Master Data Analyst

As a Master Data Analyst, you will report to the Master Data Manager and play a pivotal role in delivering Thames Water’s Master Data initiatives. You will work closely with business stakeholders to ensure critical data is accurate, consistent, and governed in line with company policies.

You’ll be central to building and maintaining a single trusted view of core data (the “golden record”) using our Profisee MDM tool. If you bring experience with other MDM platforms, training will be provided through the Profisee Academy.

What you’ll be doing as a Master Data Analyst

• Data Analysis & Insight – apply analytical skills to interrogate large datasets, identify trends, and generate insights that improve business decision-making.
• Master Data Modelling – profile source data, design and maintain data models that align with business processes.
• Data Quality – define and apply data quality rules, run profiling and exception reports, and work with stakeholders to resolve issues.
• Matching & Survivorship – configure matching rules and survivorship logic to ensure precision in golden records.
• Relationships & Hierarchies – define entity relationships, hierarchies, and workflows within the MDM system.
• MDM Operations – manage ingestion, mapping, and implementation of business rules in Profisee.
• Reporting & KPIs – build and support dashboards and reports to measure data quality, track KPIs, and monitor stewardship activity.
• Collaboration – work with Data Owners, Stewards, IT teams, and external vendors to embed governance and deliver measurable value.

Base location – Clearwater Court – Hybrid  
Full Time – 36 hours per week

What you should bring to the role:

• Strong analytical skills – ability to interrogate data, uncover patterns, and translate findings into actionable insights.
• MDM experience – prior experience with Profisee or another MDM platform.
• Data Quality skills – experience in designing and applying rules, running profiling, and managing remediation.
• Technical proficiency – strong SQL skills and familiarity with data management/BI tools (e.g. Power BI, Databricks, Excel).
• Problem-solving ability – confident in identifying root causes of data issues and proposing effective solutions.
• Collaboration – excellent communication skills to engage with both technical and business stakeholders.

What’s in it for you?

• Competitive salary up to £65,000 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.

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 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.

So, 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.

Our overarching aim is to ensure that Thames Water is 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.

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.