Senior Mechanical Engineer – Water & Wastewater (Hybrid)

Company: Millbank Holdings
Apply for the Senior Mechanical Engineer – Water & Wastewater (Hybrid)
Location: St Asaph
Job Description:

Millbank Holdings is seeking a Senior Mechanical Engineer (design) in St Asaph, North Wales, to lead mechanical design for clean water and wastewater infrastructure across the UK. The role focuses on concept through to handover, delivering facilities such as treatment works, pumping stations and associated mechanical systems.

The ideal candidate has a mechanical engineering degree, UK water sector experience, and strong design, calculations and technical reporting skills.

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Posted: October 17th, 2026