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🥝 Principal Electrical Engineer -Substations

Mott Macdonald | cardiff, United-Kingdom | Posted June 11, 2026

Job Description

Mott MacDonald has an exciting opportunity for a Principal Electrical Engineer to join our expanding Power Transmission and Distribution team. The role can be based in various locations across the UK.

The successful candidate will be motivated to work on a range of diverse, industry‑leading projects developing innovative solutions for the power transmission grid, ensuring security of electricity supply, integrating renewable energy sources, and delivering large power infrastructure plans from concept to delivery stage.

Responsibilities

  • Primary plant layout for HV substations.
  • Specification of equipment for HV plant and ancillary installations.
  • Engineering design input to major electrical power infrastructural development projects from feasibility to detailed design, site construction monitoring and commissioning.
  • Coordination with client project teams and internal disciplines (civil, structural, environmental, survey/g...

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