National Grid Commissioning Engineer - NG Person

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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