Commissioning Engineer

We are currently supporting a leading Data Centre contractor in the appointment of experienced Mechanical & Electrical Commissioning Engineers for a major hyperscale data centre project in London. This is an excellent opportunity to join a high-profile project and play a key role in the commissioning and handover of critical infrastructure systems within a fast-paced mission-critical environment.

Job Title: Mechanical & Electrical Commissioning Engineers

Location: London, UK

Duration: 12 Months (with potential extension)

Start Date: ASAP

Onsite Requirement: 5 days onsite

Key Responsibilities:

Execute and oversee mechanical and electrical commissioning activities across the project lifecycle.

Support pre-commissioning, commissioning, and integrated systems testing (IST) activities.

Commission critical electrical systems including LV/MV distribution, switchgear, UPS systems, generators, transformers, and associated infrastructure.

Commission mechanical systems including HVAC, CRAH/CRAC units, chilled water systems, pumps, and cooling infrastructure.

Review commissioning procedures, test scripts, method statements, and commissioning documentation.

Coordinate with subcontractors, vendors, consultants, and client representatives to ensure successful delivery.

Monitor commissioning progress and identify, track, and close out system issues.

Ensure all commissioning activities are carried out safely and in accordance with project specifications and quality standards.

Support witness testing activities, FATs, SATs, and client demonstrations.

Work closely with BMS, Controls, CSA, Mechanical, and Electrical delivery teams to ensure successful system integration.

Prepare and maintain commissioning records, reports, punch lists, and handover documentation.

Proven experience as a Mechanical or Electrical Commissioning Engineer on Data Centre, Mission Critical, Pharmaceutical, or Industrial projects.

Strong understanding of commissioning processes within complex building services environments.

Mechanical engineers should have experience commissioning HVAC, chilled water, cooling systems, pumps, and associated plant.

Electrical engineers should have experience commissioning LV/MV systems, switchgear, UPS, generators, transformers, and associated infrastructure.

Experience supporting Integrated Systems Testing (IST) and project handovers.

Ability to review and interpret technical drawings, schematics, and commissioning documentation.

Strong knowledge of health and safety procedures within construction and commissioning environments.

Excellent communication and stakeholder management skills.

Ability to work independently within a fast-paced project environment.

Valid right to work in the UK.

Previous experience working on hyperscale data centre projects.

Experience working for principal contractors, commissioning consultants, or specialist commissioning providers.

Knowledge of Cx management processes and commissioning software platforms.

Experience working alongside BMS, Controls, CSA, Mechanical, Electrical, and Commissioning delivery teams.

Strong understanding of mission-critical environments and client handover requirements.

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