Principal Mechanical Engineer (Water / Wastewater)

Locations (office base options): Bristol, Exeter, Cardiff, Swansea, Birmingham, Derby, Epsom, Peterborough, Cambridge, Leeds, Manchester, Glasgow, Newcastle, Belfast
Working pattern: Hybrid - typically 3 days per week office/site-based
Type: Permanent full-time

The Opportunity

A leading engineering and design consultancy is looking to appoint a Principal Mechanical Engineer to strengthen its Water and Environmental delivery capability. You'll take a key role in delivering complex, multi-disciplinary programmes across water and wastewater infrastructure; helping clients tackle resilience, sustainability and performance challenges across critical UK assets.

What you'll be doing

Leading and coordinating mechanical design delivery on complex projects (e.g., pumping stations, treatment works, process/mechanical packages).
Producing and checking calculations, specifications, reports, scopes of work and drawings.
Providing technical direction to ensure compliance with UK standards, project requirements and industry best practice.
Working with project management to deliver to programme, budget and quality targets.
Supporting bids/proposals with strong technical input.
Mentoring engineers and strengthening local capability.
Maintaining QA discipline , checking your own work and reviewing others'.

What we're looking for

Degree in Mechanical Engineering (or equivalent).
Chartered or Incorporated (or clearly working towards).
Demonstrable experience leading mechanical design in a consultancy / multi-discipline environment.
Equipment integration experience (pumps, blowers, screens, chemical dosing, etc.).
Working knowledge of CDM and DSEAR and relevant UK standards.
Strong communication skills and the ability to work autonomously.
Experience in the Water industry is essential