Principal Flood Modeller

Overview

In this role you will lead high-profile flood modelling and hydrology projects within AECOM’s Water team, guiding junior staff and expanding offerings for public and private sector clients. You will develop and validate hydraulic and water quality models to support flood alleviation schemes and risk assessments, while mentoring colleagues and building client relationships. You’ll work across diverse projects, stay current with regulations, and contribute to tender opportunities. This role combines technical leadership with meaningful influence on flood risk management across the UK.

Pay / Benefits

• hybrid working
• career development opportunities
• AECOM University
• volunteering days
• flexible working arrangements
• competitive salary and comprehensive benefits

Responsibilities

• Develop and check hydraulic models using Flood Modeller, TUFLOW, Mike 11/21, HEC-RAS and ICM for Flood Alleviation Schemes and Flood Risk Assessments
• Develop water quality models using MIKE, Delft3D, SIMCAT and/or ICM
• Conceptualise and scope modelling approaches considering risks and opportunities
• Perform hydrological assessments including Flood Estimation Handbook, ReFH2 and WINFAP
• Lead and contribute to tenders ranging from innovative projects to framework contracts
• Mentor team members to support their professional development
• Build relationships with clients and other technical disciplines
• Stay up-to-date with legislation and guidelines affecting services
• Use project management systems to deliver outputs on time and within budget
• Collaborate with clients and engineering teams on fluvial, coastal, surface water or drainage flood risk projects

Key requirements

• Significant experience in hydraulic and water quality modelling software (e.g., Mike, ICM, SIMCAT, Flood Modeller, TUFLOW)
• Knowledge of Environment Agency requirements for flood models in FRA work
• Basic understanding of physico-chemical water quality standards for fresh waters
• Strong written and verbal communication skills
• Bachelor’s degree in Civil Engineering or equivalent
• Professional qualification with CIWEM or similar (obtained or near to)
• Practical scripting knowledge (Python, Anaconda, Ruby) advantageous
• Self-motivated with ability to work autonomously and in deadline-driven teams

• Strong communication skills
• Mentoring and staff development
• Client relationship building
• Flood Modeller
• TUFLOW
• Mike 11

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