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 our 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 their planned availability and reliability in terms of quality and quantity at the agreed cost.
- Lead the team 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 individuals understand expectations to achieve optimal performance in line 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.

What’s in it for you?
- 26 days annual leave, 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 benefits supporting health, wellbeing, and finances including annual health MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers, and life assurance
- Meaningful career opportunities, flexible working arrangements, and a supportive, diverse workplace culture

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