Senior Commissioning Manager

DayOne; Johor; On-site; MYR 120,000 - 180,000; Full time

Job summary

A global data infrastructure leader in Malaysia is seeking a Commissioning Senior Manager to lead commissioning efforts across multiple data center projects. The role involves strategic leadership, project oversight, and team management, focusing on quality and compliance in a dynamic environment. The ideal candidate has extensive experience in commissioning and proven leadership skills in data center delivery.

Qualifications

• 10–15+ years of relevant experience in commissioning/data center delivery.
• 5+ years in a leadership or multi-project management role.
• Proven track record of leading large-scale commissioning efforts for hyperscale or enterprise data centers.

Responsibilities

• Lead the commissioning strategy and execution for multiple large-scale data center projects.
• Oversee commissioning teams and ensure expectations are aligned.
• Manage and mentor a team of Commissioning Managers, Engineers, and Technicians.

Skills

Leadership

Risk Management

Client Satisfaction

Technical Expertise

Education

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

Tools

HVAC Controls

Controls Systems

Job description

Overview

Join DayOne – Shaping the Future of Data Infrastructure. DayOne is a global leader in the development and operation of high-performance data centers with a strong presence across Asia and Europe. As we expand into new international markets, we are seeking talented individuals to join our growth journey. This is an excellent opportunity to become a key member of 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 an accomplished Commissioning Senior 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 delivery of mission-critical infrastructure from pre-design through integrated systems testing and handover.

Key Responsibilities

• Strategic Leadership
  • 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.
• Project Oversight
  • 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.
• Team & Resource Management
  • 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.
• Quality, Risk, & Compliance
  • 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.).
• Testing & Turnover
  • 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.
• Core Systems Overseen
  • Electrical: UPS systems, MV/LV Switchgear, Generators, PDUs, ATS/STS, Busways
  • Mechanical: Chillers, CRAHs, Cooling Towers, Pumps, HVAC Controls
  • Controls: BMS, EPMS, SCADA, Fire Detection & Suppression Systems
  • Other Critical Systems: Life safety, structured cabling infrastructure

Qualifications

Education:

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

Experience

• 10–15+ years of relevant experience in commissioning/data center delivery.
• 5+ years in a leadership or multi-project management role.
• Proven track record of leading large-scale commissioning efforts for hyperscale or enterprise data centers.

Certifications (Preferred)

• 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.