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Mechanical Commissioning Manager

Location: Herøya, Norway

Contract Type: Contract / Freelance

Duration: 12 Months

About the Role

We are seeking an experienced Mechanical Commissioning Manager to lead commissioning activities on a major industrial or data centre project in Herøya, Norway. The successful candidate will be responsible for managing all mechanical commissioning phases from pre-commissioning through testing, start-up, and final handover, ensuring compliance with project safety, quality, and schedule requirements.

This role requires strong leadership experience and a proven track record delivering complex mechanical systems including HVAC, cooling, chilled water, and associated infrastructure within mission-critical or industrial environments.

Key ResponsibilitiesLead and manage all mechanical commissioning activities across the project.Develop and implement commissioning strategies, procedures, and schedules.Coordinate commissioning activities with Construction, Engineering, Quality, and Client teams.Oversee mechanical completion, pre-commissioning, commissioning, and handover processes.Manage commissioning engineers, supervisors, vendors, and subcontractors.Ensure all commissioning documentation is completed and maintained.Review and approve commissioning procedures, method statements, and test scripts.Monitor commissioning progress and provide regular project updates to stakeholders.Interface directly with client representatives and project leadership teams.Ensure all activities are executed in accordance with project HSE standards and Norwegian regulations.Manage system turnover and final handover to operations teams.Identify and mitigate risks that may impact project delivery.Required ExperienceMinimum 10 years' experience within Mechanical Commissioning.Minimum 5 years' experience in a Commissioning Manager or Lead Commissioning role.Proven experience delivering large-scale data centre, industrial, energy, pharmaceutical, or mission-critical projects.Strong experience commissioning:HVAC SystemsChilled Water SystemsCooling InfrastructureAir Handling Units (AHUs)Ventilation SystemsHydronic SystemsPipework SystemsMechanical Flushing ActivitiesPressure TestingBuilding Management Systems (BMS) IntegrationExperience managing multidisciplinary commissioning teams.Strong understanding of Mechanical Completion, Commissioning, Start-Up, and Handover processes.Experience working within fast-paced project environments.Preferred ExperiencePrevious project experience in Norway.Data Centre commissioning experience.Experience working on hyperscale projects for clients such as Microsoft, Google, AWS, Meta, or Equinix.EPC or EPCM project experience.Familiarity with commissioning and completions software platforms.QualificationsDegree in Mechanical Engineering or a related discipline.Relevant commissioning certifications are advantageous.Mechanical trade background will also be considered.Strong commitment to Health, Safety, and Quality standards.Essential SkillsLeadership and team management.Stakeholder and client management.Mechanical system troubleshooting.Commissioning planning and execution.Project scheduling and reporting.Risk management.Technical document review.Strong communication and coordination skills.

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I am currently supporting a leading General Contractor that has recently secured and green-lit multiple data centre construction projects across Europe. These are active requirements for projects entering mobilisation and delivery phases, with project teams being assembled across several European locations.

The contractor works with multiple hyperscale and colocation clients and is seeking experienced Commissioning Managers to lead and coordinate commissioning activities from construction completion through to client handover.

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We are seeking an experienced Commissioning Manager to lead all commissioning, testing, validation, and handover activities for a large-scale Data Centre project in Fredericia, Denmark. The successful candidate will be responsible for ensuring all mechanical, electrical, controls, and life safety systems are installed, tested, commissioned, and handed over in accordance with project specifications and client requirements.

This is a critical leadership role within a fast-paced, mission-critical environment, requiring a strong technical background in MEP systems, commissioning processes, and stakeholder management.

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We are seeking an experienced Commissioning Manager to lead the commissioning, testing, validation, and handover activities for a major Data Centre construction project in Narvik, Norway. The successful candidate will play a critical role in ensuring all mechanical, electrical, life safety, and control systems are installed, tested, and commissioned to the highest standards before client handover.

This position requires strong technical expertise, leadership skills, and previous experience delivering mission-critical facilities within a fast-paced construction environment.

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Commissioning Manager - DenmarkOverview

Our client, a rapidly growing Nordic General Contractor, is recruiting a Commissioning Manager to support the delivery of a major hyperscale data centre project in Denmark.

The successful candidate will take responsibility for all commissioning activities across the project, managing subcontractors and specialist vendors while ensuring all systems are tested, validated, and handed over in accordance with project and client requirements.

ContractLocation: DenmarkWorking Arrangement: FreelanceContract Length: 12+ MonthsRate: Negotiable (Based on Experience)Mobilisation: ImmediateOn-site, 5 Days per WeekKey ResponsibilitiesLead the development and implementation of project commissioning plans.Manage all Levels 1-5 commissioning activities.Oversee pre-commissioning, commissioning, integrated systems testing, and handover phases.Coordinate commissioning subcontractors and specialist suppliers.Drive FAT, SAT, and system acceptance activities.Ensure commissioning activities align with programme requirements and project milestones.Maintain commissioning trackers, test records, issue logs, and turnover documentation.Liaise directly with client representatives, commissioning agents, and project management teams.Ensure all MEP systems are fully integrated and operational before final handover.Provide regular progress reporting to senior project stakeholders.RequirementsDegree qualification in Mechanical, Electrical, or Building Services Engineering.Minimum 10 years of commissioning experience within mission-critical construction environments.Strong General Contractor/Main Contractor background.Experience delivering commissioning on hyperscale or enterprise data centres.Thorough understanding of:Electrical Distribution SystemsStandby Power SystemsUPS InfrastructureMechanical Cooling SystemsBMS and ControlsFire Detection and Suppression SystemsExperience managing large multidisciplinary commissioning teams.Strong documentation and stakeholder management skills.Familiarity with commissioning management platforms.Previous Nordic project experience is highly desirable.Fluent English required.

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Our client, a fast-growing Nordic general contractor, is looking for an MEP Commissioning Manager to lead the full commissioning scope on a 100MW greenfield hyperscale data centre construction project in Stockholm, Sweden.

Contract:

Location: Stockholm, SwedenWorking arrangement: FreelanceContract: 12+ monthsRate: Negotiable (based on experience)Mobilisation: ImmediateOn site, 5 days a week

Job Title: MEP Commissioning Manager

Overview:

We are seeking an experienced MEP Commissioning Manager to lead and oversee the full 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 be the senior commissioning authority on site, responsible for the end-to-end commissioning lifecycle across all MEP workstreams from pre-commissioning strategy and planning through to Level 1-5 functional testing, integrated systems testing, and final client handover. You will manage and coordinate all specialist commissioning subcontractors and package managers, interface with the developer's commissioning team, and ensure all systems are delivered to specification, on programme, and to the required quality standard.

Key Responsibilities:

Develop, implement, and maintain the project commissioning management plan, commissioning schedule, and Level 1-5 commissioning procedures across all MEP workstreams including mechanical, electrical, BMS, controls, fire suppression, security, and life safety systems.Coordinate and manage all pre-commissioning activities across mechanical and electrical workstreams, ensuring all systems are installed, tested, and signed off to the required standard ahead of functional testing.Lead functional testing and integrated systems testing (IST) across all MEP systems, coordinating specialist commissioning subcontractors, package managers, vendors, and the client commissioning team throughout.Witness and sign off FATs and SATs on all critical plant and equipment across both mechanical and electrical scopes, including generators, UPS, switchgear, transformers, cooling plant, BMS, fire suppression, and security systems.Manage the site-wide commissioning tracker, punch list, and issue log, ensuring all items are assigned, tracked, and formally closed out prior to system handover.Coordinate with the BMS and controls commissioning teams to ensure full integration of all mechanical and electrical systems is verified and signed off as part of the IST programme.Interface directly with the developer's commissioning agent and client quality team, attending all commissioning hold points, witness inspections, and sign-off activities.Manage the on-site commissioning team including subcontractor commissioning engineers and specialist vendors, planning and mobilising resources to maintain the commissioning programme.Compile and review all commissioning records, test results, as-built documentation, and O&M manuals into the final handover dossier.Report commissioning progress, risks, and programme deviations to the project manager and client on a weekly basis.

Requirements:

Degree or equivalent qualification in Mechanical Engineering, Electrical Engineering, Building Services Engineering, or a related discipline.10+ years of MEP commissioning experience on large-scale construction projects, with a minimum of 4 years leading full MEP commissioning programmes on data centre or critical facility projects at GC or main contractor level.Proven track record delivering L1-L5 commissioning on data centre projects of 30MW IT load or above, with demonstrable experience managing both mechanical and electrical commissioning workstreams simultaneously.Strong technical understanding of both mechanical and electrical systems in a data centre context: cooling plant, electrical distribution, UPS, generators, switchgear, BMS, fire suppression, and life safety.Proven experience managing and coordinating multiple specialist commissioning subcontractors on fast-track hyperscale programmes.Proficiency with commissioning management tools such as CxPlanner, Omega 365, or similar.Experience working on data centre projects in the Nordic region or with Nordic contractors is a significant advantage.Fluent English required; Swedish language skills are a strong advantage.

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