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Operations & Project Management

Project Manager - HV Systems

TRIbuild Solutions LimitedTremadog, Porthmadog🇬🇧United KingdomPosted 15 Jul 2026

Quick Overview

Salary
£70k - £80k/yr
Work Type
On Site
Schedule
Full Time
Level
Mid Senior

Job Description

Project Manager - HV Systems | Snowdonia National Park £70,000 - £80,000 (Negotiable, DOE) + Package | Permanent Location:

Snowdonia National Park (Eryri), North Wales About the Role TRIbuild Solutions are recruiting for an experienced Project Manager to join a major 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 overhead line, and replacing them with 400kV cables routed through a tunnel deep underground - significantly enhancing the visual and environmental quality of this iconic landscape.

You will play a key role in delivering this landmark engineering project, from design through to construction and commissioning. The Project Scope Includes:

A 3.4km tunnel, 3.5m in diameter, connecting two new shafts at Garth and Cilfor<br />Construction of two new headhouses, one at each shaft<br />A new sealing end compound, plus reconfiguration and extension of an existing sealing end compound<br />Installation of two high voltage (HV) electrical circuits<br />Circuit connections between the reconfigured Garth Sealing End Compound (SEC) and the new Cilfor SECKey Responsibilities Manage and oversee HV systems delivery across all project phases, from design through construction and commissioning<br />Coordinate with multi-disciplinary design and construction teams, including tunnelling, M&amp;E, and civils specialists<br />Liaise closely with National Grid and key delivery partners to ensure project milestones, quality standards, and safety requirements are met<br />Manage project constraints specific to working within a National Park environment, including environmental and planning considerations<br />Oversee programme, cost, and risk management across the HV electrical scope<br />Ensure compliance with relevant HV standards, regulations, and health &amp; safety legislation<br />Report on progress, risks, and key decisions to senior stakeholdersAbout You Proven experience as a Project Manager within HV transmission, substation, or major electrical infrastructure projects<br />Strong understanding of HV systems (400kV experience highly desirable)<br />Experience delivering large, complex civil/M&amp;E infrastructure projects, ideally within utilities, energy, or National Grid frameworks<br />Familiarity with tunnelling or underground infrastructure projects advantageous<br />Excellent stakeholder management skills, with experience working alongside principal contractors and design consultants<br />Relevant qualifications (e.g., Engineering degree, PMP, APM, or equivalent) desirable<br />Full UK driving licence, with flexibility to be based on-site in SnowdoniaWhat's on Offer £70,000 - £80,000 basic salary, negotiable dependent on experience<br />Attractive benefits package<br />Opportunity to work on a landmark national infrastructure project<br />Based in one of the UK's most beautiful National Parks<br />Long-term career development within a high-profile schemeInterested?

If you're a driven Project Manager looking to make a visible, lasting impact on the UK's landscape and infrastructure, contact Leon at TRIbuild Solutions, or apply now to be part of this prestigious scheme

Skills

PMP
Stakeholder Management

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