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 environment

Essential 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 environments

Desirable:

• TP141
• Previous experience on National Grid or Scottish and Southern Electricity Networks transmission sites
• Ability to lead commissioning activities independently
• Strong communication and coordination skills

What'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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