Job Title: 400kV Commissioning Engineer – Transmission ProjectLocation: Dinorwig Power Station (LL55 4TY), WalesSector: Power Transmission / T&DJob Type: Temporary (Contract – LTD)Start Date: ASAPEnd Date: September 2026Hours: 10-hour days (11 Days On / 3 Days Off)Pay Rate: Up to £100 per hour (£1,000 per day) DOEReason 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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