Principal Wastewater Hydraulic Modeller

RPS Group Plc; Cardiff; Hybrid; GBP 63,000 - 75,000; Full time

Job summary

A leading water consultancy in the UK is seeking an experienced Principal Wastewater Modeller to lead projects focused on urban drainage and wastewater solutions. This role involves managing project health, safety, and quality, while developing strategies for hydraulic modelling. The ideal candidate will have a relevant degree, urban drainage experience, and proficiency in InfoWorks ICM and MS 365 applications. A hybrid working model is standard, ensuring a balance between work and life commitments.

Benefits

Flexible work arrangements

Collaborative environment

Qualifications

• Experience in urban drainage projects and technical leadership.
• Proficiency in InfoWorks ICM.
• Strong knowledge of water industry regulations.
• Excellent communication and interpersonal skills.
• Proficiency in MS 365 applications.
• Familiarity with GIS and analytical tools.

Responsibilities

• Manage health, safety, quality, and environmental aspects of projects.
• Develop wastewater catchment strategies including hydraulic modelling.
• Ensure quality outputs and compliance with standards.
• Oversee commercial performance and risk management.
• Produce bids and proposals.
• Lead a team to maintain strong client relationships.

Skills

Urban drainage experience

Technical leadership

Excellent communication

Proficiency in InfoWorks ICM

Knowledge of water regulations

Proficiency in MS 365 applications

Education

Degree in a relevant technical field

Postgraduate degree preferred

Tools

InfoWorks ICM

Excel

PowerBI

GIS systems

Job description

We're looking for experienced Principal Wastewater Modellers to join our dynamic and growing Water Consultancy team operating across the UK. Working at Principal level, you will have the opportunity to lead the development of new teams to work on our exciting AMP8 and AMP9 projects, ensuring exceptional water services in a collaborative environment. Locations: London, Leeds, Newcastle, Sheffield, Derby, Manchester, and Warrington. We support flexible work to help you balance life and work, while encouraging collaboration. That's why hybrid working is our standard. About Us: RPS, Tetra Tech are actively engaged in several long-term wastewater programmes across the UK water industry, helping our clients address major pollution and flooding challenges. As part of these programmes our wastewater consulting team undertake a broad range of projects including urban drainage and water quality modelling studies; WINEP, SOAF, DWMPs and catchment investment planning; and the development of engineering solutions from feasibility through to outline and detailed design.

Responsibilities

• Manage health, safety, quality, and environmental aspects of projects.
• Develop and deliver wastewater catchment strategies and solutions, including hydraulic modelling and analysis.
• Ensure quality outputs and compliance with standards and governance requirements.
• Oversee commercial performance, forecasting, and risk management.
• Produce bids and proposals.
• Lead a team to maintain strong client relationships and manage project team members.
• Drive continuous improvement of tools and processes for efficiency and innovation.
• Travel to client sites or other RPS/Tetra Tech offices as needed.

Job Description

Are you ready to take the next step in your career? Do you want to do meaningful work that improves quality of life? At Tetra Tech, you will work with high‑performing teams who are passionate about using their expertise to find solutions to complex problems. Design Manager – Water | Midlands & South West Location: Midlands or South West (Hybrid Working) Salary: up to £75,000, dependent on experience Ever wondered what it's like to lead projects that shape how communities access clean, sustainable water? Want to drive…

Qualifications

• Experience in urban drainage projects and technical leadership in wastewater catchment planning.
• Proficiency in InfoWorks ICM.
• Strong knowledge of water industry regulations and legislation.
• Excellent communication and interpersonal skills.
• Proficiency in MS 365 applications, including advanced Excel, PowerBI, and SharePoint.
• Familiarity with GIS systems (MapInfo, ArcGIS, QGIS) and tools like FME, Optimatics, or Python is a plus.
• Degree in a relevant technical field (postgraduate preferred).
• Chartered or working towards chartership.
• Affiliation with a professional institution (CIWEM, ICE, IWater) is desirable.

Company Description

Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are …