MECHANICAL COMMISSIONING MANAGER
MECHANICAL COMMISSIONING MANAGER
Location: London – Liverpool Street / Hybrid
Salary: Up to £110,000 basic
Bonus: 20%
Benefits: Pension, Healthcare, Travel & Company Benefits
Travel: International travel required – no fixed rotation
Sector: Data Centres / Mission Critical
We are currently recruiting for a Commissioning Manager – Mechanical Bias to join a major Data Centre Developer / Operator within its Global Technical Operations team.
This is a central, multi-site commissioning position supporting data centre projects from design and pre-construction through construction, commissioning, handover and live operations.
The role will have responsibility for commissioning strategy, technical governance, programme delivery, design assurance, contractor/vendor management, testing, acceptance and operational readiness across a growing data centre portfolio.
THE ROLE
* Lead commissioning strategy, standards and governance across multiple data centre projects.
* Manage integrated commissioning programmes from design review through to handover.
* Provide technical oversight across mechanical building services and critical infrastructure.
* Lead commissioning input during pre-construction, tender and design stages.
* Review designs from a commissionability, maintainability and operational-readiness perspective.
* Manage and coordinate CxA, commissioning contractors, vendors and specialist commissioning teams.
* Lead and witness FAT, SAT and IST activities.
* Oversee L1–L5 commissioning and L6 checklists.
* Manage commissioning documentation, test scripts, test records and commissioning dossiers.
* Drive defect, snag and punch-list close-out through to client acceptance.
* Work closely with Construction, Design, Project Management, Commercial and Operations teams.
* Support live data centre commissioning and asset lifecycle works.
* Ensure operational readiness, O&M documentation and training requirements are completed.
* Drive continuous improvement, lessons learned and standardisation of commissioning processes.
* Provide technical input into resilience, availability and fault-tolerance initiatives.
EXPERIENCE REQUIRED
We are looking for someone with:
* Significant Data Centre Commissioning experience.
* Strong Mechanical Building Services / MEP background.
* Experience across Colocation and Hyperscale Data Centres.
* Strong knowledge of commissioning processes from pre-construction through handover.
* Proven L1–L5 Commissioning / L6 experience.
* Strong FAT, SAT and IST experience.
* Experience managing CxA, contractors and vendors.
* Experience reviewing data centre designs from a commissionability perspective.
* Strong understanding of ASHRAE and relevant international design standards.
* Experience with BMS / Controls and critical mechanical systems.
* Experience with commissioning programmes, ITPs, test documentation and handover.
* Experience working within a matrix organisation.
* Strong stakeholder management and communication skills.
* Willingness to undertake international travel.
* Full driving licence