Commissioning Manager

• 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.

Job Description

Maintain the role of a Commissioning Manager, representing DayOne for projects. Handles the provision of monthly and close out project reports to PDs and Project Managers.

Technically responsible for delivery of service in accordance with DayOne and Client expectations Manage compilation of technical reports and submission of status report, including progress update Commissioning appraisal of design / shop drawing, specification and documents Undertake progressive site inspections to identify commissioning related concerns Witness and review contractor's testing and commissioning results and confirm compliance Ensure works are carried out aligned with the Company procedures / industry codes Oversee and review the works and deliverables produced by sub-ordinates.

Assist in the development and implementation of the global commissioning program to meet the regional requirements while maintaining consistent quality and compliance across data centre projects. Develop and implement comprehensive commissioning strategies and methodologies aligned with industry best practices and company standards.

Lead the commissioning program across multiple data centre projects within the region, coordinating activities between construction teams, vendors, and operations personnel. Create and manage detailed commissioning schedules, ensuring integration with the overall project timeline.

Oversee testing and validation of critical systems including power distribution, cooling, fire protection, security, and IT infrastructure. Review and approve commissioning plans, test scripts, and completion documentation. Identify and mitigate risks to successful commissioning completion and facility handover. Manage commissioning resources, including internal teams and third-party vendors.

Establish quality control processes to verify all systems meet basis of design and operational requirements. Drive continuous improvement of commissioning practices and procedures.

REQUIREMENTS

• AND SKILLS
• At least 12 years' solid DC experience in MEP systems, building services coordination and/or testing & commissioning process which at least 3 years should be at managerial level
• Familiar with key international hyperscaler T&C requirements and expectations
• Degree or above in Mechanical / Electrical / Building Services Engineering or related discipline in engineering
• Good understanding of the testing & commissioning process, site installation and project management of MEP and building services field
• Hands-on knowledge of PC applications such as MS Office, MS Project, AutoCAD, Revit
• Good command of written and spoken English and Chinese (Cantonese and Mandarin)
• Reliable and proactive working attitude
• Self-motivated with good initiatives as a team leader
• Good communication / interpersonal and negotiation skills to handle all stakeholders
• Candidates with lesser experience will be considered as a Commissioning Engineer 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!