Job Description

We are currently seeking an experienced BI Data Engineer to join our Digital Data Hub team within Thames Water. In this role, you will play a critical part in designing, building, and maintaining scalable data architectures that drive our ambition to become a truly data-driven organisation.



You will work closely with data architects, data scientists, and cross-functional teams to build the foundational data structures and processes that power analytics, insight, and innovation.

Key Responsibilities as a BI Data Engineer:

Design, construct, test, and maintain scalable data architectures, including large-scale data processing systems and databases to support enterprise-wide data needs. Collaborate with data architects and data scientists to acquire, model, and prepare corporate data in a production-ready manner to support the development of our data lake and lake-house architecture. Implement robust data flows that integrate operational systems with analytics and BI platforms, ensuring seamless, efficient access to clean, structured data. Provide high-quality, usable data to business stakeholders, analysts, and data scientists for reporting, decision-making, and advanced analytics. Contribute to the development and enforcement of data standards, policies, and governance practices to ensure data quality and consistency. Collaborate with IT and information management teams to align on data architecture roadmaps and standards. Support innovation and project delivery by analysing, designing, and evaluating data solutions that align with business needs.

Base location - Hybrid - Clear Water Court Reading

Essential Experience:

2+ years of experience in data engineering, with a strong understanding of enterprise-scale data systems. Proven ability to collaborate with technical and non-technical stakeholders, including architects, developers, and data scientists. Experience with integrating and managing SAP or other large-scale data warehouse environments. Solid understanding of data flow orchestration, data modelling, data quality management, and structured/unstructured data handling. Strong interpersonal skills and ability to communicate effectively across business and technical teams.

Desirable Qualifications & Experience:

Microsoft MCSA Data Engineering or Azure Fundamentals certification. Chartered IT Professional (CITP) status or working towards it. Knowledge of project planning and control techniques, configuration management, and product evaluation. Experience working within the utilities sector or a similar data-rich, regulated environment. Familiarity with change management and implementing robust processes to ensure controlled data platform evolution.

What's in it for you?

Competitive salary of up to 64,000 per annum depending on experience

Annual Leave

- 26 days holiday per year increasing to 30 with the length of service (plus bank holidays) 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 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.



Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.



Our overarching aim is to ensure that Thames Water is great, diverse and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process. Our aim is to remove any real or perceived barriers to success, so if you need assistance, 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, meet colleagues and earn some extra money along the way.

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.