Sub Agent - Civils / Tunnelling

Tribuild • Porthmadog, Wales • Posted July 12, 2026

Position Overview

Sub Agent - Civils/Tunnels | Snowdonia National Park
£55,000 - £65,000 (Negotiable, DOE) + Package | Permanent

Location: Snowdonia National Park (Eryri), North Wales


About the Role

An exciting opportunity has arisen for an experienced Sub Agent to join a major civils and tunnelling infrastructure scheme delivered on behalf of National Grid, based within the stunning Eryri National Park.

The project involves constructing a new cable tunnel beneath the estuary near Portmeirion, enabling the removal of 10 pylons and 3.4km of overhe...