Winthrop Technologies

Turnkey data centre construction contractor

Mechanical Commissioning Engineer

Mechanical EngineeringConfirmed live in the last 24 hours

Full-timeHelsinki, FinlandNo salary listedIn-person

About the Job

Requirements

A relevant qualification in Mechanical Engineering, Building Services Engineering, or a recognized Mechanical Trade, with appropriate training and experience is required.
At least 3 years of experience in a similar Mechanical Commissioning Engineer role is required.
Strong commissioning experience on HVAC and mechanical systems in commercial, industrial, or data centre environments is required.
A solid understanding of construction environments and safe systems of work is required.
Strong analytical and problem-solving skills, including the ability to act decisively, are required.
A process-driven mindset with a strong focus on EHS and Quality Management Systems is required.
Excellent communication and interpersonal skills are required.
The ability to maintain positive working relationships with on-site contractors and vendors is required.

Responsibilities

Carry out hands-on mechanical commissioning activities in line with approved commissioning plans and procedures.
Execute mechanical commissioning protocols, including system testing, fault-finding, diagnostics, and functional performance testing.
Ensure HVAC and mechanical services operate in accordance with design intent, specifications, and performance criteria.
Witness and support vendor commissioning activities, ensuring compliance with approved project documentation.
Conduct day-to-day on-site commissioning operations, including system inspections and readiness checks.
Manage and complete the commissioning tagging process in line with project procedures.
Track the receipt, review, and compliance of commissioning documentation to achieve required commissioning-level sign-off.
Support quality management for on-site service and commissioning activities.
Ensure commissioning activities are delivered in line with project schedules and milestones.
Adhere strictly to project Health, Safety, Environmental, and Quality requirements.
Maintain clear communication with commissioning managers, vendors, and other project stakeholders.

Mechanical Commissioning Engineer

Winthrop Technologies · Helsinki, Finland · Full-time · Posted 2026-10-21

Workplace: on_site

Department: Finland

Description

Winthrop Technologies is Europe’s only dedicated data centre delivery partner, offering full turnkey solutions from design through to construction and commissioning. Headquartered in Dublin, we deliver projects across Europe and have become the most trusted name in our sector.

We are pleased to announce that we are currently seeking a Mechanical Commissioning (Cx) Engineer to join our team and support the delivery of large-scale, mission-critical projects. Reporting to the Cx Manager.

Responsibilities:

Carry out hands-on mechanical commissioning activities in line with approved commissioning plans and procedures.
Execute mechanical commissioning protocols including system testing, fault-finding, diagnostics, and functional performance testing.
Ensure HVAC and mechanical services operate in accordance with design intent, specifications, and performance criteria.
Witness and support vendor commissioning activities, ensuring compliance with approved project documentation.
Conduct day-to-day on-site commissioning operations, including system inspections and readiness checks.
Manage and complete the commissioning tagging process in line with project procedures.
Track the receipt, review, and compliance of commissioning documentation to achieve required Cx level sign-off.
Support quality management for on-site service and commissioning activities.
Ensure commissioning activities are delivered in line with project schedules and milestones.
Adhere strictly to project Health, Safety, Environmental, and Quality (HSEQ) requirements at all times.
Maintain clear communication with commissioning managers, vendors, and other project stakeholders.

Requirements

Relevant qualification in Mechanical Engineering, Building Services Engineering, or a recognised Mechanical Trade with appropriate training and experience.
Minimum 3 years’ experience in a similar Mechanical Commissioning Engineer role.
Strong commissioning experience on HVAC and mechanical systems within commercial, industrial, or data centre environments.
Solid understanding of construction environments and safe systems of work.
Strong analytical and problem-solving skills, with the ability to act decisively.
Process-driven mindset with a strong focus on EHS and Quality Management Systems.
Excellent communication and interpersonal skills.
Proven ability to maintain positive working relationships with contractors and vendors on site.

Benefits

Work on Europe’s largest and most advanced data centre developments.
Be part of a rapidly growing organisation at the forefront of the digital infrastructure sector.
Excellent opportunities for career progression and professional development.
Competitive salary and comprehensive benefits package.
Collaborative, supportive, and high-performance team environment.
Opportunity to contribute to landmark projects shaping the future of digital infrastructure across Europe.

Winthrop Technologies Ltd. are an equal opportunities employer

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About the Company

Winthrop Technologies

Turnkey data centre construction contractor

Winthrop Technologies is a European turnkey data centre construction partner that acts as a general contractor, delivering end-to-end projects from design to commissioning for hyperscale and colocation clients. It uses BIM and off-site fabrication to speed up delivery and improve quality, reducing on-site contractor complexity by handling civil, structural, architectural, mechanical, electrical, and commissioning services. The company stands out through its engineer-led approach and early adoption of modular/off-site construction across eight European countries, focusing on rapid delivery of mission-critical facilities. Its goal is to grow a scalable European data centre delivery platform to meet rising AI and cloud demand while maintaining continuity through leadership and strong client relationships.

Company size: 1,001-5,000
Company stage: Acquired
Total funding: Not listed
Headquarters: Dublin, Ireland
Founded: 1995

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