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Location
In office (Tokyo)
Seniority
Staff · 7+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 5, 2026. DayOne scores B on the Alion truth index.

Overview
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DayOne Data Centers is a Singapore-headquartered digital infrastructure company that designs, builds and operates high-capacity, AI-ready data center campuses for hyperscalers and large enterprises. Its footprint spans Asia-Pacific and Europe, built around a hub-and-spoke model linking Singapore, Johor and the Riau Islands, with further sites and teams in Kuala Lumpur, Thailand, Hong Kong, Tokyo, Jakarta and Lahti and Helsinki in Finland. It recruits facilities and building management system engineers, construction and engineering managers, shift technicians, project managers and finance, tax, treasury and procurement specialists.
Backed by Coatue

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.

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