Location
Coppermills (WTW), Walthamstow, 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.

As a Site Performance Manager, you will ensure that Thames Water employees and contractors work in a safe and secure environment, going home safely and well at the end of each day. You will be responsible for achieving planned availability and reliability of water production sites in terms of quality and quantity at the agreed cost.

You will lead your team to deliver exceptional service to both internal and external customers, working towards an improved SIM score. Budgetary control in line with Financial Control procedures (OPEX & CAPEX) will be a key part of your role. You will ensure individuals understand performance expectations through the company’s PDR process and timelines, while fostering a motivated, valued, and engaged team.

Maintaining and contributing to a succession plan as part of the wider Water Production team will also be part of your responsibilities.

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 strong leadership qualities, empathy, and a calm demeanour under pressure
- A great team player with the ability to work collaboratively
- Excellent verbal and written communication skills

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