Senior Mechanical SME at NTT Global Data Centers, Hemel Hempstead

Your role at a glance

As the Senior Mechanical Engineer, EMEA Design Execution SME, you will be a key member of our EMEA Engineering & Design Execution team, responsible for delivering the localisation of our Design Product, including the defined Owners Project Requirements (OPR) and the Global Reference Design (GRD), through all stages of project execution, including design, permitting, construction, and handover to operations.

What you will do

• Lead and oversee complex mechanical engineering projects from concept through execution, ensuring compliance with industry standards, regulations, and project requirements. Drive the implementation and localization of the OPR and GRD to ensure Minimum Viable Product (MVP) delivery
• Provide technical leadership, guidance, and mentorship to mid-level and junior mechanical engineers
• Collaborate with cross-functional teams to drive continuous improvement and innovation in mechanical systems supporting data centre infrastructure
• Contribute to the development, optimization, and enhancement of mechanical systems and infrastructure upgrades
• Stay informed of emerging technologies, industry trends, and engineering best practices, applying them to improve operational performance and reliability
• Prepare and present technical reports, recommendations, and project updates to senior management
• Lead Root Cause Analysis (RCA) investigations and implement corrective actions where required
• Support commissioning activities as needed to ensure facilities are delivered "green and clean" and ready for operations.
• Make technical decisions that support project execution and align with NTT's strategic objectives throughout the design, construction, and commissioning phases
• Review and approve Architect & Engineer (A&E), OFCI Vendor, and General Contractor (GC) design packages and technical submissions to minimize risk, reduce errors, and ensure MVP compliance throughout the project lifecycle, including design, construction, commissioning, and handover
• Drive quality assurance and quality control (QA/QC) activities during the design and construction phases, including periodic site visits to ensure Resident Engineers (REs), Construction Managers, QA Managers, General Contractors, and Vendors are effectively supervising and delivering work to the required technical and construction standards
• Resolve technical disputes and engineering issues among NTT and third-party stakeholders during design, construction, and commissioning activities
• Contribute to the continuous improvement of Design & Engineering processes, standards, and procedures
• Interface with customers to evaluate the technical impact of customer-driven changes and provide recommendations on appropriate solutions

What we are looking for

• In-depth expertise in high-reliability HVAC systems, heat rejection plants, energy efficiency, Power Usage Effectiveness (PUE) calculations and associated regulations, liquid cooling technologies, thermodynamics, fluid dynamics, failover mechanisms, and associated Building Management Systems (BMS)
• Thorough understanding of M&E systems and their relationship to controls
• Advanced proficiency in Computer-Aided Design (CAD) software for complex engineering designs
• Strong ability to optimize and fine-tune engineering systems for maximum efficiency
• Highly developed understanding of commissioning (Cx) processes and test scripts
• Comprehensive understanding of data center infrastructure and its integration with engineering systems
• Strong leadership and mentoring skills, with the ability to guide and develop both internal and external engineering teams
• Proficient in managing personal and professional commitments while collaborating with teams across different time zones
• Strategic thinker with a structured and goal-oriented approach.
• Strong analytical and problem-solving skills
• Ability to work effectively in multinational, interdisciplinary, and culturally diverse teams
• Passion for start-up and ramp-up environments
• Passion for listening to stakeholders and customers, combined with a world-class delivery and service mindset
• Recognized technical expert in a design and/or specification discipline relevant to the data center industry

Academic Qualifications and Certifications

University degree in Engineering (preferably Electrical Engineering, Mechanical Engineering, or a related discipline)

Membership of a professional institution recognized as relevant to the data center industry

Required Experience

Minimum of 5 years of experience in data centers and/or other mission-critical M&E-driven industries

Experience working within multidisciplinary design teams, preferably in a leadership role

Experience in design consultant, client engineer, site engineer, and/or contractor engineer roles

International experience, with exposure to different organizations, project types, and delivery environments

Ideally experienced in working with colocation (colo) and hyperscale customers

Who we are

As the third largest data center provider, we operate over 150 data centers in more than 20 countries and regions. We understand that every business – large and small – has its own unique needs and goals. We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime.