Mechanical Commissioning Engineer

About the Role
We are seeking a Mechanical Commissioning Engineer with a minimum of 12 years of experience, including at least 4-5 years of hands-on hyperscale Data Center Testing & Commissioning experience. In this role, you will be responsible for executing commissioning activities across the full commissioning lifecycle and ensuring the proper functioning of mechanical systems.

Responsibilities

• Execute commissioning activities across the full commissioning lifecycle, including pre-commissioning, functional testing, performance testing, integrated systems testing (IST), and final handover.
• Carry out commissioning of mechanical systems including but not limited to: Chillers, CRAH/CRAC units, cooling towers, pumps, AHUs, HVAC systems, and associated control systems.
• Review and implement approved commissioning plans, test procedures, and scripts, ensuring testing is conducted safely and accurately.
• Coordinate with EPC contractors, vendors, OEM representatives, consultants, and client teams during commissioning and testing activities.
• Witness factory acceptance tests (FAT), site acceptance tests (SAT), and system testing as required.
• Execute and support Integrated Systems Testing (IST) to validate system performance, redundancy, and operational scenarios.
• Identify commissioning issues, record observations, prepare punch lists, and follow up to ensure timely closure.
• Ensure compliance with relevant international standards (ASHRAE, NFPA, IEC, IEEE, Uptime Institute where applicable), project specifications, and local KSA regulations.
• Strictly follow and promote HSE requirements during all commissioning activities.
• Prepare and maintain accurate commissioning documentation, test records, reports, and system sign-off sheets.
• Support preparation of O&M manuals, as-built documentation, training activities, and system handover to operations teams.
• Assist the Commissioning Manager in client inspections, audits, and final acceptance activities.

Qualifications

• Bachelor’s degree in Mechanical Engineering or Building Services
• 12 years of experience in commissioning, testing, or construction of MEP systems
• 4+ years of experience on data center or mission-critical projects preferred.