Commissioning Manager

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.

We are seeking an accomplished Commissioning Manager to lead and oversee the commissioning function across one or more complex data center construction projects. This role requires deep technical expertise, leadership across cross-functional teams, and a strong focus on quality, risk management, and client satisfaction. The successful candidate will ensure the successful delivery of mission-critical infrastructure, from pre-design through integrated systems testing and handover.

• Lead the commissioning strategy and execution for multiple concurrent or large-scale data center projects.

• Define and standardize commissioning processes, tools, and best practices across the project portfolio.

• Act as the senior technical authority for all commissioning activities.

• Oversee commissioning teams, third-party agents, OEMs, and contractors during commissioning lifecycle.

• Provide governance, review, and sign-off on commissioning plans, schedules, and protocols.

• Interface with clients, consultants, and internal stakeholders at senior levels, ensuring expectations are aligned and met.

• Manage and mentor a team of Commissioning Managers, Engineers, and Technicians.

• Plan and allocate resources efficiently across multiple project sites.

• Support hiring, training, and performance management of commissioning personnel.

• Establish KPIs and ensure delivery meets or exceeds design intent, performance, and uptime requirements.

• Lead risk reviews and ensure mitigation plans are in place for high-impact systems or stages (e.g., IST).

• Ensure full compliance with codes, standards, and client-specific requirements (ASHRAE, Uptime Tier Guidelines, LEED, ISO, etc.)

• Lead the execution and review of:

  • Factory Acceptance Testing (FAT)

  • Site Acceptance Testing (SAT)

  • Integrated Systems Testing (IST)

• Oversee final documentation, commissioning reports, redlines, and turnover packages.

• Ensure successful handover to operations teams and facilitate knowledge transfer sessions.

• Bachelor's or Master’s Degree in Mechanical, Electrical, or related Engineering discipline.

• Certified Commissioning Professional (CCP) – BCA

• Commissioning Process Management Professional (CPMP) – ASHRAE

• Project Management Professional (PMP) – PMI

• Uptime Institute Accredited Tier Designer or Specialist

• LEED AP or equivalent is a plus

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.