Wastewater Modeller

Egis is expanding rapidly in the UK, backed by a global team of more than 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience. As part of our fast-growing UK Water team, you will join an agile environment where progression is quick, visibility is high, and your impact is immediate. The UK water sector is entering a period of unprecedented investment and transformation. As Egis accelerates the growth of its Water Business in the UK, we are building a high-performing multidisciplinary team covering a wide range of services including Flood Risk, Civil Engineering, Nature based Solutions and Hydraulic Modelling; we are going to work for clients both in the regulated and non-regulated sectors including water companies, energy providers, developers and local government among others. We are looking for a wastewater modeller to help in delivering and developing our services, mainly for water companies, in relation to urban drainage and sewer modelling, supporting clients and informing their asset investment decisions through their optioneering and detail design phases. This is a rare opportunity to join Egis at a key stage of our UK growth journey, to be part of and help to shape and expand a wastewater modelling capability in the UK, built on Egis’ global infrastructure expertise and long-term commitment to the sector.

Responsibilities

Join our wastewater modelling team bringing your expertise and enthusiasm to help the development of our Infoworks ICM network modelling offer; Work with our teams across the UK, Ireland and France to develop and deliver a range of hydraulic modelling services to our clients, promoting best practice and innovation; Promote the use of blue and green infrastructure in addition to traditional engineering solutions, and champion the use of sustainable drainage systems (SuDS); Provide technical and expert advice to clients, supporting the technical/projects managers in the successful delivery of projects; Support business development opportunities, contribution to tenders and proposals; Collaborate with wider Egis teams to develop market leading and innovative services to our clients; Participate in industry events, seminars and conferences. Showcase Egis technical capability and project experience.

Requirements

Experience developing, verifying and calibrating Infoworks ICM models for wastewater and urban drainage networks; Hydrological assessment and analysis (e.g. FEH, ReFH); BSc/Eng or MSc/Eng in Civil, Water or Environmental Engineering disciplines; Typically 4+ years of experience; Obtained or working towards obtaining professional qualification with CIWEM or similar; Demonstrable client, contractor or consultancy experience in UK Water Sector; Demonstrable knowledge of regulator (e.g. Environment Agency), modelling requirements and technical standards; Hands on, delivery and client focused; Energised with a positive and strong work ethic; Excellent interpersonal, communication and presentation skills; Ability to work in multi-disciplinary and remote teams; Innovative mindset, always looking to improve, automate, streamline, learn and develop; Right to work in the UK

Nice to have

Knowledge of scripting / automation (e.g. Python, Ruby etc) advantageous; Experience with other hydraulic modelling packages would be beneficial e.g. Tuflow, Mike, Flood Modeller Pro; Experience in flood risk modelling, assessment and mapping would also be beneficial

Benefits

An exciting new growth role in a fast-organic growing UK business, offering clear and accelerated career progression; Top Employers 2025 - Egis recognised across four continents for excellence in HR practices, having been awarded the prestigious Top Employer 2025 certification; A global leader in green infrastructure - we're proud to lead the way in sustainable infrastructure, mobility and energy, innovating across the entire value chain and every aspect of the built environment; Highly competitive reward package; Hybrid and flexible working; 26+ days annual leave plus bank holidays; Professional development, chartership support & global mobility; Supportive, inclusive culture driven by sustainability and long-term community impact