Lead Technician - Industrial Refrigeration

NNO Johnson Controls Norway AS

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Al Quoz-Dubai-United Arab Emirates Until 9/8/2026 6+ years exp H-1B sponsor history First posted July 10, 2026 Last posted July 10, 2026
Job description

What you will do

We are seeking an experienced and knowledgeable Refrigeration Service Personnel to join our Industrial Refrigeration team in the United Arab Emirates. In this role you will be reporting to the Field Line Manager and will be responsible for commissioning, servicing, troubleshooting, and maintaining refrigeration systems in various industries.

How you will do

  • Conduct service and maintenance activities on IR Ammonia single and double stage systems, adhering to operational philosophies.

  • Read and understand electrical and controller drawings, as well as P&ID diagrams.

  • Commission, service, and troubleshoot refrigeration systems and gas compressor units, with a preference for experience with Sabroe, Gram, and Frick units.

  • Perform testing, commissioning, and service on Danfoss valves and control systems commonly used in JCI industrial refrigeration systems.

  • Overhaul reciprocating screw compressors, preferably with experience on SABROE, GRAM, Frick, and YORK compressors.

  • Possess refrigeration knowledge and experience in controls and instrumentation, including an understanding of relay-based controls, PLCs, DCS systems, and compressor unit controllers such as Unisab, Gramatic, and Quantum.

  • Familiarity with process cooling equipment commonly used in petrochemical industries, including systems utilizing propane, Propylene and R134a refrigerants.

  • Maintain a basic understanding of the hazards associated with ammonia, propane, and H2S gases.

  • Handle, report, and communicate effectively with food and beverage and PRS customers.

What we look for

  • Proven experience and knowledge in the commissioning, servicing, and troubleshooting of refrigeration systems.

  • Hold a diploma or degree in Refrigeration and Air Conditioning.

  • Have a minimum of 6 to 8 years of hands-on field service experience.

  • Strong understanding of electrical and controller drawings, as well as P&ID diagrams.

  • Familiarity with Sabroe, Gram, and Frick compressor units.

  • Proficiency in testing, commissioning, and servicing Danfoss valves and control systems.

  • Experience in overhauling reciprocating screw compressors, preferably SABROE, GRAM, Frick, and YORK compressors.

  • Solid understanding of controls and instrumentation, including relay-based controls, PLCs, DCS systems, and compressor unit controllers (Unisab, Gramatic, Quantum).

  • Knowledge of process cooling equipment and refrigerants used in petrochemical industries.

  • Basic awareness of the hazards associated with ammonia, propane, and H2S gases.

  • Excellent communication and problem-solving skills.

About this role

Summary

Maintain, troubleshoot, and service industrial refrigeration systems in petrochemical industries.

Job title

Lead Technician - Industrial Refrigeration

Experience level

6-8 years

Minimum experience

6+ years exp

Industry

industrial refrigeration

Location requirements

Dubai, UAE; on-site work required

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

troubleshootingsystem commissioningrefrigeration systemselectrical drawing readingP&ID diagramsSabroeGramFrickDanfoss valvesPLCDCSUnisabGramaticQuantumhazard awareness

Preferred skills

gas compressor overhaulprocess cooling equipmentammonia safetypropaneH2S gases

Specializations

refrigerationcontrolsHVACgas systemsindustrial equipment
Locations

Structured locations inferred from the posting.

Al Quoz - Al Quoz 4 - Dubai - United Arab Emirates

On-site City