Job Description

Are you ready to take the helm at an ecologically significant and evolving site in the Thames Water network? Hogsmill Sewage Treatment Works is a vital guardian of the chalk stream ecosystem, where high-standard effluent meets the rare and delicate waters of the Hogsmill River.



We are looking for a Performance Manager who sees beyond the infrastructure--someone who recognises that our mission to protect the environment is powered entirely by the excellence of our people.



If you are a leader who thrives on driving operational brilliance while fostering a culture of empowerment and resilience, this is your opportunity to leave a legacy on both the landscape and the team that sustains it. This is a fantastic opportunity, supported by an experienced surrounding team, to help you grow and shape the future of Thames Water.

What you'll be doing as a Performance Manager:

Leadership: Inspiring, coaching, and developing your team to create a diverse, inclusive, and high-performing workplace. Health, Safety, and Well-being: Ensuring "Zero Harm" and fostering a culture of competence and safety, with particular focus on DSEAR and biogas safety protocols. Environmental Impact: Enhancing the health of the Hogsmill River through exceptional environmental performance while maximising renewable energy generation as part of our journey to Net Zero. Stakeholder Relationships: Strengthening ties with customers, regulators, and community stakeholders to build trust and proactive engagement. Operational Excellence: Managing processes, budgets, and resources efficiently to meet and exceed financial targets, leveraging data and innovation to optimise operations. Strategic Planning: Moving beyond daily tasks to plan and implement long-term operational strategies for site improvements and asset resilience. Out-of-Hours Leadership: Participating in an out-of-hours roster with the management team to maintain site continuity and responsiveness.

Base location:

Hogsmill - Kingston - KT1 3BW

Working pattern or hours:

36 Hours per week (Monday to Friday)

What you should bring to the role?

To thrive in this role, the essential criteria you'll need is:


Proven experience in managing operational teams, with an ability to inspire and engage employees to drive performance. A genuine enthusiasm for environmental improvement and renewable energy initiatives. A robust understanding of H&S principles; you will be the designated Controller of Premises. Experience in managing budgets and driving cost efficiencies. The ability to prioritise effectively and think beyond daily operations to deliver long-term site goals. Strong interpersonal skills to foster teamwork across departments and with external stakeholders. Knowledge of production processes and operational strategy with a structured, proactive approach. Full UK Driving License.

Additional skills and experiences would be great to have/bring:


Previous experience within water or a similar industry.

What's in it for you?

Offering a salary up to 60,000, depending on skills and experience. Annual Leave:26 days holiday per year increasing to 30 with the length of service (plus bank holidays) Performance-related pay plan directly linked to company performance measures and targets Generous Pension Scheme through AON Access to lots of benefits to help you take care of you and your family's health and wellbeing, and your finances - from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Find out more about our benefits and perks

Who are we?

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.

Learn more about our

purpose and values

Working at Thames Wate

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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 meaningful career opportunities, flexible working arrangements and excellent benefits.



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.



We're committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that's extra time, accessible formats, or anything else just let us know, 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.