Mechanical Commissioning Engineer

Job description

SGS is looking for a Mechanical Commissioning Engineer in Riyadh with at least 12 years of experience, including 4 to 5 years of hands-on hyperscale data center testing and commissioning.

The engineer carries out commissioning across the full lifecycle, from pre-commissioning and functional testing to integrated systems testing and final handover, for chillers, CRAH/CRAC units, cooling towers, pumps, AHUs and HVAC controls, working with EPC contractors, vendors and client teams.

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

Requirements

• 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.

Skills

• ASHRAE
• Chillers
• Commissioning
• Data Center
• HSE
• HVAC
• Integrated Systems Testing