# Principal Mechanical Engineer at Severn Trent

Severn Trent is hiring a Principal Mechanical Engineer. Level rates it Little AI ●○○○; you can [apply on Level](https://jobsbylevel.com/go/f9fb5937-a1a5-4da8-81e2-6df45a0b2060?utm_medium=ai-agent).

AI Level 1, AI centrality 37 out of 100. Coventry, Engl.

## Details

- Company: [Severn Trent](https://jobsbylevel.com/companies/severn-trent)
- AI level: AI Level 1 (score 37 out of 100)
- Location: Coventry, Engl
- Posted: August 10, 2026
- Apply: https://jobsbylevel.com/go/f9fb5937-a1a5-4da8-81e2-6df45a0b2060?utm_medium=ai-agent

## Description

Join Our Team as a Principal Mechanical Engineer working with Water Treatment Works (WTW) & Clean Water Infrastructure! At Severn Trent, our people are at the heart of everything we do. We’re in the top 5% of utility companies worldwide for employee engagement, and we’re equally proud of our strong Glassdoor score — reflecting how much our people love working here. Join us to make a positive impact on the environment and our communities, while being valued and supported in a truly inclusive workplace. If you want to do more, because you care, we want you on our team. EVERYTHING YOU NEED TO KNOW Severn Trent Water is seeking an experienced and motivated Principal Mechanical Engineer to join our Engineering and Design team. This is a permanent position based at our Finham office in Coventry. You will be responsible for leading the mechanical design and technical delivery of major clean water infrastructure projects. The successful candidate will provide technical leadership across the project lifecycle, from feasibility and outline design through to detailed design, construction support, commissioning and handover. Working within multidisciplinary teams, you will ensure designs are safe, efficient, sustainable, and aligned with Severn Trent's operational requirements and engineering standards. LET’S TELL YOU MORE Mechanical Engineering Leadership Lead the development and delivery of mechanical engineering solutions for water treatment and clean water infrastructure projects. Act as the mechanical engineering technical authority on assigned projects. Provide technical leadership, mentoring, and support to engineers and designers. Promote engineering excellence, innovation, and best practice throughout project delivery. Outline & Detailed Design Develop mechanical solutions for: Water Treatment Works (WTW) Raw water abstraction assets Service reservoirs Booster pumping stations Clean water storage and distribution facilities Progress designs through concept, outline, and detailed design stages. Ensure designs meet project objectives, regulatory requirements, budget constraints, and operational needs. Design Coordination Collaborate with Process, Civil, Structural, Electrical, ICA, and Operations teams. Ensure mechanical designs integrate effectively with treatment processes and operational requirements. Support multidisciplinary design reviews, ALM, HAZOP studies, constructability reviews, and value engineering workshops. Resolve technical interfaces and design challenges throughout project development. Technical Assurance & Governance Undertake and coordinate mechanical design reviews and approvals. Ensure compliance with: Relevant British Standards and Eurocodes Drinking Water Inspectorate (DWI) requirements Health and Safety legislation Water industry standards and guidance Severn Trent engineering standards Support engineering assurance and risk management activities. Construction & Commissioning Support Provide technical support during construction, installation, testing, and commissioning phases. Assist contractors and suppliers in resolving technical queries. Support project handover and operational integration. WHAT YOU’LL BRING TO THE ROLE Degree in Mechanical Engineering or a related discipline. Chartered Engineer (CEng) status, or demonstrable progress towards chartership. Ample experience within water treatment and clean water infrastructure projects. Strong knowledge of UK water treatment processes, assets and standards. Proven experience delivering outline and detailed mechanical design for complex infrastructure projects. Experience leading multidisciplinary engineering teams. Excellent communication and stakeholder management skills. Of course, it’s important that we attract the right skill sets and those with the right experience but we value character, positivity and a caring attitude in equal weight. We do more, because we care. We want people who show up and get involved. Those who are ready to be part of

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