Location
Coppermills (WTW), London, E17 7HE

Hours
36 hours per week (Monday to Friday), plus inclusion on a standby rota with additional payment

Salary
Up to £60,000 per annum depending on skills and experience

About the Role
We have an exciting opportunity to join our water treatment team as a Site Performance Manager. This demanding but rewarding role is based at one of our key operational sites — one of the largest water production facilities, providing high-quality drinking water to approximately 3.5 million customers.
- Ensure both Thames Water employees and contractors work in a safe and secure environment and go home safely and well at the end of each working day.
- Ensure Water Production sites achieve planned availability and reliability in terms of quality and quantity at the agreed cost.
- Lead the team and individuals to deliver exceptional service to both internal and external customers, working towards an improved SIM score.
- Maintain budgetary control in accordance with Financial Control procedures to meet the business plan (OPEX & CAPEX).
- Ensure team members understand performance expectations aligned with the company’s PDR process and timeline.
- Motivate, value, and engage the team in all aspects of their work.
- Maintain and contribute to a succession plan as part of the wider Water Production team.

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

About Thames Water
We are the UK’s largest water and wastewater company, serving over 16 million customers daily. We are committed to building a better future for our customers, communities, people, and the planet. Thames Water offers meaningful career opportunities, flexible working arrangements, and excellent benefits. Join us to make a real difference while protecting water resources for future generations.

Experience
- Previous process knowledge gained through hands-on development
- Technical ability and understanding of all process areas

About you
- Full UK Driving Licence required
- Demonstrates leadership, empathy, and a calm demeanour under pressure
- A great team player with the ability to work collaboratively
- Excellent verbal and written communication skills

Qualifications
- Qualification in the Management of Water Production is highly desirable
- IOSH or NEBOSH training is highly desirable