Senior Modeller - UK Water​/Wastewater

Water Hydraulic Modeller – Egis – UK

Location:

London, Bristol, Manchester (Hybrid)

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 Civil Engineering and Hydraulic Modelling team to help shape this next chapter.

We are inviting expressions of interest from talented civil engineers and hydraulic modellers at all levels, from Consultant through to Associate Director, who want to play a meaningful role in delivering major water and wastewater programmes. Working within a collaborative, multidisciplinary environment, you will contribute to technically robust, sustainable and innovative treatment solutions across nationally significant projects.

• Work with our teams across the UK, Ireland and France to develop and deliver a range of hydraulic modelling services to our clients
• Provide technical and expert advice to clients, manage and deliver projects
• Support business development opportunities, contribution to tenders and proposals,
• Develop and maintain relationships with clients, partners and stakeholders
• 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.

• Experience developing, verifying/calibrating and checking 1D and 2D hydraulic models
• Knowledge of working with integrated models (network/open channel/surface) and modelling to support DAPs
• Good understanding of hydrological assessment and analysis
• Flood risk modelling, assessments and mapping
• Interest in and knowledge of water quality models, which could include physio-chemical, biological, bacterial or chemical
• Experience using standard industry software in the UK e.g. Info Works ICM, Flood Modeller, HEC‑RAS, TUFLOW, MIKE, Delft3D, SIMCAT

• 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

• BSc/Eng or MSc/Eng in Civil, Water or Environmental Engineering disciplines
• 5‑10 years of experience
• Obtained or near to 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
• Knowledge of scripting / automation (e.g. Python, Ruby etc) advantageous

Please note that you must have the right to work in the UK to be considered for this position.

• 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. Top Employers Institute is the global authority on recognising excellence in people practices.
• 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

We are an Equal Opportunities employer and we strive to build a workforce that truly reflects the communities we represent. We welcome candidates from all backgrounds, regardless of age, disability, gender, gender identity, gender expression, race, religion or belief, sexual orientation, socioeconomic background, and any other protected characteristic. If you decide to apply for an opportunity with us, your application will be assessed based purely on your experience, the essential and desirable criteria, and your suitability for the role.

We value each and every one’s contribution as this builds our culture and means that if you work with us, you will be included, listened to, and respected.