Senior Commissioning Manager — Data Center Infra

DayOne; Malaysia; On-site; MYR 180,000 - 280,000; Full time

Job summary

DayOne in Malaysia seeks a Commissioning Manager to plan, coordinate, and execute commissioning for mission-critical data center projects. You will ensure systems are designed, installed, tested, and operated to meet uptime and efficiency targets.

You will lead cross-functional teams, develop plans, review designs, perform IST, and mentor operations staff during handover, while managing budgets and timelines in a fast-growing data center business.

Qualifications

• 8–15+ years of experience in mission-critical facilities or data centers.
• Proven track record delivering commissioning for Tier III/IV data centers.
• Strong knowledge of electrical distribution, cooling, and control systems.

Responsibilities

• Lead commissioning lifecycle from design review to handover and post-occupancy support.
• Develop commissioning plans, procedures, and schedules.
• Coordinate with design consultants, contractors, vendors and clients.
• Oversee pre-functional and functional testing of electrical, mechanical, and BMS/DCIM systems.
• Ensure compliance with ASHRAE and Uptime Institute guidelines.
• Prepare commissioning documentation, reports, and checklists.

Skills

Leadership

Project management

Problem-solving

Stakeholder management

Documentation

Education

Bachelor’s degree in Mechanical, Electrical, or related Engineering field

Tools

Electrical distribution systems

Cooling systems

Control systems

Job description

DayOne in Malaysia seeks a Commissioning Manager to plan, coordinate, and execute commissioning for mission-critical data center projects. You will ensure systems are designed, installed, tested, and operated to meet uptime and efficiency targets.

You will lead cross-functional teams, develop plans, review designs, perform IST, and mentor operations staff during handover, while managing budgets and timelines in a fast-growing data center business.