Principal / Associate Director Wastewater Hydraulic Modeller

You might know us for the great work we do across a wide range of projects. We’re proud to say it’s thanks to our people’s diversity of thought, expertise, and knowledge, and when you join us, you’ll be part of a genuinely collaborative environment where everyone’s voice is valued and treated equally. Our collaborative and multi-disciplinary team is one of the largest in the UK, providing water and wastewater infrastructure services alongside drainage design, SuDS, and surface water management. Our clients span across the UK and internationally, including water companies, local authorities, highways/rail authorities, and developers. It is an exciting time to be working for our UK Water business with unprecedented investment in the water industry. Due to continued framework successes, we seek to recruit a Principal / Associate Director Wastewater Hydraulic Modeller to join our Wastewater Team in Bristol/Cardiff to lead one of our hydraulic modelling frameworks for a leading UK Water Company. We aren’t just engineers, environmental professionals, or consultants. We’re pioneers, constantly innovating and pushing boundaries to tackle the world’s most pressing challenges—especially when it comes to water. From enhancing our rivers and urban landscapes to building sustainable cities in harsh environments, our Networks & Drainage Solutions (N&DS) team is at the forefront. We’re developing enhanced training courses to accelerate our staff’ resource capability, creating great futures for both new and experienced colleagues. The opportunities to grow as an individual are immense. Lead Storm Overflows Discharge Reduction Plan, flood alleviation, and environmental solution development projects. Lead model build, model maintenance, and verification projects. Ensure quality of outputs and compliance with standards & specifications. Drive continuous improvement in project delivery. Manage and/or support project managers to manage projects and programmes of works. Supervise and develop staff, providing guidance to support their professional development. Understanding of the UK Water industry and regulatory issues. Proven track record in coordinating and delivering technically excellent projects. Expertise in hydraulic modelling, catchment planning, and solution development. Ability to review others’ work to provide quality assurance and drive continuous improvement. Expertise in MS 365 applications and knowledge of PowerBI and SharePoint. Experience with software such as FME, Optimatics, Ruby (or similar) would be advantageous. Explore the rewards and benefits that help you thrive at every stage of your life and career. Enjoy competitive salaries, employee rewards, and a broad range of benefits you can tailor to suit your health, wellbeing, financial, and lifestyle choices. Take advantage of abundant training and professional development opportunities, and combine our hybrid working culture with flexible holiday allowances to balance a great job with a fulfilling personal life. We’re AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data, and technology to transform the world’s infrastructure and energy systems. Together with our industry partners and clients, and our global team of consultants, designers, engineers, and project managers, we can change the world. This role may require security clearance, and offers of employment will be dependent on obtaining the relevant level of clearance. If applying to this role, please do not reference or include any current or previously held security clearance details in conversation, application, or CV. We offer a range of family‑friendly, inclusive employment policies, flexible working arrangements, and employee resource groups to support all employees.