> Markdown version of [/jobs/ext/1496149-principal-wastewater-modeller](https://www.wearedevelopers.com/jobs/ext/1496149-principal-wastewater-modeller). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Wastewater Modeller - **Company:** Advance TRS Ltd. - **Location:** Leeds, UK - **Contract:** Permanent contract - **Skills:** ArcGIS (Software), MapInfo Pro - **Published:** July 30, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/42405737/ ## About the Role Strong experience in wastewater / urban drainage hydraulic modelling. Proven experience building and verifying integrated catchment models using InfoWorks ICM. Strong practical experience with InfoWorks ICM hydraulic modelling software. Experience using GIS packages such as ArcGIS, MapInfo or equivalent. A track record of mentoring and supporting less experienced modellers. Strong communication skills and the ability to work effectively with clients and multidisciplinary teams. The ability to manage technical delivery independently and take ownership of project outcomes.For Principal-level appointments, candidates should also demonstrate: Experience leading urban drainage modelling projects or technical disciplines. Experience managing modelling teams and project resources. Commercial awareness, including project financial management. An understanding of the UK water market and an interest in business development and client development. Chartered status with an appropriate professional institution such as ICE or CIWEM, or be close to achieving chartership. Desirable Experience The following would be advantageous: Water quality modelling experience. Experience undertaking UPM studies. Broader experience across wastewater and urban drainage modelling. Experience developing innovative modelling approaches or technical tools. Experience contributing to bids, proposals or business development activities. Experience working across multidisciplinary engineering and environmental projects. ## Description This is an excellent opportunity for an experienced wastewater modeller to take a leading role in the technical delivery of a varied programme of urban drainage and hydraulic modelling projects. The successful candidate will work across a range of challenging and technically interesting schemes, with the opportunity to develop their expertise, lead project delivery and contribute to the development of less experienced modellers. The role is particularly suited to someone with strong InfoWorks ICM experience who is looking for increased technical responsibility, project leadership and, at Principal level, the opportunity to contribute to the growth and development of the wider team. The Role Working as part of an established urban drainage modelling team, responsibilities will include: Leading the technical delivery of wastewater and urban drainage modelling projects. Building, verifying and developing integrated catchment models using InfoWorks ICM. Undertaking hydraulic modelling to support feasibility studies, option development and solution design. Managing technical deliverables, project milestones, quality assurance and agreed methodologies. Working directly with clients and their technical teams to understand requirements and deliver appropriate modelling solutions. Providing technical guidance, mentoring and training to junior and developing modellers. Supporting the development of improved modelling processes, methodologies and technical tools. Contributing to projects across both the public and private sectors. Managing project costs, resources and programmes in line with agreed deliverables. Taking responsibility for technical quality and ensuring projects are delivered to a high standard.The wider project portfolio may include: Integrated catchment modelling Wastewater network modelling Urban drainage studies Surface water management Development impact assessments Model build and verification Feasibility and option appraisal Solution development and design ## Related Videos - [Wardley Maps for Software Developers](https://www.wearedevelopers.com/videos/665-wardley-maps-for-software-developers) - [Times of (climate) crisis - How and why sustainable software is a must!](https://www.wearedevelopers.com/videos/988-times-of-climate-crisis-how-and-why-sustainable-software-is-a-must) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Kettle and Pot or Peas in a Pod? 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