Senior Data Analyst

Pertemps; England; Hybrid; GBP 53,000 - 60,000; Full time

Job summary

A leading water company in the UK is seeking a Senior Data Analyst to transform complex data into actionable insights that support operational decisions. The ideal candidate will have strong SQL and Databricks skills, excellent data visualization capabilities, and a proven ability to engage with stakeholders. This role offers a competitive salary between £53,385 to £60,000 and a hybrid working model.

Benefits

Competitive salary

26 days holiday

Pension scheme

Health MOTs

Cycle to Work scheme

Life assurance

Qualifications

• Advanced expertise in SQL, including procedural SQL.
• Proven track record of building compelling reports and dashboards.
• Ability to influence operational and strategic change with data.

Responsibilities

• Collect, organise, and visualise data using ETL processes.
• Deliver daily reporting and interpret metrics into meaningful insights.
• Build consolidated reports and dashboards using Power BI and SQL.

Skills

SQL

Databricks

Data Visualization

Stakeholder Engagement

Technical Proficiency in Azure

Python (desirable)

Tools

Power BI

Azure Data Factory

PL-SQL

Job description

At Thames Water, we make a daily difference to 15 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 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 Azure Cloud.
• Build consolidated reports and dashboards using Power BI and SQL.
• Conduct scenario modelling and risk analysis.
• Collaborate across departments to improve data capture and reporting.
• Influence operational decisions through expert advice and insight.

Base Location: Hybrid/Swindon

Working pattern: Full time – 36 hours

What you should bring to the role

• Strong 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.
• Access to health MOTs, physiotherapy, counselling, Cycle to Work scheme, 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.

Learn more about our purpose and values

Our overarching aim is to ensure that Thames Water is a 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.

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. This sustainable and successful career will support you every step of the way, and 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.