Overview

We have in-depth knowledge of water and wastewater AMP8 frameworks and Environment Agency programmes, and we partner with a wide range of clients including water utilities, engineering consultancies, and Design & Build contractors. We are currently seeking Wastewater Modellers at all levels – from Graduate through to Principal – to join leading consultancies across the UK.

Locations

Opportunities are available nationwide, with particular demand in Exeter, Bristol, Cardiff, Reading, London (and surrounding areas), Haywards Heath, Brighton, Birmingham, Peterborough, Derby, Sheffield, Leeds, Manchester, Warrington, Liverpool, Newcastle, Edinburgh, Glasgow, and Belfast. Remote working opportunities are also available.

Role overview

As a Wastewater Modeller, you will play a key role within our clients’ hydraulic modelling teams, supporting major engineering projects across wastewater networks, integrated catchment management, flood alleviation, SuDS, and stormwater management. Our clients deliver a diverse range of projects for UK water companies, the Environment Agency, Lead Local Authorities, and international partners.

Responsibilities

• Developing options and solutions, building, calibrating, and verifying complex hydraulic models
• Hydraulic and water quality analysis, including catchment hydraulics and pollutant source assessment
• Integrated catchment modelling – evaluating interactions between sewers, watercourses, and overland flows
• Supporting delivery of Storm Overflow Assessment Framework (SOAF) and Water Framework Directive (WFD) programmes

Candidate requirements

• Degree in a relevant discipline (e.g. Civil Engineering, Geography, Water & Environmental Engineering, Hydraulics)
• Experience in urban drainage / wastewater network modelling
• Proficiency in hydraulic modelling software such as Infoworks ICM
• Understanding of UK water industry legislation, policy, and regulatory requirements
• Strong analytical, written, and verbal communication skills

Senior and Principal roles

• Chartered (ICE / CIWEM) or working towards accreditation
• Proven track record in business development, client and project management, and/or team leadership

What’s in it for you?

• Increased salary – Expert benchmarking to ensure you are paid competitively
• Improved benefits – Access to roles offering enhanced packages (e.g. pension, bonuses, flexible working, medical cover, 9-day fortnights)
• Career progression – Opportunities for training, Chartership mentoring, and leadership development
• Challenging projects – Exposure to flagship frameworks, innovation, and team growth opportunities
• Work-life balance – Flexible hours, hybrid/remote options, or relocation support
• Positive culture – Supportive, inclusive, and collaborative working environments

We work openly and transparently, offering honest advice with a no-pressure approach. All conversations are strictly confidential. If your concerns can be resolved with your current employer, we’ll even guide you on how to approach that discussion.

Next steps

If you’d like to explore current wastewater modelling opportunities suited to your skills and experience, please contact:

Alex Shaw (Lead Principal Consultant) at Advance TRS

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.