Mechanical Engineer – Testing & Commissioning (Mid-Senior Level)

Mechanical Engineer – QA-QC, Testing & Commissioning of Mechanical Systems (Mid-Senior Level)

Location: UAE (Projects Across UAE & GCC)
Salary: AED 5,000 – AED 8,000 per month (Depending on qualifications, experience, technical assessment, and interview outcome)
Job Type: Full-Time
Availability: Immediate Joiners Preferred
Travel Requirement: 100% Project-Based Travel

About the Role

We are seeking a highly motivated and technically competent Mechanical Engineer – Testing & Commissioning/ QA-QC to join our growing commissioning team. This role is suited for engineers with strong hands-on experience in mechanical testing, commissioning, inspection, troubleshooting, and performance verification of building services systems.

The successful candidate will be involved in mission-critical and large-scale commercial projects, supporting all phases of testing, commissioning, integrated system verification, and client handover activities. This is a fast-paced project environment requiring engineers who can work independently, coordinate with multidisciplinary teams, and manage commissioning activities under demanding project schedules.

Key Responsibilities

Execute and manage testing, commissioning, pre-commissioning, inspection, and performance verification activities for:

Chilled Water Systems

• Chillers (Air-Cooled and Water-Cooled)
• Primary and Secondary Pumps
• Variable Speed Pumping Systems
• Chilled Water Distribution Networks
• Heat Exchangers
• Pressurization Systems
• Expansion Tanks
• Energy Transfer Stations (ETS)

HVAC Systems

• Air Handling Units (AHUs)
• Fresh Air Handling Units (FAHUs)
• Fan Coil Units (FCUs)
• Variable Air Volume (VAV) Systems
• Constant Air Volume (CAV) Systems
• Exhaust and Ventilation Systems
• Staircase and Smoke Extraction Systems
• Pressurization Systems
• Kitchen Ventilation Systems

Fire Protection Systems

• Fire Pumps
• Sprinkler Systems
• Wet & Dry Riser Systems
• Fire Hose Reel Systems
• Clean Agent Suppression Systems
• Foam Suppression Systems
• Deluge Systems
• Water Mist Systems

Plumbing & Public Health Systems

• Domestic Water Systems
• Booster Pump Sets
• Drainage Systems
• Storm Water Systems
• Sewage Transfer Systems
• Water Treatment Systems

Testing Activities

Perform and witness:

• HVAC Heat Load Testing
• Chilled Water System Functional Performance Testing
• Static Pressure Testing of Ductwork
• Air Balancing Verification
• Water Balancing Verification
• Pipe Pressure Testing
• Leakage Testing
• Pump Head Testing
• Flow Measurement Verification
• Pump Performance Curve Validation
• Valve Function Testing
• Integrated Systems Testing (IST)
• Functional Performance Testing (FPT)
• Seasonal Testing Activities
• TAB Verification Activities
• BMS Integration Testing
• Cause & Effect Verification
• Emergency and Failure Mode Testing

Documentation & Reporting

• Prepare, review, and update Commissioning Plans and Procedures.
• Review Method Statements and ensure testing procedures are technically sound and correctly implemented.
• Prepare and maintain Site Observation Reports (SORs).
• Prepare, update, and close Commissioning Activity Sheets (CAS).
• Maintain testing records, commissioning dossiers, and project documentation.
• Review test results and identify deficiencies requiring corrective action.
• Monitor completion of punch list and snagging items.
• Coordinate witness testing with consultants, clients, and authorities.

Coordination & Technical Support

• Participate in client, consultant, contractor, and project progress meetings.
• Present commissioning status, risks, technical issues, and proposed solutions.
• Support troubleshooting and fault-finding activities during project execution.
• Coordinate with construction, QA/QC, TAB, BMS, and commissioning teams.
• Support project handover and closeout activities.
• Assist in preparation of commissioning sched