Job Description

This Role

This role is based in Tokyo, Japan, leading commissioning across RHAELM's Japan data centre programme.

As Senior Commissioning Manager, you will own the commissioning strategy and execution across RHAELM's data centre projects, ensuring every critical system is tested, verified, and proven fit for live operation before handover.

You will lead commissioning through Levels 1-5, coordinating multi-disciplinary teams and vendors to deliver Integrated Systems Testing that stands up to the demands of Tier III/IV mission-critical infrastructure.

Key Responsibilities

Develop and manage the commissioning plan aligned to Uptime Institute Tier III/IV requirements
Oversee commissioning of all critical systems, including HV/LV electrical, cooling, BMS, fire protection, security, and ICT
Coordinate Integrated Systems Testing (IST) and verify redundancy and failover across all