Power BI Specialist

The Power BI Specialist will collaborate with various stakeholders to gather requirements, design data solutions, and deliver intuitive and interactive dashboards and reports.

This role requires a deep understanding of data analysis, modelling, and transforming complex data into meaningful insights to support informed business decisions.

What you’ll be doing as a Power BI Specialist

• Collaborate with business stakeholders to understand data needs and reporting requirements.
• Create and maintain interactive and visually appealing dashboards, reports, and data visualisations using Power BI.
• Maintain and develop complex RLS logic in Power BI.
• Develop data models, measures, and calculations to provide actionable insights using DAX, and SQL.
• Implement dynamic filters, slicers, and drill-down capabilities for enhanced user experience.
• Analyse and document data sources, data structure, and data quality considerations.
• Ensure data accuracy, completeness, and consistency across all reports and dashboards.
• Conduct thorough testing to validate data accuracy and performance.
• Communicate insights and findings effectively to both technical and non-technical audiences.
• Identify and implement strategies to improve Power BI report performance and responsiveness.

Base location: Hybrid – Clear Water Court, Reading

Requirements for the role: MUST have experience using Power BI

What you should bring to the role

As a People Data Specialist, you’ll turn workforce data into actionable insights that drive real organisational impact. Using Power BI, DAX, and RLS, you’ll deliver secure, high-quality reporting and collaborate across teams to shape data-led HR strategies.

Essential:

• Significant work experience in Power BI is essential.
• Strong proficiency in Power BI RLS.
• Substantial experience in data analysis and data modelling.
• Good understanding of SQL database design principles.
• Excellent problem-solving skills and attention to detail.
• Strong communication and interpersonal skills.
• Ability to work both independently and collaboratively in a team environment.

Nice-to-haves that would make you stand out:

• Experience with Power Automate is a plus.
• Bachelor’s degree in computer science, Information Technology, or a related field.

What’s in it for you?

• Competitive salary up to £45,000 per annum depending on experience.
• Annual Leave – 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• Performance‑related pay plan directly linked to both company and individual performance measures and targets.
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of you 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.

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.

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.