
  • Ensure compliance with statutory requirements and company safety standards.

Experience

  • 5–8 years of experience in industrial ammonia refrigeration systems.
  • Experience in food processing, cold storage, dairy, beverage, pharmaceutical, or industrial manufacturing plants is preferred.

Technical Skills

  • Operation and maintenance of ammonia refrigeration systems.
  • Screw and reciprocating compressors.
  • Refrigeration control systems and PLC-based automation.
  • Pumps, valves, cooling towers, evaporative condensers, and heat exchangers.
  • Preventive and predictive maintenance practices.
  • Root Cause Analysis (RCA).
  • Reading P&IDs and engineering drawings.
  • Safety standards related to ammonia refrigeration.

Maersk is committed to a diverse and inclusive workplace, and we embrace different styles of thinking. Maersk is an equal opportunities employer and welcomes applicants without regard to race, colour, gender, sex, age, religion, creed, national origin, ancestry, citizenship, marital status, sexual orientation, physical or mental disability, medical condition, pregnancy or parental leave, veteran status, gender identity, genetic information, or any other characteristic protected by applicable law. We will consider qualified applicants with criminal histories in a manner consistent with all legal requirements.

 

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About this role

Summary

Operate, maintain, troubleshoot ammonia refrigeration systems in industrial setting.

Job title

Ammonia Refrigeration Technician

Experience level

5-8 years

Minimum experience

5+ years exp

Industry

transportation

Location requirements

Chennai, India, on-site work only

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

operation and maintenance of ammonia refrigeration systemsscrew and reciprocating compressorsrefrigeration control systemsPLC-based automationpreventive maintenanceRoot Cause Analysisreading P&IDssafety standards related to ammonia refrigeration

Preferred skills

None specified

Specializations

refrigerationammonia systemsmechanicalelectricalinstrumentation
Locations

Structured locations inferred from the posting.

Unknown location

On-site