Principal & Senior Wastewater Modellers About the Role The team works on some of the most complex and technically demanding water infrastructure projects, collaborating with major water companies and contractors to enhance network resilience, address flooding challenges, and reduce storm overflow pollution. With a strong focus on regulatory compliance, including WINEP, this role requires strategic problem-solving and a proactive approach to delivering best-in-class solutions. This is an excellent opportunity for professionals looking to take the next step in their careers, offering leadership, client engagement, and mentoring opportunities within a dynamic and supportive team environment. Office Locations Opportunities are available across multiple locations, including: Birmingham Bristol Exeter Plymouth Warrington Manchester Cardiff Leeds Guildford CambridgeHybrid working options are also available, offering flexibility to suit individual preferences. Key Responsibilities Deliver wastewater infrastructure and non-infrastructure modelling projects across a range of scales. Conduct technical reviews, oversee model development and verification, and manage survey specifications. Develop strategic solutions to mitigate flooding, improve network performance, and reduce CSO spills. Provide technical input at the concept, outline, and detailed design stages. Ensure high-quality deliverables, including technical reports and presentations. Support and mentor junior team members, fostering professional growth. Assist with bid preparation, including cost estimates, project narratives, and programme development. Manage project resources, quality assurance, subcontractors, and client interactions. Collaborate with multidisciplinary teams to ensure seamless project delivery. Qualifications & Experience Extensive experience in hydraulic modelling for wastewater projects. Strong skills in stakeholder engagement and team coordination. Proficiency in InfoWorks ICM (knowledge of HADES is advantageous). Experience using GIS software for wastewater network analysis. Chartered membership of a relevant professional body (e.g., ICE or CIWEM). Proven expertise in model quality assurance and technical reviews. Excellent report-writing and data analysis skills. Coding experience is desirable but not essential. Employee Benefits Private medical insurance for peace of mind. Life assurance (3x salary) providing financial security. Health income protection to support you when needed. One professional membership subscription covered annually. 25 days holiday Bank Holidays, increasing to 27 days after 5 years of service. Matched pension contribution up to 8%, helping you plan for the future. A range of flexible benefits to suit your lifestyle.This is a fantastic opportunity to contribute to major industry-leading projects while benefiting from a flexible and supportive working environment. If you're looking to advance your career with a consultancy that values innovation, collaboration, and technical excellence, we'd love to hear from you. We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status