Mech Cx Engineer - Helsinki

Carbon 60, Inc.; Helsinki; On-site; EUR 111,000 - 166,000; Part time

Job summary

Carbon 60, Inc. is seeking a Mechanical Commissioning Engineer for a Data Centre project in Finland. The role is freelance and site-based, lasting approximately six months with potential extension, starting ASAP.

A day rate is offered, dependent on experience, and EU passport is required. You will lead commissioning across HVAC, hydronic systems, smoke control, and BAS/BMS, perform functional testing and documentation, and coordinate with the Commissioning Manager to ensure smooth handover to

Qualifications

• Experience in mechanical commissioning on commercial, industrial, or mission-critical projects.
• Data centre commissioning experience is essential; prior experience on hyperscale data centre programmes is strongly preferred.
• Strong knowledge of HVAC systems, ductwork, VAVs, hydronics, and BMS.
• Ability to interpret mechanical drawings and specifications.
• Excellent problem-solving skills and strong safety awareness on site.

Responsibilities

• Carry out commissioning activities across mechanical systems (HVAC, hydronic, smoke control, BAS/BMS).
• Perform functional testing, calibration, and performance verification against design and operational standards.
• Identify and troubleshoot issues on-site, coordinating with engineers and contractors to resolve them promptly.
• Maintain accurate test records and commissioning documentation for reports and handover.
• Collaborate with the Commissioning Manager and project team, providing progress updates.

Skills

HVAC systems

Ductwork

VAVs

Hydronics

BMS / BAS

Mechanical drawings

Problem solving

Safety awareness

Communication

On-site commissioning

Job description

Mechanical Commissioning Engineer Data Centre Project - Finland

Contract type: Freelance/self-employed contractor- site-based Duration: Approx. 6 months (with potential to extend, subject to project progress) Rotation: 17/4 rotation Start date: ASAP Rate: Day rate, dependent on experience Right to work: EU passport required

What You'll Be Doing

• Commissioning Execution: Carry out commissioning activities across mechanical systems including HVAC, hydronic systems, smoke control, and building automation (BAS/BMS), working within the L1-L5 ASHRAE Commissioning framework as per data centre industry standards.
• System Validation: Perform functional testing, calibration, and performance verification of mechanical installations against design and operational standards, under the direction of the Commissioning Manager.
• Troubleshooting & Resolution: Identify issues arising during commissioning and work with engineers and contractors on-site to resolve them in a timely manner.
• Documentation: Maintain accurate test records and commissioning documentation, feeding into reports and supporting handover to the client.
• Team Collaboration: Work closely with the Commissioning Manager and wider project team, providing technical input and progress updates as required.

What You'll Bring

• Experience: Proven experience in mechanical commissioning on commercial, industrial, or mission-critical projects.
• Sector Background: Data centre commissioning experience is essential; prior experience on Microsoft (or other hyperscale) data centre programmes is strongly preferred.
• Technical Knowledge: Strong knowledge of HVAC systems, ductwork, VAVs, hydronics, and BMS.
• Drawings: Ability to interpret mechanical drawings and specifications.
• Problem-Solving: Excellent problem-solving skills and close attention to detail.
• Safety: A strong emphasis on safety throughout all site activities.
• Communication: Confident communicator, able to work independently as part of a wider on-site commissioning team.
• Availability: Available to start ASAP and commit to a 17/4 rotation for the duration of the project.
• Right to Work: EU passport required for this role.