Principal Mechanical Engineer - Subject Matter Expert

NTT Global Data Centers; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NTT Global Data Centers seeks an experienced Principal Mechanical Engineer SME to serve as the regional technical authority for mechanical engineering across development portfolios. You’ll lead design reviews, drive cooling and thermal management excellence, and mentor project teams.

Collaborate with Design, Construction, Operations, Procurement, and Supply Chain to optimize solutions and ensure reliability and efficiency in APAC data center programs. 20% travel across the region is expected.

Qualifications

• Bachelor's degree in Mechanical Engineering, Building Services Engineering, or related discipline.
• Chartered Engineer, Professional Engineer registration, or equivalent preferred.
• Membership in a recognized engineering institution is advantageous.

Responsibilities

• Act as the technical authority for mechanical engineering across data center development projects.
• Lead mechanical design reviews from concept through commissioning and handover.
• Provide expertise in cooling, heat rejection, HVAC, hydraulics, ventilation, thermal management, and liquid-cooling technologies.
• Review engineering calculations, equipment selections, specifications, and technical submissions.
• Evaluate designs for reliability, redundancy, efficiency, lifecycle cost, and operational performance.
• Support technical evaluations, commissioning strategies, testing, and issue resolution.
• Collaborate with Design, Construction, Operations, Procurement, and Supply Chain teams to mitigate risks and optimize solutions.
• Drive standardization, innovation, lessons learned, and continuous improvement initiatives.
• Mentor and provide technical guidance to engineering and project teams.

Skills

Mechanical design

HVAC

Thermal management

Problem solving

Stakeholder management

Education

Bachelor's Degree in Mechanical Engineering

Chartered Engineer / PE preferred

Job description

The Principal Mechanical Engineer - Subject Matter Expert (SME), serves as the regional technical authority for mechanical engineering across NTT Global Data Centers' development portfolio. The role provides technical leadership throughout design and delivery, ensuring mechanical solutions meet requirements for reliability, efficiency, constructability, maintainability, and operational performance. Working closely with Design, Construction, Commissioning, Operations, Procurement, and Engineering teams, the SME drives technical excellence and continuous improvement across the region.

Responsibilities

• Act as the technical authority for mechanical engineering across data center development projects.
• Lead mechanical design reviews from concept through commissioning and handover.
• Provide expertise in cooling, heat rejection, HVAC, hydraulics, ventilation, thermal management, and liquid-cooling technologies.
• Review engineering calculations, equipment selections, specifications, and technical submissions.
• Evaluate designs for reliability, redundancy, efficiency, lifecycle cost, and operational performance.
• Support technical evaluations, commissioning strategies, testing, and issue resolution.
• Collaborate with Design, Construction, Operations, Procurement, and Supply Chain teams to mitigate risks and optimize solutions.
• Drive standardization, innovation, lessons learned, and continuous improvement initiatives.
• Mentor and provide technical guidance to engineering and project teams.

Qualifications

• Bachelor's Degree in Mechanical Engineering, Building Services Engineering, or related discipline.
• Chartered Engineer, Professional Engineer registration, or equivalent preferred.
• Membership in a recognized engineering institution is advantageous.

Required Skills

Required Experience

• Minimum 5 years of experience in data centers or other mission-critical environments.
• Strong experience in mechanical design and delivery of multidisciplinary projects.
• Experience across design, construction, commissioning, and handover phases.
• Background with consultants, developers, contractors, or site engineering organizations.
• APAC and multi-country project experience preferred.
• Hyperscale data center experience is advantageous.

Technical Expertise

• Mechanical systems within hyperscale or mission-critical data centers.
• Cooling systems, HVAC, heat rejection, hydraulics, thermal management, and controls.
• Data center resilience, commissioning, and operational requirements.
• High-density and liquid-cooling technologies preferred.
• Strong technical problem-solving and stakeholder management capabilities.

Preferred Skills

• APAC and multi-country project experience.
• High-density and liquid-cooling technologies.
• Chartered Engineer, Professional Engineer registration, or equivalent.
• Membership in a recognized engineering institution.

Travel

• Approximately 20% regional and international travel across APAC.