We’re looking for someone passionate about data quality and customer impact to help improve both legacy and newly registered property records. If you’re detail-driven, data-savvy, and keen to make a real difference behind the scenes—this could be the perfect role for you.

What you’ll be doing as a Data Analyst - Data integrity

Play a key role in transforming our Non Household (NHH) data into valuable insights—boosting customer experience and driving operational efficiency across the business. As a Data Analyst - Data integrity, you will:

  • Drive improvements in NHH metering and property data, identifying and resolving gaps, inaccuracies, and unbilled or unregistered usage.
  • Manage and maintain property data reporting, ensuring our records align with key external benchmarks like Address Base Premium and business rates.
  • Lead cross-functional data projects, working closely with teams across the business to uncover issues, develop solutions, and deliver measurable improvements.
  • Act as the subject matter expert for property data, providing guidance and support across a variety of business initiatives.
  • Champion data quality and integrity, raising awareness of its impact and embedding improvements across teams and processes.
  • Support data governance frameworks and communicate key insights and risks to senior stakeholders—helping shape data-driven decisions.
  • Hybrid

What you should bring to the role

  • Strong data analysis skills with hands-on experience in handling large, complex datasets.
  • Experience in analysing business and technical requirements, improving processes, and developing effective methodologies.
  • Proficient in SQL and Microsoft Office, with advanced Excel skills (essential).
  • Experience with Power BI and Power Query (nice to have).
  • Familiarity with the UK non-household water market and its competitive landscape.
  • Proven ability to lead and deliver business change across multiple projects and stakeholders.
  • Experience using property benchmark data to uncover insights and drive improvement.

What’s in it for you?

  • Competitive salary from £39,500 to £44,500 per annum
  • 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 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.

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 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.