Company: Carrington West
Location: Wales
Posted: May 5th, 2026
Are you an experienced engineering professional holding a valid National Grid Competent Person qualification? If you have a strong background in high-voltage (HV) substations and the power transmission and distribution sector, this specialist role offers a chance to apply your expertise to a crucial project. Your ability to read and interpret complex protection drawings will be essential from day one.
You will be joining a project for a key player in the UK's power transmission network, a company dedicated to maintaining and upgrading the nation's critical electricity infrastructure. Their work on high-voltage substations is vital to ensuring a stable and reliable power supply for everyone.
In this site-based Project Engineer role in South Wales you'll be working on a 400kV substation and you will take on a vital supervisory position. Your primary responsibility will be to oversee a team of wiremen during the installation of new protection sub-racks into existing panels. Day-to-day activities will involve managing on-site works, ensuring all tasks adhere to strict safety standards, interpreting schematic and circuit diagrams, and collaborating effectively with National Grid SAPs and commissioning engineers to deliver the project successfully.
A competitive hourly rate of around £70 per hour is on offer. Benefit package.
This is a full‑time freelance role for a fixed term of 2 months. The engagement begins with a two‑week paid familiarisation period from around the 20th of July, followed by five weeks of on‑site work from the 3rd of August to the 4th of September.