Energy Optimisation Manager

Overview

Make an impact at NTT Global Data Centers. Join NTT Global Data Centers and be part of a team that drives innovation and sustainability in the digital world. With over 150 data centers across more than 20 countries globally, we offer unparalleled opportunities to work on cutting‑edge technology and transformative projects. Experience a collaborative, innovative, and inclusive workplace where your ideas are valued, and your growth is supported.

We are seeking an Optimisation Manager to join our Optimisation & Analytics team within Technical Operations. This is a newly created senior role reporting to the Director of Optimisation & Analytics, with global responsibility across our data centre portfolio. The position can be based in the UK, the Netherlands or Spain. As a senior member, you will act as the primary interface between Optimisation & Analytics, Technical Operations and Site Operations, working closely with regional teams and external partners worldwide.

You will lead delivery, drive optimisation processes and be accountable for achieving energy efficiency, sustainability and performance targets.

• Strong analytical and problem‑solving capability, with a data‑driven approach to decision‑making and the ability to simplify complex operational challenges.
• Proven delivery‑focused mindset (“go‑get‑it”), with the ability to lead execution and drive outcomes in a global, matrixed environment.
• Demonstrated ability to collaborate closely with operations and engineering teams to deliver optimisation and performance improvements.
• Excellent stakeholder management skills across regions and functions, with the ability to influence without direct authority.
• Strong communication, training and enablement skills, engaging both colleagues and clients.
• Strategic thinker with strong business acumen, comfortable operating in ambiguous and evolving environments.
• High level of ownership, accountability and pride in personal and team performance.
• Excellent project and change management skills, managing multiple priorities effectively.
• Strong reporting skills, translating complex data into clear, actionable insights for senior stakeholders.
• Advanced proficiency in Microsoft Excel for analysis and reporting; strong working knowledge of Microsoft Office.
• Enthusiastic about improving performance, sharing best practice and upskilling colleagues.
• Adaptable, resilient and proactive, setting the tone through visible leadership.
• Maintains awareness of industry trends, new technologies and relevant regulatory requirements.

• Bachelor’s degree (or equivalent) in Mechanical Engineering, Building Services Engineering or a related discipline preferred.
• Advanced degree (e.g., MBA) desirable.
• Chartered Engineer status desirable.
• Energy‑related professional certifications (e.g., Energy Institute or equivalent) desirable.
• Support for relevant professional development and certifications may be provided.

• 5–10 years of experience in a mission‑critical environment within a large organisation; IT or telecommunications experience preferred.
• Minimum 5 years leading a technical operations or engineering function.
• Data centre experience or experience in a comparable critical environment is a strong advantage.
• Strong technical knowledge of mechanical cooling systems, building controls, sub‑metering and energy efficiency highly desirable.
• Proven experience in senior roles within global, multi‑regional organisations.
• Extensive people leadership and team‑building experience.

• Fluent in English; additional languages are an advantage.
• Ability to work across global time zones.
• International travel required (approximately 25%).
• Hybrid working model with a reliable remote setup.
• Ability to work primarily during UK business hours.

• Identify, develop and implement facility optimisation opportunities, with a strong focus on energy efficiency, equipment performance and overall facility performance.
• Support regional execution teams in the development of business cases for infrastructure optimisation initiatives.
• Motivate, train and enable…