Commissioning Engineer (Mechanical)

CTS Nordics OY; Seinäjoki; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Lunch benefit

Job summary

CTS Nordics OY in Seinäjoki seeks an experienced mechanical commissioning professional to coordinate site wide commissioning on a major data centre project. You will drive readiness from design through testing, collaborating with contractors, vendors and client teams to ensure complete Level 0–5 commissioning and turnover documentation.

The role emphasizes planning, QA/QC, RAMS, and integration with the BMS and other disciplines, with a focus on delivering verified, reliable systems and a smooth

Qualifications

• 5+ years commissioning experience on large industrial, mission-critical or data centre projects.
• Strong ability to plan, manage and execute full integrated systems testing.
• Knowledge of Finnish and European building regulations, standards and commissioning practices.
• Strong organization, prioritization and meeting deadlines on budgets.
• Excellent communication and reporting with clients, contractors and project team.
• Ability to coordinate contractors, vendors and multidisciplinary interfaces while maintaining collaboration.

Responsibilities

• Develop commissioning activities within the project programme.
• Review design and report commissioning risks, scope gaps and impacts.
• Coordinate readiness reviews before start-up and testing.
• Attend meetings and provide commissioning input across disciplines.
• Review submittals, RAMS, test packs and QA/QC inspections.
• Manage commissioning records, approvals and reporting in project platforms.
• Witness field testing and coordinate with vendors during Level 0–5.
• Prepare turnover packs and support integrated systems testing and handover.

Skills

Commissioning planning

Project coordination

Communication

Documentation

Scheduling

Education

Mechanical/Building Services qualification

Tools

SharePoint

EIDA

Job description

We are looking for an experienced mechanical commissioning professional to coordinate mechanical and integrated commissioning on a major data centre project in Seinäjoki. You will support delivery from design and construction readiness through testing and final handover, coordinating with contractors, vendors, the project team and client to ensure mechanical systems are fully tested and all Level 0–5 commissioning and turnover documentation is complete.

Key Responsibilities

Planning, Design & Coordination

• Develop commissioning activities within the project programme, aligned with stakeholder and contract requirements.
• Review the issued-for-construction design and report commissioning risks, opportunities, scope gaps and programme impacts.
• Coordinate mechanical readiness reviews before start-up and testing, confirming completion, QA/QC records, RAMS, permits, access, isolations, controls, temporary requirements and vendor attendance.
• Provide commissioning input at coordination, design, integration, discipline, OFCI and CFCI meetings.

Technical Reviews & Commissioning Controls

• Review and comment on technical submittals, RFIs, vendor test scripts, commissioning RAMS and related commissioning documentation.
• Review contractor and vendor test packs against the design, employers requirements, approved submissions and applicable standards.
• Attend factory tests and complete site or vendor QA/QC inspections against approved requirements.
• Manage commissioning records, evidence, approvals and reporting in SharePoint, EIDA and project platforms.

Testing, Integration & Performance Verification

• Witness field testing and commissioning activities, record results and report defects, deviations and incomplete works.
• Coordinate CFCI and OFCI vendors and track commissioning progress from Level 0 to Level 5.
• Coordinate with the integration team to capture programme crossovers, dependencies, deliverables and beneficial-use areas.
• Analyze functional performance logs and monitoring data with the BMS contractor and other specialists to verify system performance.

Management, Reporting & Quality

• Provide discipline updates at weekly commissioning meetings and close assigned actions promptly.
• Monitor construction progress with the mechanical, electrical and CSA discipline leads to identify scope gaps, missed opportunities and risks arising from programme variance.
• Maintain a daily commissioning diary and issue a concise weekly report in the agreed project format.
• Review mechanical commissioning certification and submit traceable evidence for authorized approval.

Turnover & Handover

• Coordinate mechanical turnover packs at each commissioning level, verify supporting evidence, and prepare EIDA forms for authorized approval.
• Support integrated systems testing, client witnessing, demonstrations, operator training and final transition to operations.

Commissioning Scope

• Mechanical plant and systems, including chillers, cooling towers or dry coolers, pumps, heat exchangers, ventilation systems, fuel systems where applicable, water-treatment systems, drainage and associated controls.
• BMS interfaces, control sequences, alarms, trends, functional performance testing and integrated operation.
• Mechanical interfaces with electrical systems, fire alarm, life-safety systems, utilities and specialist vendor packages.
• Factory and site testing, flushing, pressure and leak testing, balancing, start-up, functional, failure-mode and integrated systems testing.
• Digital commissioning records, tagging, test packs, certification, turnover dossiers and final handover evidence.

Qualifications & Experience

• Mechanical, Building Services or related qualification, with 5+ years commissioning experience on large industrial, mission-critical or data centre projects.
• Proven ability to plan, manage and execute full integrated systems testing, including development and completion of IST documentation on a digital platform.
• Thorough understanding of Finnish and European building regulations, standards, codes, commissioning practices and mechanical system integration requirements.
• Strong organization and prioritization skills, with a record of meeting deadlines and budgets.
• Strong communication and reporting skills with clients, contractors, vendors and project management.
• Demonstrated ability to coordinate contractors, vendors and multidisciplinary interfaces while maintaining collaborative working relationships.

What We Offer

You’ll play an important role in commissioning the mechanical systems of a major data centre project in Seinäjoki, working closely with contractors, vendors, and multidisciplinary project teams to ensure systems are tested, verified, and ready for operation. From design reviews and construction readiness through functional testing, integrated systems testing, and final handover, youll help coordinate activities, resolve technical issues, and ensure commissioning documentation is complete and traceable. We offer competitive compensation, a lunch benefit, and the opportunity to develop your expertise in a dynamic, international project environment.

Employment relationship: Employment

Wage: Other

Working time: Daytime work, Weekdays, Weekends

Number of positions: 1

Source: Job Market Finland/Työmarkkinatori

Osaamisalue: Tutkimus, kehitys & tuotekehitys