Join DayOne – Shaping the Future of Data Infrastructure
DayOne 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 DayOne’s next chapter.
Reporting to the Critical Services Manager and the Building Services Manager on a rotational basis, the Assistant Facilities Engineer will gain comprehensive exposure to the full range of data centre operations and maintenance management. This role serves as the entry point to a long-term career in the data centre industry.
The Assistant Facilities Engineer will support the Critical Services and Building Services teams responsible for the continuous and efficient operation of mechanical, electrical, fire, and building services systems, upholding high standards of safety and compliance.
The successful candidate will assist in leading a team of shift engineers and technicians, ensuring the delivery of critical mechanical services 24/7. The candidate will be placed under a training programme to develop a well-rounded understanding of all operational aspects.
RESPONSIBILITIES
Critical System Management:
Team Leadership:
Maintenance and Upgrades:
Safety and Compliance:
Technical Support:
Strategic Initiatives:
CANDIDATE REQUIREMENTS:
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.