Commissioning Manager

Optimus Search Limited; Amsterdam; On-site; EUR 120,000 - 185,000; Full time

Job summary

Optimus Search Limited in Amsterdam is seeking a Freelance Commissioning Manager to lead mechanical and electrical commissioning for a hyperscale data centre project. The role requires coordinating commissioning contractors, managing testing milestones and ensuring critical systems are commissioned and handed over to the client.

The successful candidate will oversee Level 1-5 commissioning, manage BMS/EPMS testing, and ensure a smooth transition from construction completion to pre-commissioning

Qualifications

• Minimum 8+ years' experience in mechanical, electrical or MEP commissioning.
• Proven experience leading commissioning on hyperscale data centre projects.
• Strong knowledge of critical power and cooling infrastructure.
• Experience delivering Level 3-5 commissioning and integrated systems testing.
• Ability to manage multiple commissioning subcontractors and specialist vendors.
• Excellent leadership and stakeholder management skills.

Responsibilities

• Develop and manage the commissioning execution plan across all mechanical and electrical packages.
• Lead Level 1-5 commissioning activities, coordinating contractors, vendors and commissioning engineers.
• Manage commissioning of critical electrical systems, including MV/LV distribution, UPS systems, generators and transformers.
• Oversee mechanical commissioning activities covering chillers, cooling systems, CRAH units, pumps and related infrastructure.
• Coordinate BMS and EPMS testing, control sequences and system integration.
• Manage the transition from construction completion to pre-commissioning, functional testing and integrated systems testing.
• Lead commissioning coordination meetings and monitor progress against the programme.
• Identify commissioning risks, technical issues and schedule delays with mitigation strategies.
• Oversee Level 4 functional performance testing and Level 5 integrated systems testing.
• Coordinate system acceptance, defect closure and final handover documentation.

Skills

Commissioning leadership

Hyperscale data centers

Electrical & mechanical commissioning

Testing & handover

Stakeholder management

Job description

Freelance Commissioning Manager - Data Centre

Location: Amsterdam, Netherlands (On-site)

Contract: Freelance | Long-term

Start Date: ASAP / Flexible

The Opportunity

We are looking for an experienced Commissioning Manager to lead mechanical and electrical commissioning activities on a hyperscale data centre construction project in Amsterdam.

The successful candidate will be responsible for coordinating commissioning contractors, managing testing milestones and ensuring critical systems are successfully commissioned and handed over to the client.

The role requires a strong understanding of data centre commissioning procedures, particularly the transition from construction completion through to integrated systems testing and operational readiness.

Key Responsibilities

• Develop and manage the commissioning execution plan across all mechanical and electrical packages.
• Lead Level 1-5 commissioning activities, coordinating contractors, vendors and commissioning engineers.
• Manage commissioning of critical electrical systems, including MV/LV distribution, UPS systems, generators and transformers.
• Oversee mechanical commissioning activities covering chillers, cooling systems, CRAH units, pumps and associated infrastructure.
• Coordinate BMS and EPMS testing, control sequences and system integration.
• Manage the transition from construction completion to pre-commissioning, functional testing and integrated systems testing.
• Lead commissioning coordination meetings and monitor progress against the commissioning programme.
• Identify commissioning risks, technical issues and schedule delays, implementing mitigation strategies.
• Oversee Level 4 functional performance testing and Level 5 integrated systems testing.
• Coordinate system acceptance, defect closure and final handover documentation.
• Work closely with construction managers, MEP contractors, commissioning authorities and client representatives.

Requirements

• Minimum 8+ years' experience in mechanical, electrical or MEP commissioning.
• Proven experience managing commissioning activities on hyperscale data centre projects.
• Strong understanding of critical power and cooling infrastructure.
• Experience delivering Level 3-5 commissioning and integrated systems testing.
• Ability to manage multiple commissioning subcontractors and specialist vendors.
• Strong knowledge of commissioning documentation, testing procedures and system handover requirements.
• Excellent leadership and stakeholder management skills.
• English essential; Dutch advantageous.