Arcadis is the world''s leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world''s most complex challenges and deliver more impact together.Role description:Our Water Management team is seeking a Senior Wastewater Modeller, a role which can be undertaken from any of our offices in England and Wales. In this position, you will lead the development of wastewater models, manage key project aspects, and work closely with clients to build and expand Arcadis''s project portfolio through strategic client interactions. Collaboration, proactive problem-solving, and creative thinking are central to our team''s approach, and will be a fundamental part of your role.Our Water team is at the forefront of tackling some of the UK''s most technically demanding projects and AMP8 programmes. Renowned for our expertise, we work in close partnership with leading water companies and contractors to deliver innovative solutions. Our projects focus on addressing flooding challenges, reducing storm overflow pollution, and improving network resilience, all while ensuring compliance with UK regulatory requirements, such as WINEP, and adhering to industry best practices.This position is perfect for a motivated and independent professional looking