Senior GIS Analyst

As a Senior GIS Analyst, you’ll play a key role in supporting our frontline wastewater delivery teams by turning complex data into clear insights that drive real operational improvements. You’ll use GIS and spatial analysis to help us understand how our infrastructure assets are performing, where the risks lie, and how we can optimise them. Your analytical expertise will directly contribute to improving our environmental and regulatory performance, helping us make informed, data-driven decisions.

Please note, the internal title of this role is Senior Performance & Risk Analyst.

What you'll be doing as a Senior GIS Analyst

• Be recognised as the go-to expert for advanced geospatial analysis and operational insight, helping teams make data-driven decisions.
• Lead complex analysis that drives strategic change and influences both internal and external stakeholders.
• Develop, maintain, and deliver geospatial data models and reports that provide accurate, trusted insight and measurable improvements.
• Take ownership of key reporting, ensuring quality, relevance, and clear commentary that supports operational and business objectives.
• Analyse the performance and behaviour of wastewater network assets, identifying trends and risks and sharing findings through clear visualisations and insight.
• Use your data expertise and operational understanding to design interventions that improve asset performance and reduce risk.
• Define and improve processes, monitor data quality, and maintain automated data pipelines used by teams across the business for key performance and investment decisions.

Base location: Reading, Clearwater Court RG1 8DB

What you should bring to the role

• Strong geospatial analytical background, with expert knowledge of spatial tools (ESRI ArcGIS and FME).
• Proficiency in data visualisation and analysis using tools like Power BI and Excel or similar.
• Knowledge and capability in a wide variety of additional analytical tools (e.g. SQL, Python, PySpark, Databricks and Azure).
• Able to support the development and technical progression of others within the team.
• Several years of relevant business or technical experience.
• Attention to detail, plus the ability to understand the wider context of analytical tasks.
• Good communication skills and a self-driven approach to work.
• Excellent IT skills - relevant industry-specific tools (e.g. InfoAsset)
• Bachelor's or Master's degree in GIS, Geography, or a related field is desirable.

What’s in it for you?

• Competitive salary £52,480 per annum.
• 26 days holiday per year, increasing to 30 with the length of service. (plus bank holidays)
• Performance-related pay plan up to 10% of salary.
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of yourself 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 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.