Commissioning Engineer - NG Person

Job in Caernarfon, Gwynedd, LL55, Wales, UK

Listing for: Career Choices Dewis Gyrfa Ltd

Part Time, Seasonal/Temporary, Contract position
Listed on 2026-06-05

Job specializations:

Engineering
Electrical Engineering
Energy/Power Generation
Electrical Engineering, Power Plant / Engineering

Salary/Wage Range or Industry Benchmark: 100 GBP Hourly GBP 100.00 HOUR

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:
September 2026

Hours:

10-hour days (11 Days On / 3 Days Off)
Pay Rate:
Up to £100 per hour (£1,000 per day) DOE
Reason for Vacancy:
Project delivery requirements on major transmission scheme

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 September 2026
Up to £1,000 per day rate (LTD)
Structured 11 on / 3 off rotation
Opportunity to work on a major UK transmission project

Search is an equal opportunities recruiter and we welcome applications from all suitably skilled or qualified applicants, regardless of their race, sex, disability, religion/beliefs, sexual orientation or age

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