About DayOne Data Centers DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability. About DayOne Data Centers DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability. In Japan, our growing platform includes the 80MW Fuchu Intelligent Park hyperscale campus in Tokyo, as well as a newly announced 200MW data center campus in Imari City, Saga Prefecture. Together, these developments reflect our long-term commitment to one of the world's most important digital infrastructure markets and support Japan’s next phase of digital growth. As we continue to grow, we are building a team of talented professionals who want to shape the next generation of digital infrastructure. Joining DayOne means becoming part of a high-growth, international organization that is helping power the future of cloud, AI, and the digital economy. POSITION OVERVIEW Reporting to the Critical Services Manager, the Electrical Engineering Manager oversees the electrical infrastructure and systems of our hyperscale data centres. This role ensures the continuous and efficient operation of electrical systems, upholds high safety and compliance standards, and supports the Critical Services Manager in strategic initiatives. The successful candidate will lead and mentor a team of electrical engineers, new grads and technicians, ensuring the delivery of critical electrical services 24/7. RESPONSIBILITIES Electrical System Management: - Oversee the design, installation, operation, and maintenance of electrical systems within the data centres. - Ensure all electrical infrastructure, including power distribution units (PDUs), uninterruptible power supplies (UPS), generators, and switchgear, operates reliably and efficiently. - Implement and maintain electrical safety policies, procedures, and best practices. Team Leadership: - Lead, mentor, and develop a team of electrical engineers and technicians, fostering a culture of excellence and continuous improvement. - Coordinate with shift teams to ensure seamless 24/7 coverage and effective handovers between shifts. - Conduct regular training sessions and performance evaluations to enhance team capabilities and productivity. Maintenance and Upgrades: - Plan and oversee preventative and corrective maintenance activities, ensuring all electrical equipment and systems are serviced according to manufacturer and company standards. - Coordinate with vendors and contractors for electrical maintenance and upgrade projects, ensuring minimal impact on operations. Safety and Compliance: Ensure all electrical operations comply with relevant health, safety, and environmental regulations. Maintain up-to-date documentation and records to support compliance audits and certifications. undefined Technical Support: - Provide technical expertise and support for electrical systems, including troubleshooting and resolving complex electrical issues. - Collaborate with other engineering and operations teams to ensure integrated and efficient system performance. Strategic Initiatives: - Support the Critical Services Manager in developing and implementing strategic initiatives to enhance electrical system performance and support business growth. - Participate in budget planning and cost management activities to ensure operational efficiency and financial performance. CANDIDATE REQUIREMENTS: Bachelor’s degree in Electrical Engineering or a related field. Must be fluent in Japanese Preferably business level in English (Conversational level is acceptable) Minimum of 7-10 years of experience in electrical engineering, with at least 3-5 years in a managerial role. Strong knowledge of data centre electrical infrastructure, including power distribution, UPS systems, generators, and switchgear. Proven experience in managing technical teams and 24/7 operations. Excellent problem-solving skills and the ability to manage complex electrical challenges. Strong communication and interpersonal skills, with the ability to collaborate effectively with internal and external stakeholders. Certifications such as Professional Engineer (PE) or similar are highly desirable. DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey. DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions. Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries. DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond. Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With DayOne, they have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub. As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world. We’d love to get to know you! Tell us a bit about your background, experience, and what you're looking for in your next opportunity. The more we know, the better we can match you with roles that fit your goals. Let’s start with: - Your professional background, upload a copy of your latest resume. - Key skills and strengths - Career interests and goals This is your moment — make it count!

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