At Thames Water, we make a daily difference to 16 million customers by supplying 2.6 billion litres of water through 32,000 km of pipes. As the UK’s largest water company, we’re building resilience for tomorrow while fixing today’s challenges. Join us as a Senior Data Analyst and help us deliver life’s essential service through powerful insights and data-driven decisions—especially if you’ve worked in a regulated, customer-facing environment where data drives critical service delivery.
What you’ll be doing as a Senior Data Analyst
As a Senior Data Analyst, you’ll be responsible for turning complex data into clear, actionable insights that support operational decisions across Customer Service, Financial Customer Care, and Wholesale units. You’ll work closely with stakeholders to understand their needs and deliver impactful reporting and analysis.
* Collect, organise, and visualise data using ETL (Extract, Transform, and Load) processes.
* Deliver daily reporting and interpret metrics into meaningful insights.
* Support data migration from legacy systems to the Azure Cloud.
* Build consolidated reports and dashboards using Power BI and advanced SQL.
* Conduct scenario modelling and risk analysis to guide business strategies.
* Collaborate across departments to improve data capture and reporting quality.
* Influence operational decisions through expert analysis and clear recommendations.
Base Location: Hybrid / Swindon
Working pattern: Full time – 36 hours
What you should bring to the role
* Advanced SQL & Databricks Skills: Must have advanced expertise in SQL, including procedural SQL, and proven hands‑on experience working within the Databricks environment.
* Exceptional Data Visualisation: Proven track record of building compelling reports and dashboards using Power BI, translating complex data into clear, actionable insights.
* Insight‑Driven Influence: Ability to influence operational and strategic change by leveraging data‑driven insights, with examples of impact in previous roles.
* Stakeholder Engagement: Excellent relationship management and communication skills to engage with a variety of stakeholders and deliver high‑level messaging with commercial impact.
* Technical Proficiency: Strong working knowledge of Azure, Azure Data Factory, and PL‑SQL.
* Clear Presentation: Ability to prepare and present complex data in a clear, compelling manner tailored to diverse audiences.
* Python programming proficiency (desirable)
What’s in it for you?
* Competitive salary: £53,385 to £60,000 per annum, dependent on experience.
* 26 days holiday per year (increasing to 30 with service) plus bank holidays.
* Generous pension scheme through AON.
* Performance‑related pay plan directly linked to company performance measures and targets.
* Access to health MOTs, physiotherapy, counselling, Cycle to Work scheme, 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 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.
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