Mechanical Commissioning Engineer

SGS; Riyadh; On-site; SAR 300,000 - 460,000; Full time

Job summary

SGS is seeking a Mechanical Commissioning Engineer with 12+ years of experience, including 4–5 years in hyperscale data centers. You will execute commissioning across the full lifecycle, including FAT/SAT/IST, and coordinate with EPCs, vendors, and client teams in Riyadh, Saudi Arabia.

You will review plans, test procedures, and ensure compliance with ASHRAE, NFPA, IEC, IEEE standards and local regulations while promoting HSE practices.

Qualifications

• Bachelor’s degree required 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.

Responsibilities

• Execute commissioning activities across the full commissioning lifecycle, including pre‑commissioning, functional testing, performance testing, IST, and final handover.
• Carry out commissioning of mechanical systems including chillers, CRAH/CRAC units, cooling towers, pumps, AHUs, HVAC systems, and related 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 reps, consultants, and client teams during commissioning and testing activities.
• Witness FAT, SAT, and system testing as required.
• Execute and support IST to validate system performance, redundancy, and operational scenarios.
• Identify commissioning issues, record observations, prepare punch lists, and ensure timely closure.
• Ensure compliance with ASHRAE, NFPA, IEC, IEEE, Uptime Institute standards, project specs, 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 docs, training, and system handover to operations teams.
• Assist the Commissioning Manager in client inspections, audits, and final acceptance activities.

Skills

Mechanical commissioning

HVAC systems

Site coordination

Safety & HSE practices

FAT/SAT IST testing

Education

Bachelor’s degree in Mechanical Engineering or Building Services

Job description

SGS is the world’s leading inspection, verification, testing and certification company. We are recognized as the global benchmark for quality and integrity. With more than 89,000 employees, we operate a network of more than 2,600 offices and laboratories around the world.
SGS is looking for 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.

Job Description

• 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 systemsincluding 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 Engineeringor 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.