Senior Data Analyst

Thames Water Utilities Limited; United Kingdom; Hybrid; GBP 53,000 - 60,000; Full time

Job summary

A leading water utilities company is seeking a Senior Data Analyst to transform complex data into actionable insights. The role involves reporting, data visualization, and supporting data migration to the Azure Cloud. Ideal candidates have advanced SQL expertise, experience with Databricks, and are capable of effectively engaging stakeholders. This position offers a competitive salary, a hybrid working model, and benefits including generous holidays and a pension scheme.

Benefits

26 days holiday plus bank holidays

Generous pension scheme through AON

Access to health MOTs, physiotherapy, and counselling

Cycle to Work scheme and shopping vouchers

Qualifications

• Must have advanced expertise in SQL and experience with Databricks.
• Track record of building reports and dashboards using Power BI.
• Ability to influence operational change through data-driven insights.
• Excellent relationship management with diverse stakeholders.
• Strong knowledge of Azure and PL-SQL.

Responsibilities

• Collect, organize and visualize data using ETL processes.
• Deliver daily reporting and interpret metrics.
• Support data migration to the Azure Cloud.
• Build reports and dashboards using Power BI.
• Conduct scenario modeling and risk analysis.

Skills

Advanced SQL

Databricks

Data Visualisation

Stakeholder Engagement

Azure Data Factory

Job description

Job title Senior Data Analyst Ref 43117 Division Retail Location Hybrid - Walnut Court - SN2 8BN Contract type Permanent Full/Part-time Full-time Hours 36 Salary £53,385 to £60,000 per annum dependent on experience Job grade B Closing date 22/12/2025

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.

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.

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.

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.