Senior Engineer Mechanical

Join Day One – Shaping the Future of Data Infrastructure Day One is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started. As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey.

This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure. If you're passionate about innovation, technology, and growth, we invite you to be part of Day One’s next chapter.

• Oversee the design, installation, operation, and maintenance of mechanical systems within the data centres.
• Ensure all mechanical infrastructure, including HVAC systems, chillers, cooling towers, and fire suppression systems, operates reliably and efficiently.
• Implement and maintain mechanical safety policies, procedures, and best practices.

• Lead, mentor, and develop a team of assistant facilities 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.

• Plan and oversee preventative and corrective maintenance activities, ensuring all mechanical equipment and systems are serviced according to manufacturer and company standards.
• Coordinate with vendors and contractors for mechanical maintenance and upgrade projects, ensuring minimal impact on operations.
• Implement preventive maintenance strategies to minimize downtime.
• Diagnose and resolve mechanical issues promptly.

• Ensure all mechanical operations comply with relevant health, safety, and environmental regulations.
• Maintain up-to-date documentation and records to support compliance audits and certifications.

• Provide technical expertise and support for mechanical systems, including troubleshooting and resolving mechanical issues.
• Collaborate with other engineering and operations teams to ensure integrated and efficient system performance.

• Support the Mechanical Engineering Manager and Critical Services Manager in developing and implementing strategic initiatives to enhance mechanical system performance and support business growth.

• Bachelor’s degree in Mechanical Engineering or a related field.
• Minimum of 3-5 years of experience in mechanical engineering.
• Strong knowledge of data centre mechanical infrastructure, including HVAC, chillers, cooling towers, pumps and compressors.
• Proven experience in managing technical teams and 24/7 operations.
• Excellent problem-solving skills and the ability to manage complex mechanical challenges.
• Good 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.

Day One is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Day One 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.

Day One'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, Day One’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With Day One, 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, Day One'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.