Senior Associate Wastewater Specialist

CompanyOfwat

LocationLondon Area, United Kingdom

Posted At3/4/2026

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Specialist medical practitioners

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Description

Join Ofwat’s Wastewater Cost Assessment Team as a Senior Associate Wastewater Specialist

This vacancy has two roles available.

*Office Location: London (E14 4HD) or Birmingham (B5 4UA) with hybrid working*

About Us

We are Ofwat, the Water Services Regulation Authority, a non-ministerial government department responsible for regulating the water sector in England and Wales. Following the Independent Water Commission’s final report, the UK government has set out a bold new direction - one that brings together expertise from across the sector to deliver better outcomes for customers and the environment.

We are working in collaboration with the government and other regulators to help establish a new body for England, combining our strengths with those of the Drinking Water Inspectorate, the Environment Agency, and Natural England. We’re also continuing to engage with the Welsh Government to support future decisions for Wales.

While these changes take shape, our mission remains the same: to hold water companies to account, drive performance, and ensure the sector delivers real value for customers, communities, and the environment. If you’re passionate about making a difference, this is a unique moment to join us and help shape the future of water, and together we can continue to make a positive impact.

The Role

The Senior Associate – Wastewater Specialist role has an important and valuable contribution to enable us to deliver on our goals and regulatory commitments.

We are looking for two Senior Associate, Wastewater specialists (previous experience could include wastewater hydraulic modeller, engineer, scientist, asset manager or data analyst) to join our Wastewater Cost Assessment Team. We are particularly interested in candidates that have strong data analysis skills. Experience in one or more of the following areas would also be beneficial:

Wastewater treatment
Storm overflows
Drainage and Wastewater Management Plans
Bioresources and Sludge treatment
Asset Health strategies, planning maintenance and capital investment programs.

The roles will work across several key areas of cost assessment, which could include:

Engaging with water companies, other regulators, and wider stakeholders throughout the delivery of PR24.
Assessing elements of companies' delivery plans and expenditure tracking for the PR24 wastewater and bioresources program. This includes the assessment of specific areas of wastewater enhancement expenditure, such as investment to address storm overflows, nutrient removal, resilience enhancement, flooding, river monitoring and sludge management activities.

Supporting the planning process and policy development of the approach for cost assessment in relation to wastewater and bioresources.

Assessing elements of company business plans. This includes the assessment of specific areas of water enhancement expenditure such as investment to deliver environmental improvements.

Applying of a range of data analysis and investment appraisal techniques including development of benchmarking models and undertaking detailed reviews of company proposals.

About You

Below are some of the key essential experience, skills & knowledge required for this post:

Lead criterion: Technical experience in sewerage network, wastewater treatment or bioresources within engineering, science, capital programmes, asset management and/or business planning.
Lead criterion: Graduate qualification and/or equivalent professional experience in engineering, science, data analyst or similar technical specialism.
Numerate with analytical skills, including experience of analysing and accurately interpreting a range of data and insights to inform evidence-based decisions and solutions for complex problems.

Experience in supporting the design and delivery of procedures and processes.

A high level of technical competency, including the ability to work autonomously, without detailed supervision.

Proven ability to solve complex analytical problems, and the ability to present the results to both technical and non-technical audiences.

Excellent written and oral communication skills, which you can use to persuade both internal and external stakeholders.

Why You Should Join Us

People Centric: Our people are at the heart of Ofwat and everything we do - we ensure all voices are heard and treat each other with respect; you'll be given the autonomy and the support to do your role in the best way.
Innovative Work Environment: We embrace agile and new ways of working and have a culture build on trust, flexibility, and collaboration.
Development Opportunities: Gain valuable experience and develop your skills in a supportive and dynamic setting.
Work-Life Balance: Enjoy the flexibility of working from home combined with the benefits of in person collaboration in our Birmingham and London offices.

Excellent employer pension contributions of nearly 29%.

25 days’ annual leave, increasing to 30 with each year of service, plus bank holidays and an extra 2.5 days of privilege leave.

Access to exclusive discounts on a variety of goods and services, including retail outlets, theatre tickets, holidays, insurance, and a gym membership.

Fees paid for membership of relevant professional bodies.

Up to 3 volunteering days per year.

Recognition vouchers scheme rewarding your hard work.

Generous shared parental leave and pay supporting your family life.

Follow the link to apply for full details about the role. Please ensure you have submitted your application in full before the below deadline.

Closing date: 23.55 on 25 March 2026