Mechanical Engineer

We are looking for a site-based Mechanical Engineer to support the Mechanical Package Managers, Design Managers and site team on a major data centre project in Seinäjoki. You will provide practical support across design, construction, quality, commissioning and handover. Key Responsibilities Site Engineering & Delivery Support Support look-ahead planning, design coordination, sequencing, access, logistics and work-area readiness. Monitor subcontractor and vendor activities, confirm work follows approved information, and raise technical, quality or programme concerns. Help resolve RFIs, technical queries, non-conformities and site issues with the design, construction and commissioning teams. Design, Procurement & Technical Assurance Review drawings, specifications and calculations for scope, constructability, maintainability, access and coordination. Review submittals, shop drawings, equipment schedules, P&IDs, hydraulic calculations and installation proposals for approval by the relevant lead. Support procurement reviews, material approvals, vendor coordination and equipment delivery readiness. Check that materials and equipment are received, stored, protected and handled correctly. Keep clear records of design changes, field instructions, deviations and scope clarifications. Construction, Interfaces & Reporting Coordinate interfaces with Electrical, CSA, BMS, Fire Protection, ICT/ELV, Logistics, Design, Procurement, Commissioning and Operations teams. Track progress, inspections, constraints, defects and close-out actions, and provide clear updates. Join coordination meetings, site walk-downs and clash reviews to maintain safe, workable construction areas. Mechanical Systems Support installation and inspection of cooling plant, chilled- and condenser-water systems, AHUs, CRAH/CRAC units, CDUs, pumps, heat exchangers, pipework, water treatment, ventilation, plumbing, drainage, fire-protection interfaces and BMS controls. Check that resilient mechanical distribution, controls, alarms and failover arrangements follow the approved design and sequence of operations. Safety, Quality & Compliance Support safe working and compliance with permits, approved designs, project standards, Finnish regulations and client requirements. Review method statements, risk assessments and inspection plans, and support inspections, non-conformance follow-up and punch-list closure. Testing, Commissioning & Handover Support mechanical completion, walk-downs, FAT/SAT, pressure testing, flushing, water treatment, TAB, start-up, functional testing and IST. Coordinate, collect and check subcontractor handover documents, including as-built drawings, O&M manuals, test records, certificates, asset data, training records, warranties and snag-closure evidence. Qualifications & Experience Degree in Mechanical Engineering, Building Services Engineering or a related field; an equivalent technical or trade qualification with relevant experience may also be considered. At least 6 years’ experience delivering mechanical systems on major construction projects, with strong site experience. Experience supporting mechanical works from design coordination through installation, commissioning and handover. Strong knowledge of HVAC, cooling plant, chilled-water systems, pumps, heat exchangers, pipework, ventilation, water treatment, drainage and controls. Confident reviewing drawings, specifications, P&IDs, schedules, submittals, vendor information and BIM outputs. Working knowledge of QA/QC records, work packs, completions systems, procurement and change control. Strong organisation, communication and problem-solving skills, with clear written and spoken English. Desirable Criteria Data centre, mission-critical, pharmaceutical or advanced-technology project experience. Experience with digital construction, QA/QC or commissioning platforms, functional testing, IST and operational handover. What We Offer You’ll have a hands-on role in delivering the mechanical systems of a major data centre project in Seinäjoki, working closely with Mechanical Package Managers and the wider international project team. From design coordination and site installation through quality assurance, testing, commissioning, and handover, you’ll be involved in solving practical engineering challenges and ensuring that critical mechanical systems are delivered to a high standard. We offer a dynamic project environment, competitive compensation, and a lunch benefit, with the opportunity to contribute your technical expertise across the full project delivery process.