Power Supply Technician

The Power Supply Technician maintains electrical equipment across the Terminals and tunnels, including the lighting network and low, medium and high-voltage distribution systems.

Working as part of the Power Supply team, the postholder will undertake preventive and corrective maintenance to support the safe, reliable and continuous operation of the concession. The role may involve shift working and periods of on-call duty.

• Carry out preventive maintenance, including the inspection, servicing and repair of electrical distribution equipment such as busbars, transformers, cables, protection equipment and lighting.

• Respond to requests from control centres, investigate electrical faults and safely return systems to operation.

• Monitor the condition and compliance of equipment through thermography, partial-discharge monitoring and visual inspection.

• Identify and report equipment defects, non-compliance and potential safety risks.

• Work accurately from technical drawings, wiring diagrams, maintenance instructions and other technical documentation.

• Complete work orders, inspection records, checklists and intervention reports.

• Take appropriate action to support the continuity and safety of operations.

• Follow all relevant occupational health and safety, quality, environmental and company standards.

• Contribute to the review and improvement of maintenance documentation and systems.

• Support photovoltaic specialists when required.

Qualifications, Experience and Skills

Essential

• Qualification in Electrical Engineering (equivalent to NVQ Level 3).

• Previous experience of industrial high-voltage electrical maintenance.

• Ability to read and interpret electrical drawings, diagrams and technical instructions.

• Ability to investigate faults and make sound, safety-focused technical decisions.

• Good written and spoken English.

• Willingness to complete the internal and external training required to achieve competence and autonomy in the role.

• Willingness and ability to undertake shift work and participate in an on-call rota.

Desirable

• HNC qualification.

• Electrical authorisations relevant to the role, including B2V, H2V, BC, HC and BR Battery, or the ability to obtain them through the required training.

• Written and spoken French.

• Experience working with electrical distribution equipment in a safety-critical or operational environment.

Person Specification

• A strong commitment to safe working practices.

• A practical and methodical approach to fault-finding.

• The ability to prioritise effectively when responding to technical emergencies.

• Good attention to detail when completing maintenance activities and records.

• The ability to work constructively within a technical team and with colleagues across different departments.

• A willingness to develop technical knowledge and complete the training required for the position.

• Reliability, sound judgement and a commitment to maintaining operational continuity.

If you are interested in applying, please submit your application online by Monday 16th November 2026.

We reserve the right to close this vacancy early if we receive sufficient applications. Therefore, we encourage you to apply as soon as possible.

Please Note: From 1 January 2021, non-British and non-Irish nationals who do not already hold a UK immigration status will be required to obtain a visa in order to be able to work in the UK. Before applying for this role, please ensure that you are permitted to apply. 
For further information, please visit the UK Visa and Immigration Website.