Continuous Water Quality Monitoring Senior Data Analyst

Thames Water Ltd; Reading; Hybrid; GBP 54,000 - 65,000; Full time

Job summary

Thames Water is seeking a Continuous Water Quality Monitoring Senior Data Analyst to join the Strategy & External Affairs division on a hybrid basis at Clearwater Court. This fixed term/secondment role (13–18 months) focuses on analysing CWQM data, delivering insights, and ensuring regulatory compliance in support of capital and operational planning.

The role requires expertise in river water quality data interpretation, report writing, and field sampling experience, with a degree in Science or

Qualifications

• Experience analysing river water quality data and interpreting results.
• Ability to write concise scientific reports on water quality.
• Field experience with sampling, monitoring, and equipment installation.
• Degree in Science, Engineering, or a related field is required.

Responsibilities

• Analyse and interpret complex, multiparameter river water quality data alongside asset and catchment data.
• Communicate environmental impact of wastewater discharges using CWQM data.
• Condense detailed reports into concise summaries for stakeholders.
• Promote the CWQM programme and ensure data is understandable and actionable.
• Collaborate with System Modelling and Insight teams to integrate CWQM with modelled data.
• Support strategic planning teams with evidence for investment prioritisation.
• Engage with Environmental Agency teams and external stakeholders to share knowledge.

Skills

River water quality data analysis

Scientific report writing

Field experience in water quality

Education

Degree in Science/Engineering or related field

Job description

Job title Continuous Water Quality Monitoring Senior Data Analyst Ref 46290 Division Strategy & External Affairs Location Hybrid - Clearwater Court - RG1 8DB Contract type Fixed term/Secondment Full/Part-time Full-time Hours 36 Salary From £53,910 to £65,000 per annum Job grade B Closing date 26/11/2026

As the UK’s largest water and sewerage company, we are taking action for a new world of water - fixing the problems of today and building resilience for tomorrow. A key part of this is understanding the impact our operations have on the environment and using this to target and minimise them.

The CWQM team will be responsible for the delivery, management, data collection, interpretation, visualisation, and communication of data insight related to CWQM. The position holder will be part of this team and responsible for analysing and interpreting the CWQM data.

What you’ll be doing as a Continuous Water Quality Monitoring Senior Data Analyst

Data analysis, interpretation and insight

• Analyse and interpret complex, multiparameter river water quality data alongside asset and catchment data.
• Be a Subject Matter Expert (SME) responsible for understanding and communicating the environmental impact of our wastewater discharges using CWQM data and how we can measure impact in relation to existing standards.
• Condense and simplify detailed reports into summary reports that can be easily interpreted and shared with internal and external stakeholders.
• Promote the continuous water quality programme internally and ensure the data can be easily understood and communicated.
• Work closely with System Modelling and Insight to share knowledge and use the CWQM data alongside modelled data to gain a greater understanding of the impact of our assets.
• Support the strategic planning teams and provide evidence to help inform and prioritise future investment.
• Support the strategic planning teams and provide evidence to help inform and prioritise future investment.
• Work closely with the Environmental Engagement team and support Catchment Partnership meetings from a technical perspective as a SME where appropriate.
• Work with external stakeholders to gather local knowledge to aid data interpretation.
• Work closely with the Environmental Agency, in particular the local EA teams to hold knowledge share sessions to gain a better understanding of the impact of our assets and other potential sources of pollution.

Deliver the CWQM programme and meet the regulatory requirements

• The Senior Data Analyst will have an excellent understanding of the regulatory requirements associated with this programme.
• Identify and raise any concerns that could potentially result in failure to deliver the CWQM programme or failure to meet the regulatory requirements both in terms of delivering at the required scale and meeting the reporting/data quality requirements.

This is a fixed term contract/Secondment for 13-18 months (Maternity cover)

What you should bring to the role

To thrive in this role, the essential criteria you’ll need is:

• River water quality data analysis and interpretation.
• Scientific report writing related to water quality.
• Field experience related to water quality monitoring / sampling / installation of equipment.
• Degree in Science, Engineering, or a related field.

Extra qualities that would be a great fit for our team:

• GIS / mapping capabilities.
• Regulatory experience related to river water quality and pollution incidents.

What’s in it for you?

• Competitive salary from £53,910 to £65,000 per annum.
• 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.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

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.

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.