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
Only candidates based in UK and eligible to work in UK are allowed