We are seeking an experienced MEP Commissioning Supervisor to support and oversee the day-to-day execution of the mechanical and electrical commissioning programme on a 100MW greenfield hyperscale data centre project in Stockholm, Sweden. Working on behalf of a fast-growing Nordic general contractor, you will play a key role in delivering the commissioning lifecycle across all MEP workstreams, supporting activities from pre-commissioning and system readiness through to Level 1-5 testing, integrated systems testing (IST), and final handover. You will coordinate specialist commissioning subcontractors, vendors, package managers, and site teams, ensuring all systems are commissioned safely, efficiently, and in line with project requirements, quality standards, and programme milestones.
Contract:
- Location: Stockholm, Sweden
- Working Arrangement: Freelance
- Contract Length: 12+ Months
- Rate: Negotiable (Dependent on Experience)
- Mobilisation: Immediate
- Schedule: On-site, 5 days per week
Key Responsibilities:
- Support the implementation and maintenance of the project commissioning plan, commissioning schedule, and Level 1-5 commissioning procedures across mechanical, electrical, BMS, controls, fire suppression, security, and life safety systems.
- Supervise and coordinate pre-commissioning activities, ensuring systems are installed, inspected, tested, and ready for functional commissioning.
- Monitor and support functional testing and integrated systems testing (IST), coordinating subcontractors, vendors, and package managers throughout the commissioning process.
- Witness commissioning activities, FATs, SATs, and system testing across critical plant and equipment including generators, UPS systems, switchgear, transformers, cooling equipment, BMS, fire suppression, and security systems.
- Maintain commissioning trackers, punch lists, and issue logs, ensuring deficiencies are recorded, communicated, and closed out in a timely manner.
- Coordinate with BMS and controls teams to verify the successful integration of mechanical and electrical systems during testing and commissioning activities.
- Attend commissioning meetings, inspections, testing activities, and client witness events, ensuring documentation and records are maintained accurately.
- Supervise commissioning subcontractors, vendors, and specialist engineers on site, ensuring works are completed safely and according to approved procedures.
- Review commissioning records, test documentation, and inspection reports, supporting the preparation of final handover documentation and O&M manuals.
- Report progress, risks, and commissioning issues to the Commissioning Manager and wider project team.
Requirements:
- Degree, diploma, trade qualification, or equivalent experience in Mechanical Engineering, Electrical Engineering, Building Services Engineering, or a related discipline.
- 5+ years of commissioning experience on large-scale construction projects, with experience on data centres, mission-critical facilities, industrial projects, or comparable MEP-intensive environments.
- Experience supporting Level 1-5 commissioning activities across mechanical and electrical systems.
- Strong understanding of data centre MEP infrastructure including cooling systems, electrical distribution, UPS, generators, switchgear, BMS, fire suppression, and life safety systems.
- Experience coordinating subcontractors, vendors, and specialist commissioning teams on fast-paced construction projects.
- Familiarity with commissioning management platforms such as CxPlanner, Omega 365, or similar commissioning tools.
- Ability to read and interpret commissioning procedures, technical specifications, test scripts, and commissioning documentation.
- Previous experience on data centre projects or critical environments is highly advantageous.
- Experience working with Nordic contractors or on projects in the Nordic region is beneficial.
- Fluent English required; Swedish language skills are an advantage.
MEP Commissioning Supervisor
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