Principal High Voltage Engineer

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. Your role at a glance NTT Global Data Centers is seeking a Principal High Voltage (HV) Engineer to lead the design, strategy, and execution of mission-critical power infrastructure for large-scale data center developments across the United States, while serving as a global technical authority supporting projects in EMEA, APAC, and other regions. This is a high-impact, senior technical role responsible for shaping how we secure, design, and deploy power at scale. The ideal candidate brings deep expertise in high-voltage systems, strong utility engagement experience, and the ability to influence complex projects across geographies. What we are looking for KEY RESPONSIBILITIES 1.Lead HV Engineering for U.S. Projects Own the technical strategy and design of HV systems (typically 115kV–500kV) for greenfield and brownfield data center developments Define and guide: Substation design (AIS/GIS, redundancy, protection & control) Transmission and distribution interfaces Partner closely with utilities, EPC contractors, OEMs, and internal teams to drive timely, reliable power delivery Support site selection and due diligence, including power availability, grid constraints, and interconnection timelines 2. Serve as Global HV Subject Matter Expert Provide technical leadership and advisory support to projects across multiple regions Review and guide regional designs to ensure alignment with global standards, risk tolerance, and scalability requirements Share best practices and lessons learned to elevate engineering consistency and performance globally 3. Drive Standards, Innovation & Strategy Lead development and continuous improvement of global HV design standards and engineering playbooks Identify opportunities to: Accelerate time-to-power Improve system resilience and redundancy Optimize capital efficiency while managing long-term risk Stay current on grid trends, regulatory changes, and emerging technologies impacting large-scale power infrastructure KNOWLEDGE & ATTRIBUTES Demonstrated expertise in: Transmission systems (≥115kV) Substation design and equipment (AIS/GIS) Protection and control systems Utility interconnection processes Proven track record delivering complex, mission-critical infrastructure projects Ability to influence stakeholders across engineering, development, and external partners Experience in data center or hyperscale infrastructure projects (Preferred) Professional Engineer (PE) license or equivalent (Preferred) ACADEMIC QUALIFICATIONS & CERTIFICATIONS Bachelor’s degree in Electrical Engineering (Master’s preferred) REQUIRED EXPERIENCE 12+ years of experience in high-voltage engineering within utilities, substations, or large-scale infrastructure PHYSICAL REQUIREMENTS Ability to travel by airplane Operate computer, peripherals, and other office equipment. Work conditions & other requirements Remote-based position with extensive daily use of digital collaboration tools Remote with travel approximately 15% of the time. Compensation Pay Range "This is a remote position that requires reliable internet connection and electricity. A monthly stipend is provided to cover expenses associated with working remotely and use of a personal mobile device. NTT Global Data Centers Americas, Inc. offers competitive compensation based on experience, education, and location. Base salary for this position is $187,800 - $240,000. All regular full-time employees are eligible for an annual bonus; payout is dependent upon individual and company performance. Employees receive paid time-off, medical, dental, and vision benefits, life and supplemental insurance, short-term and long-term disability, flexible spending account, and 401k retirement plan to create a rich Total Rewards package.” 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. NTT Global Data Centers is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of 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. Join our growing global team and accelerate your career with us. Apply today.