Lead Mechanical Engineer, Data Center Design & Ops

NTT Global Data Centers; Hemel Hempstead; On-site; GBP 110,000 - 150,000; Full time

Job summary

NTT Global Data Centers in Hemel Hempstead seeks a Senior Mechanical Engineer, EMEA Design Execution SME, to lead localisation of our Design Product through all project stages, including design, permitting, construction, and handover to operations.

You will drive MVP delivery, provide technical leadership, and mentor junior engineers while collaborating across teams to optimise data centre cooling, BMS integrations, and infrastructure upgrades.

Qualifications

• University degree in Engineering (Electrical or Mechanical preferred).
• Membership of a professional institution relevant to data centre industry.
• Minimum 5 years in data centres or mission-critical M&E industries.
• Experience leading multidisciplinary design teams.

Responsibilities

• Lead and oversee complex mechanical projects from concept to handover.
• Drive localisation of OPR and GRD for MVP delivery.
• Provide technical leadership and mentorship to engineers.
• Collaborate with cross-functional teams to improve systems and infrastructure.
• Perform RCA investigations and implement corrective actions.
• Support commissioning to ensure facilities are ready for operations.

Skills

HVAC systems

PUE calculations

Liquid cooling

CAD software

Mentoring juniors

Cross-functional collaboration

QA/QC

Analytical problem solving

Multinational teamwork

Education

Engineering degree

Professional institution membership

Tools

CAD software

BMS knowledge

Job description

NTT Global Data Centers in Hemel Hempstead seeks a Senior Mechanical Engineer, EMEA Design Execution SME, to lead localisation of our Design Product through all project stages, including design, permitting, construction, and handover to operations.

You will drive MVP delivery, provide technical leadership, and mentor junior engineers while collaborating across teams to optimise data centre cooling, BMS integrations, and infrastructure upgrades.