Senior Data Analyst

Thames Water Utilities Limited; Swindon; On-site; GBP 53,000 - 60,000; Full time

Job summary

A leading water utility company is seeking a Senior Data Analyst based in Swindon. The role involves transforming complex data into actionable insights and requires strong SQL and Databricks skills. You will be responsible for data visualization and stakeholder engagement to influence operational decisions. The role offers a competitive salary and various employee benefits, emphasizing a commitment to diversity and inclusion.

Benefits

26 days holiday plus bank holidays

Generous pension scheme

Health MOTs and physiotherapy

Cycle to Work scheme

Shopping vouchers

Life assurance

Qualifications

• Must have advanced expertise in SQL, including procedural SQL.
• Proven track record of building compelling reports and dashboards using Power BI.
• Ability to influence operational and strategic change by leveraging insights.

Responsibilities

• Turn complex data into clear, actionable insights.
• Collect, organise, and visualise data using ETL processes.
• Deliver daily reporting and interpret metrics into meaningful insights.
• Support data migration from legacy systems to Azure Cloud.
• Build consolidated reports and dashboards.
• Conduct scenario modelling and risk analysis.

Skills

Strong SQL & Databricks Skills

Exceptional Data Visualisation

Insight-Driven Influence

Stakeholder Engagement

Technical Proficiency

Clear Presentation

Tools

Power BI

Azure

Azure Data Factory

PL-SQL

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 26/11/2025

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 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 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.

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.

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.

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.

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.