Data Modeller

Thames Water; Reading; Hybrid; GBP 46,000 - 55,000; Full time

Job summary

A leading water utility company is hiring a Data Modeller to join their Water Resources team in Reading. The position involves using statistical and computational models to inform strategic water resource decisions. You will analyze complex systems, deliver insights for drought planning, and collaborate with external parties. Ideal candidates have strong Python and R coding skills and a passion for solving environmental challenges. This hybrid role offers a competitive salary of £46,000 to £55,000 per annum and generous benefits.

Benefits

Annual Leave - 26 days holiday per year

Performance-related pay

Generous Pension Scheme

Health and wellbeing benefits

Qualifications

• Demonstrated curiosity and systems thinking about complex water supply systems.
• Proven modelling expertise for operational and strategic decision-making.
• Effective project management and organisational skills.

Responsibilities

• Undertake water resource system analysis and provide expert insights.
• Translate complex technical outputs into clear, actionable insights.
• Collaborate across teams to strengthen technical resilience.

Skills

Strong coding skills in Python

Strong coding skills in R

Analytical and problem-solving abilities

Excellent communication skills

Tools

Pywr

Aquator

GIS

Job description

Overview

Thames Water is offering an exciting opportunity to join our Water Resources team as a Data Modeller, where you’ll help shape how London’s water is managed over the next 100 years. This role is ideal for someone curious about how complex systems work, who enjoys exploring how data and models interact, and is motivated by solving real-world environmental challenges.

As a Data Modeller, you’ll play a vital role in safeguarding future water supplies by using statistical and computational models to analyse and inform strategic water resource decisions across the Thames Water patch. You’ll be part of a team that’s making big calls from drought planning to long-term supply demand strategies, and your insights will help shape how we deliver great water.

Responsibilities

• Undertake water resource system analysis and provide expert insight on solutions to support the maintenance and enhancement of our water supply capability.
• Translate complex technical outputs into clear, actionable insights for non-technical audiences
• Support delivery of key inputs to our Water Resources Management Plan and Drought Plan, including liaising with external parties, such as the Environment Agency, on modelling and analysis as required.
• Collaborate across teams to share expertise and strengthen technical resilience
• Responsible for the provision of water resources data and information, including metrics of deployable output, climate change impact, outage, and headroom outputs to support operations, regulatory reporting, and long-term planning.
• Support the provision of data and information on the status of our water resources and the risk of drought, to enable an analysis of the water supply risk to our customers.
• Use our models to analyse our water resource system performance and help identify and promote the development of our modelling tools and supply-demand assessment methodologies, including influencing those required for the Water Resources Southeast (WRSE) regional planning group.

Qualifications

• Demonstrated curiosity and systems thinking, with a desire to understand how complex water supply systems operate and respond to change.
• Strong coding skills in Python and R.
• Strong analytical and problem-solving abilities, with a critical approach to interpreting data and model results.
• Excellent communication and collaboration skills, able to translate technical findings into clear insights for diverse stakeholders.

Extra qualities

• Proven modelling expertise using Pywr and Aquator, including developing, maintaining, and communicating model outputs for operational and strategic decision-making.
• Proven modelling experience in hydrological and groundwater models.
• Strong GIS skills.
• Sound understanding of water resources regulation and planning frameworks, including how regulatory requirements influence modelling and investment decisions.
• Effective project management and organisational skills, delivering high-quality modelling and analysis work to agreed timelines and standards.

What’s in it for you?

• Competitive salary of between £46,000 and £55,000 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 company 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.

Location & About the role

Location: Hybrid from Clearwater Court, Reading RG1 8DB

Salary: This position pays a salary between £46,000 and £55,000 per annum, depending on experience.

Inclusive and Supportive Environment

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.

Additional Context

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.