Senior Data Centre Mechanical Commissioning Lead

James L Williams Middle East; Riyadh; On-site; SAR 420,000 - 700,000; Full time

Job summary

James L Williams Middle East invites a seasoned Lead Mechanical Commissioning Engineer to spearhead the delivery of mission-critical Data Centre projects from planning through handover.

You will lead multidisciplinary teams, oversee IST, FAT/SAT, and ensure HVAC, chilled water, CRAH/CRAC systems, pumps and cooling towers meet safety and performance standards across all sites in the region.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 10+ years in commissioning, MEP, or mission-critical facilities.
• At least 5 years on Data Centre projects.
• Experience with critical cooling infrastructure: HVAC, chilled water, CRAH/CRAC, pumps, towers.
• Knowledge of IST, commissioning methodologies, and redundancy concepts.
• Experience leading multidisciplinary testing activities.
• Familiarity with Uptime Institute commissioning practices.
• Professional certifications such as CxA, CCP, BCxP, PMP are a plus.
• Strong leadership, communication, and stakeholder management.

Responsibilities

• Lead and manage day-to-day mechanical commissioning activities on mission-critical Data Centre projects.
• Plan and execute commissioning programmes in line with project schedules, client requirements, and commissioning procedures.
• Lead the commissioning and testing of HVAC systems, chillers, CRAH/CRAC units, chilled water systems, pumps, cooling towers, heat exchangers, and associated mechanical systems.
• Provide technical leadership, mentoring, and guidance to commissioning engineers, technicians, specialist vendors, and contractors.
• Review system designs, operational philosophies, and installation readiness prior to commissioning.
• Lead and supervise Pre-Functional Inspections, FAT, SAT, FPT, and IST.
• Monitor testing progress, resolve technical issues, validate system performance, and ensure all deficiencies are closed prior to handover.
• Prepare and review commissioning reports, testing documentation, issue registers, punch lists, and turnover packages.
• Coordinate commissioning activities with clients, consultants, contractors, and equipment vendors to ensure successful project delivery.
• Support client training, operational readiness, and final system handover while promoting the highest standards of quality and safety throughout the commissioning process.

Skills

Project leadership

Cross-functional leadership

HVAC systems

Commissioning planning

Problem solving

Education

Bachelor's Degree in Mechanical Engineering

Tools

IST procedures

FAT/SAT processes

Punch lists management

Job description

James L Williams Middle East invites a seasoned Lead Mechanical Commissioning Engineer to spearhead the delivery of mission-critical Data Centre projects from planning through handover.

You will lead multidisciplinary teams, oversee IST, FAT/SAT, and ensure HVAC, chilled water, CRAH/CRAC systems, pumps and cooling towers meet safety and performance standards across all sites in the region.