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.
Role Objective:
Drive the evolution of modular cooling solutions. This role is for a product enthusiast who specializes in standardized mechanical architectures. You will lead the transition from traditional site-built cooling to high-efficiency modular cooling skids and liquid cooling interfaces, tailored for the world's most demanding data center operators.
Key Responsibilities:
Modular Cooling Development: Design and productize modular AHUs, Chiller plants, and CDUs that allow for "plug-and-play" installation in high-density environments.
Trend Integration: Anticipate the industry’s shift toward liquid cooling and hybrid architectures, ensuring modules are flexible enough to accommodate both Air and Liquid heat rejection.
Stakeholder Alignment: Coordinate technical requirements between major end-users (hyperscalers) and equipment vendors to ensure product-market fit.
Project Oversight: Ensure that modular products are designed with field-delivery in mind, reducing on-site labor and commissioning time.
Qualifications
Experience:~10 years in HVAC design/product planning with specific expertise in modular cooling systems.
Systems Expertise: Comprehensive knowledge of data center thermal management, including PUE optimization and high-density liquid cooling. Market Sensitivity: Acute awareness of global industry standards (OCP, ASHRAE) and regional regulatory requirements in different places.
Leadership: Strong interpersonal skills with the ability to manage cross-functional technical teams.
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.
Skills Required
- Approximately 10 years in HVAC design or product planning with expertise in modular cooling systems
- Comprehensive knowledge of data center thermal management, including PUE optimization and high-density liquid cooling
- Familiarity with global industry standards and regulations (OCP, ASHRAE) and regional regulatory requirements
- Strong leadership and interpersonal skills to manage cross-functional technical teams
What We Do
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.







