Location
Reading, Hybrid – based at Clearwater Court, with 2–3 days per week expected onsite or in the office.

Hours
36 hours per week, Monday to Friday.

Salary
£55,000 to £65,000 per annum.

About the Role
Join Thames Water as a Senior Mechanical Engineer and play a key role in driving innovation in capital delivery. You will lead the delivery of high-impact capital projects, focusing on transforming and modernising sewage treatment works across the Thames Valley. This role offers the opportunity to make a meaningful impact by championing engineering excellence, sustainability, and safety. You will ensure every project meets the highest standards while contributing to long-term improvements across the network.

Your responsibilities will include delivering high-quality technical outcomes from Project Definition Briefs, maximising value through strong risk understanding and mitigation. You will contribute to and continually enhance Technical Asset Standards, provide design sign-off between Asset Management and Capital Delivery, and offer technical assurance throughout delivery, commissioning, and handover stages.

Benefits
26 days holiday per year, increasing to 30 with length of service (plus bank holidays). Access to a wide range of benefits supporting health, well-being, and finances, including annual health MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers, and life assurance. Performance-related pay linked to company performance measures and targets. Generous pension scheme through AON.

Who are we?
Thames Water is the UK’s largest water and wastewater company, serving over 16 million customers. We are committed to building a better future for our customers, communities, people, and the planet. We offer meaningful career opportunities, flexible working arrangements, and excellent benefits. Join us to make a daily difference to millions of lives while helping protect the world’s water for future generations.

Why choose us?
We are dedicated to being a great, diverse, and inclusive place to work. We welcome applications from everyone and provide support throughout the recruitment process. As part of Team Thames, you can also volunteer as a frontline ambassador to support customers during crises, gaining valuable experience and insight into our business.

Experience
- Proven experience in project delivery within process-industry environments.
- Strong understanding of developing technical project solutions and briefs within mechanical engineering.
- Solid knowledge of health & safety requirements within the construction sector.
- Understanding of industrial processes relevant to mechanical engineering.

Qualifications
HNC, HND, or Degree in Mechanical Engineering.

About you
Detail-oriented and proactive with a commitment to engineering excellence, sustainability, and safety. Able to lead and deliver complex projects while collaborating effectively across teams. Passionate about making a meaningful impact on infrastructure and long-term improvements.