Modelling & Insights Specialist

Modelling & Insights Specialist

At Thames Water, we’re tackling one of the industry’s biggest challenges—reducing leakage to record lows while helping customers use water more efficiently. With millions of data points from smart meters and sensors across our network, we’re looking for a Modelling & Insights Specialist to transform numbers into powerful insights that shape the future of water management.

What you’ll be doing as a Modelling & Insights Specialist

As a Modelling & Insights Specialist, you’ll play a key role in our data-driven approach to understanding and reducing customer demand and water loss. Working alongside our Senior Modelling & Insights Lead, you’ll manage and enhance models that assess customer water use and leakage. You’ll ensure data is accurate, insights are meaningful, and outputs drive real change across the business.

Key Responsibilities

1. Manage and improve customer water use assessments for regulatory reporting and operational insight.
2. Maintain and refine data models to assess water usage and leakage.
3. Work with teams across the business to ensure accurate data and understanding.
4. Present models and findings clearly to internal teams and external auditors.
5. Automate data processes to improve efficiency and reliability.
6. Support projects to enhance leakage detection and repair processes.

Location: Clearwater Court, Reading – Hybrid 2/3 days in office per week

Working pattern: Full-time, Monday–Friday (36 hours per week)

What you should bring to the role

We’re looking for someone who’s curious, analytical, and passionate about water management. You’ll love working with data, uncovering insights, and making an impact.

Essential skills:

1. Strong mathematical modelling abilities.
2. Good statistical knowledge.
3. Advanced MS Excel skills.
4. A keen eye for data investigation and improvement.
5. Excellent communication and collaboration skills.
6. A degree or relevant professional qualification (or equivalent experience).
7. A passion for the environment, water efficiency, and problem-solving.

Desirable skills:

1. Experience with leakage and water balance calculations.
2. Familiarity with regulatory reporting and audit processes.
3. Understanding of Netbase and NetAlytics.

What’s in it for you?

This role offers the chance to make a real impact—reducing water loss, protecting the environment, and ensuring a sustainable future. You’ll also benefit from:

1. Competitive salary up to £50,000 per annum.
2. 26 days holiday per year increasing to 30 with the length of service (plus bank holidays).
3. Generous Pension Scheme through AON.
4. 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.

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.

Working at Thames Water

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 fast-tracked career opportunities, flexible working arrangements and excellent benefits.

Whether you’re interested in a role in one of our call centres or science labs, we’re looking for people like you with real passion and a burning desire to make things better.

So, 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.

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.

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