Senior Mechanical Engineer

Overview

Job title Senior Mechanical Engineer Ref 42332 Division Asset Operations & Capital Delivery Location Hybrid - Clearwater Court - RG1 8DB Contract type Permanent Full / Part-time Full-time Salary Competitive salary from £55,000 to £65,000 per annum. Job grade B Closing date 24 / 09 / 2025

Join Thames Water as a Senior Mechanical Engineer – Drive Innovation within Capital Delivery Projects.

Seize this exciting opportunity to be part of Thames Water’s dynamic team, leading the delivery of high-impact capital projects. As a Senior Mechanical Engineer , you’ll play a pivotal role in the transformation and modernisation of sewage treatment works across the Thames Valley area.

This is more than just a job—it’s your chance to shape the future. You'll ensure projects meet the highest standards of design, delivery, and health & safety , while championing sustainability and engineering excellence. Your technical expertise will not only uphold our rigorous standards but also drive continuous improvement and innovation across our infrastructure.

What you’ll be doing

• Get the proper technical outcomes from the Project Definition Briefs and maximise value by understanding risks and providing mitigation.
• Input and continuously improve Technical Asset Standards.
• Provide Design sign-off between Asset Management and Capital Delivery as dictated by the Delivery Stream.
• Provide Technical assurance during the delivery, commissioning, and handover of Assets.

Hybrid—Clearwater Court. You will be required on-site and in the office 2-3 days a week.

36 hours a week, Monday to Friday.

What you should bring to the role

What’s in it for you?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy fast-tracked career opportunities, flexible working arrangements and excellent benefits.

Whether you’re interested in a role in one of our call centres or science labs, we’re looking for people like you with real passion and a burning desire to make things better.

So, if you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

Our overarching aim is to ensure that Thames Water is great, diverse, and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process . Our aim is to remove any real or perceived barriers to success, so if you need assistance, we’re here to help and support .

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Disclaimer : Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.

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