Job Description

Job Title: 400kV Commissioning Engineer - Transmission Project

Location: Dinorwig Power Station (LL55 4TY), Wales

Sector: Power Transmission / T&D

Job Type: Temporary (Contract - LTD)

Start Date: ASAP

End Date: July 2026

Hours: 10-hour days (11 Days On / 3 Days Off)

Pay Rate: Up to £100 per hour (£1,000 per day) DOE

The Role:

We are currently recruiting an experienced 400kV Commissioning Engineer to support works on a major transmission project at Dinorwig Power Station.

This is an excellent opportunity to work on a high-profile 400kV site within a live power generation and transmission environment, contributing to critical UK grid infrastructure through to mid-2026.

Key Responsibilities:

Leading and carrying out commissioning of primary and secondary plant at 400kV

Functional testing of protection and control schemes

Reviewing, completing and signing off commissioning documentation

Ensuring compliance with National Grid standards and site safety rules

Coordinating with SAPs, Project Engineers and client representatives

Supporting energisation and fault-finding activities

Working safely within a live transmission environmentEssential Requirements:

Extensive experience commissioning at 400kV level

Strong background within UK transmission projects

Solid understanding of UK T&D commissioning procedures

Proven experience working in live substations or transmission environmentsDesirable:

TP141

Previous experience on National Grid or Scottish and Southern Electricity Networks transmission sites

Ability to lead commissioning activities independently

Strong communication and coordination skillsWhat's on Offer:

Immediate start available

Long-term contract through to July 2026

Up to

£1,000 per day rate (LTD)

Structured 11 on / 3 off rotation

Opportunity to work on a major UK transmission project

If you are a 400kV Commissioning Engineer and available to start immediately, please apply with your CV or contact directly for further details.

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