Job Description

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 project and safety requirements

Requirements

Demonstrable experience commissioning high-voltage transmission substations (132kV–400kV)

Strong understanding of protection and control systems

Experience with primary and secondary injection testing

Ability to work independently in a commissioning environment

Relevant electrical engineering qualifications and authorisations preferred

What's on Offer?

Long-term contract from July through April

Outside IR35

Competitive rate of £84/hour

Opportunity to work on a significant UK transmission infrastructure project

If you are an experienced Commissioning Engineer with transmission substation expertise and are available for your next contract opportunity, apply now or contact Spencer Ogden for more information.

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