Hydraulic Modeller – Water & Wastewater

Overview

As a wastewater hydraulic modeller at Arup, you will contribute to catchment-scale modelling and design projects across Wales and Southwest England, delivering solutions from feasibility to build. You join a multidisciplinary modelling Centre of Excellence and a local water team focused on sustainable, nature-based solutions. You will develop and apply 1D hydraulic models to reduce flood risk and improve water quality, while engaging with clients and survey partners. This role blends technical modelling with reporting, digital tool development, and on-site project activities to create tangible outcomes for communities.

Pay / Benefits

• Profit Share
• Private medical insurance
• Life assurance
• Accident insurance
• Income protection
• Flexible benefits

Responsibilities

• Deliver wastewater network modelling across the full design process
• Use 1D hydraulic models for risk analysis and solution development (storm overflows, WWTWs)
• Develop catchment survey specifications and manage survey sub-contractors
• Spend time on site during project lifecycle and liaise with clients and field teams
• Create technical reports, hydraulic model builds and analyses, and supporting calculations
• Develop and apply digital tools to enhance, optimise, and automate modelling offerings
• Present modelling outputs to Operations, Asset Management, Environmental, and Modelling teams
• Contribute to business case development and multi-capital economics

Key requirements

• Practical experience with hydraulic modelling in the UK water industry using InfoWorks ICM
• Level 1 UPM water quality modelling experience
• Degree (or equivalent) in Engineering, Geography, Environmental Science, or related field with progress toward chartership
• Proven track record delivering UK water projects in collaboration with public/private sector clients and regulators
• Right to work in the UK (visa sponsorship not available)

• Stakeholder management
• Team collaboration and cross-functional teamwork
• Strong written and verbal communication
• InfoWorks ICM
• 1D hydraulic modelling
• Catchment modelling and survey specification

…