Mechanical Commissioning Manager

g2 Recruitment; Helsinki; On-site; EUR 111,000 - 185,000; Full time

Benefits offered by this job

Accommodation provided

Travel provided

Rotational assignments across Europe

Job summary

g2 Recruitment seeks an experienced Mechanical Commissioning Manager to lead commissioning activities across Norway, Finland & Belgium for hyperscale data centre projects. The role covers L2–L5 testing, ensuring safe, integrated handovers to clients, with rotation patterns and travel provided.

The successful candidate will coordinate contractors, vendors and stakeholders, oversee flushing and pressure tests, and ensure QA/QC and safety compliance. Rotation across Europe is required.

Qualifications

• Proven experience as a Mechanical Commissioning Manager or similar leadership role.
• Strong background in data centres and mission-critical facilities.
• Extensive HVAC and mechanical systems commissioning experience.

Responsibilities

• Lead and manage all mechanical commissioning activities across large-scale data centre projects.
• Coordinate commissioning contractors, vendors, clients, and project stakeholders.
• Oversee flushing, pressure testing, HVAC commissioning, TAB, and integrated systems testing.
• Drive the execution of L2-L5 commissioning activities and ensure progression through milestones.
• Review commissioning procedures, method statements, test scripts, and handover documentation.
• Ensure compliance with QA/QC and Health & Safety requirements.
• Resolve technical issues and coordinate multidisciplinary teams to meet targets.
• Support project handover, client acceptance, and operational readiness activities.

Skills

Mechanical commissioning leadership

HVAC commissioning

Data centre experience

Job description

Mechanical Commissioning Manager - Data Centres (Norway, Finland & Belgium)

Overview

We are seeking experienced Mechanical Commissioning Managers to join multiple hyperscale and mission-critical data centre projects, one per location, entering critical commissioning phases across Norway, Finland, and Belgium.

This role will lead the delivery of mechanical commissioning activities from L2-L3 through to L4-L5 testing, ensuring all systems are safely commissioned, integrated, and handed over to the client. The position offers rotational work patterns (17/4 preferred, 3/1 considered), with accommodation and travel provided.

Responsibilities

• Lead and manage all mechanical commissioning activities across large-scale data centre projects.
• Coordinate commissioning contractors, vendors, clients, and project stakeholders.
• Oversee flushing, pressure testing, HVAC commissioning, TAB, and integrated systems testing.
• Drive the execution of L2-L5 commissioning activities and ensure successful progression through project milestones.
• Review commissioning procedures, method statements, test scripts, and handover documentation.
• Ensure compliance with project QA/QC and Health & Safety requirements.
• Resolve technical issues and coordinate multidisciplinary teams to achieve programme targets.
• Support project handover, client acceptance, and operational readiness activities.

Required Qualifications

• Proven experience as a Mechanical Commissioning Manager, Lead Commissioning Engineer, or similar commissioning leadership role.
• Strong background in data centres, mission-critical facilities, pharmaceutical, semiconductor, or large industrial projects.
• Extensive HVAC commissioning and mechanical systems commissioning experience.
• Demonstrated experience delivering flushing programmes and mechanical system validation.
• Experience managing L2-L3 commissioning with exposure to L4-L5 integrated systems testing.
• Ability to manage commissioning teams, subcontractors, and client-facing relationships.
• Strong understanding of commissioning documentation, QA/QC processes, and project handover requirements.
• Willingness to work rotational assignments across Europe.

What's on Offer

• Competitive day rate, dependent on experience, project scope, and location.
• Accommodation and travel provided.
• Opportunity to work on major hyperscale and mission-critical data centre projects.
• Long-term pipeline of work across Northern and Western Europe.
• Flexible engagement options with both permanent and contract candidates considered.
• Exposure to high-profile commissioning programmes and complex critical infrastructure environments.