Senior Electrical Engineer - HH

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.

As the Senior Electrical Engineer, you will act as the Electrical Subject Matter Expert (SME) and support the regional engineering and Critical Facilities (CF) Operations teams in the construction, testing, commissioning, management and operation of their electrical infrastructures. You will provide consistent, regular reporting of the condition and efficiency of the electrical systems, identifying any areas for improvement. This is a hybrid role, with the majority of time based in Hemel Hempstead.

The position also requires flexibility to travel nationally and internationally, up to 30% of the time.

• Assist the regional team in defining and implementing Tech‑Ops (Technical Operations) standards and ensure that the electrical infrastructures are effectively maintained and optimized.
• Help and support the regional team in creating energy business cases for infrastructure change.
• Ensure that the electrical systems are efficiently optimized.
• Carry out regular tours and ad‑hoc inspections of the regional facilities.
• Attend any internal or external quality‑related audits.
• Regularly review and develop commissioning procedures, including those for subcontractors.
• Hold post‑handover project lessons‑learnt meetings for further improvement.
• Conduct meetings regarding the operational performance of the electrical infrastructure and provide regular updates to the stakeholders.
• Carry out project‑management duties if required, such as initial planning, costing, procurement, subcontractor selection, supervision and management.

• Several years of experience working in an electrical critical environment within a large company, IT‑Industry, Telecommunications, Electric Power Industry or comparable.
• Detailed technical knowledge of large‑scale electrical systems, including HV, LV, UPS, standby power and related systems such as BMS/EMS and control systems.
• Proficient knowledge in discrimination, short‑circuit and arc‑flash studies (desirable).
• Experience in HV/LV switching operations (essential).
• Experience in Data Centers (significant advantage).
• Subject‑matter‑expert understanding of operational and maintenance governance principles.
• Familiarity with SOP/EOP development and the CAB process.
• Experience working in a European multi‑cultural environment.
• Aware of Root Cause Analysis management frameworks (highly desirable).
• Must undergo full security and background checks to BS7858:2019 or similar.

NTT Global Data Centers is one of the world’s largest data‑center providers, operating over 150 data centers in more than 20 countries and regions. We offer local‑to‑global data‑center expertise that aligns with our AI‑ready platform, helping clients scale their digital businesses anywhere, anytime.

NTT Global Data Centers is proud to be an Equal Opportunity Employer that embraces diversity and provides an environment free from unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status or any other protected category.