Commissioning Engineer

Spencer Ogden • oban, scotland • Posted June 29, 2026

About the Role

Commissioning Engineers - Transmission Substations (132/220/400kV)

Location: Creag Dhubh, Scotland

Contract Duration: July 2026 - April 2027

IR35 Status: Outside IR35

Spencer Ogden is seeking 2 experienced Commissioning Engineers to support a major transmission substation project at Creag Dhubh.

We are looking for commissioning professionals with proven experience working on 132kV, 220kV, and 400kV transmission substations and a strong background in testing, protection systems, and commissioning activities.

Key Responsibilities

  • Testing and commissioning of CTs and VTs
  • Checking and validating protection schemes, including busbar protection
  • Interface testing of transformers, circuit breakers (CBs), reactors, GIS (Gas Insulated Switchgear)
  • Conducting primary injection testing
  • Conducting secondary injection testing
  • Supporting commissioning activities in line with projec...