Mechanical Commissioning Engineer

g2 Recruitment; Helsinki; On-site; EUR 78,000 - 112,000; Full time

Job summary

g2 Recruitment is seeking an experienced Mechanical Commissioning Engineer (L3 CX Engineer) to join a major hyperscale data centre project in Helsinki. You will own a package of mechanical works and coordinate with the GC's Commissioning Manager to drive safe, timely turnover.

The role involves leading commissioning activities, witnessing tests, reviewing documentation, and working with construction, client and vendor teams on site. EU right to work is required.

Qualifications

• Experience as Mechanical Commissioning Engineer on large-scale data centre projects.
• Experience acting as L3 Commissioning Engineer or similar leadership role.
• Strong knowledge of HVAC, chilled water, CRAH/CRAC units, cooling towers and pumps.
• Experience reviewing commissioning docs, test scripts and turnover packages.
• EU right to work is required.

Responsibilities

• Act as L3 Commissioning Engineer for a designated mechanical package.
• Coordinate commissioning activities by vendors and subcontractors.
• Witness testing: pre-functional, functional and integrated tests.
• Review commissioning docs to meet project requirements.
• Attend daily commissioning meetings and report on packages.
• Ensure activities meet project procedures, quality standards and safety.
• Collaborate with construction, commissioning, client and vendor teams on site.
• Report to the GC Commissioning Manager on site.

Skills

Mechanical commissioning

HVAC

Vendor management

Test witnessing

Documentation review

Job description

Job Role: Mechanical Commissioning Engineer

Location: Helsinki, Finland

Shift Pattern: 07:00 AM - 04:00 PM (Site-Based)

Overview

I am seeking an experienced Mechanical Commissioning Engineer (L3 CX Engineer) to join a major hyperscale data centre project in Helsinki. This is an excellent opportunity to work on a large-scale mission-critical facility.

The successful candidate will take ownership of a package of mechanical works and work closely with the General Contractor's Commissioning Manager to ensure systems are safely and successfully commissioned in line with project milestones and turnover requirements.

Key Responsibilities

• Act as an L3 Commissioning Engineer responsible for a designated package of mechanical systems.
• Manage and coordinate commissioning activities undertaken by vendors and subcontractors.
• Witness and verify testing activities, including pre-functional, functional, and integrated systems testing.
• Review, track, and expedite commissioning documentation to ensure GT requirements are achieved.
• Attend daily commissioning meetings and provide updates on assigned packages.
• Ensure commissioning activities are completed in accordance with project procedures, quality standards, and safety requirements.
• Work closely with construction, commissioning, client, and vendor teams throughout the commissioning process.
• Report directly to the GC Commissioning Manager on site.

Requirements

• EU Right to work
• Proven experience as a Mechanical Commissioning Engineer on large-scale data centre projects.
• Previous experience acting in an L3 Commissioning Engineer or similar commissioning leadership role.
• Strong understanding of mechanical systems including:
• HVAC
• Chilled Water Systems
• CRAH/CRAC Units
• Cooling Towers
• Pumps
• Mechanical Plant Equipment
• BMS Integration
• Experience managing vendors and witnessing commissioning activities.
• Ability to review commissioning documentation, test scripts, commissioning records, and turnover packages.

What's on Offer

• 6-month contract with potential extension.
• Opportunity to work on a leading hyperscale data centre development.

If you are an experienced Mechanical Commissioning Engineer with hyperscale data centre experience and are available for a project in Helsinki,