Commissioning Engineer

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.

Job Summary

We are seeking a Commissioning Engineer with expertise in data center construction to oversee and execute the commissioning process of critical infrastructure systems. The ideal candidate will play a key role in ensuring the mechanical, electrical, plumbing, and life safety systems function according to design specifications and meet the performance standards required for hyperscale or enterprise-level data centers.

Key Responsibilities

• Commissioning Execution:Plan, coordinate, and execute the commissioning of electrical, mechanical, BMS, and other critical systems.
• Review design documents, submittals, and specifications to ensure compliance with project requirements.
• Lead and document functional performance tests, integrated systems testing, and acceptance criteria.

Project Coordination:

• Collaborate with construction teams, vendors, and subcontractors to ensure systems are installed and commissioned on schedule.
• Attend project meetings and interface with stakeholders including design engineers, construction managers, and client representatives.

Documentation \& Reporting:

• Prepare commissioning plans, scripts, and test procedures in accordance with industry standards (ASHRAE, Uptime Institute, etc.).
• Generate detailed commissioning reports, punch lists, and close-out documents.
• Maintain accurate logs of all commissioning activities and issues for resolution.

Quality \& Compliance:

• Ensure compliance with local codes, safety standards, and company policies.
• Identify and mitigate risks during the commissioning process.

Systems Expertise (Examples):

• Electrical: UPS, switchgear, transformers, generators, PDUs.
• Mechanical: CRAC/CRAH units, chillers, cooling towers, pumps, HVAC controls.
• Controls: BMS, EPMS, SCADA systems.

Qualifications

• Education:

Bachelor’s degree in Electrical, Mechanical, or relevant Engineering discipline. (Relevant certifications or trade qualifications considered for candidates with significant experience.)

• Experience:3–7 years of commissioning experience in data center or mission-critical environments.
• Familiarity with commissioning standards and best practices (ASHRAE, Uptime Institute Tier Guidelines, LEED, etc.)

**Certifications…