Commissioning Engineer - Cooling Specialist

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