IOTA Group is looking for an experienced Commissioning Engineer - Cooling Specialist to join its teams within a leading international energy management and industrial technology company, supporting the commissioning of critical cooling systems on a major project in the United Arab Emirates.

The position is based at the Khazna Site in Ajman, UAE, and will focus on the pre-commissioning, start-up, testing and operational support of Cooling Distribution Units (CDU).

As Commissioning Engineer - Cooling Specialist, you will be responsible for supporting the commissioning and start-up activities of Cooling Distribution Units and associated hydraulic, electrical and control systems.

Your main responsibilities will include:

• Perform pre-commissioning inspections of primary and secondary piping, hydraulic components and electrical connections.
• Verify correct installation, wiring, termination, mounting and overall mechanical integrity of the equipment.
• Confirm completion and adequacy of system flushing and perform visual inspections to identify defects, leaks or installation issues.
• Perform commissioning and start-up checks on primary and secondary cooling circuits.
• Verify electrical power systems including voltage, phase sequence, grounding, protection devices and power supply integrity.
• Check the installation, calibration and operational readiness of sensors and control devices.
• Support initial filling, flushing, air purging and hydraulic balancing of the secondary loop.
• Test pumps and Variable Frequency Drives (VFDs) and verify rotation, control response and operational performance.
• Perform functional testing of control sequences, alarms, safeties and interlocks.
• Carry out communication testing through BACnet / Modbus and verify correct integration with the Building Management System (BMS).
• Support Site Acceptance Testing (SAT) of the Cooling Distribution Units.
• Monitor CDU operation and system performance through the Human Machine Interface (HMI).
• Record operating parameters including temperatures, pressures, flow rates, pump status, valve positions and alarms.
• Extract available event and alarm logs and contribute to the preparation of commissioning and test reports.
• Provide onsite standby support and immediate troubleshooting in case of abnormal operating conditions or system alarms.

• Strong practical knowledge and experience with cooling systems.
• Proven experience in commissioning, start-up or testing of cooling equipment and associated systems.
• Good understanding of hydraulic circuits, pumps, VFDs, instrumentation and control systems.
• Knowledge of BMS communication protocols such as BACnet and Modbus.
• Ability to perform commissioning inspections, functional testing and troubleshooting activities onsite.
• Comfortable working with HMI systems, operational parameters, alarms and equipment status.
• English proficiency required.
• Ability to work in an international and multicultural project environment.

• Location: Khazna Site - Ajman, United Arab Emirates
• Starting date: 1 October 2026
• Duration: 6 months
• Working schedule: Resident position - 6 days per week / 4x1 rotation
• Candidate origin: Open to all nationalities
• Accommodation: Provided
• Transportation: Local transportation / vehicle provided
• Food allowance: Provided
• Flights: Provided