Principal Flood Modeller

Overview

In this role, you are a senior technical resource in the Water team, guiding junior staff and expanding the offering to public, private, and regulatory clients. You will deliver high-quality flood modelling and hydrology work, spanning both water quality modelling and hydraulic simulations for flood risk management.

You’ll lead modelling studies, contribute to tenders, and foster cross-disciplinary collaboration to support infrastructure projects and regulatory compliance. The role combines technical delivery with mentoring, client engagement, and continuous learning in a dynamic, deadline-driven environment.

Pay / Benefits

• hybrid working model
• career development opportunities
• AECOM University
• volunteering days
• comprehensive benefits package
• flexible working arrangements

Responsibilities

• Develop and check hydraulic models using Flood Modeller, TUFLOW, Mike 11/21, HEC-RAS, and ICM to support Flood Alleviation Schemes and Flood Risk Assessments
• Develop water quality models using standard software such as MIKE, Delft3D, SIMCAT and/or ICM
• Conceptualise and scope modelling approaches considering risks and opportunities
• Undertake and check hydrological assessments (e.g., Flood Estimation Handbook, ReFH2, WINFAP)
• Lead and contribute to tenders from innovative projects to framework contracts
• Mentor team members to support professional development
• Build client and cross-disciplinary relationships
• Stay updated on legislation/guidelines affecting services
• Use project management systems to deliver outputs on time and on budget
• Collaborate with clients and engineers on flood risk, fluvial, coastal, surface water and drainage 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 risk assessments
• Basic understanding of physico-chemical water quality and regulatory standards for freshwater
• Strong written and verbal communication skills
• Bachelors degree in Civil Engineering or equivalent
• Professional qualification with CIWEM or similar (obtained or near to obtaining)
• Scripting knowledge (Python, Anaconda, Ruby) advantageous
• Self-motivated, autonomous working style in a deadline-driven environment
• Strong communication (written and verbal)
• Mentoring and coaching
• Client relationship building
• Hydraulic modelling (Flood Modeller, TUFLOW, Mike 11/21, HEC-RAS, ICM)
• Water quality modelling (MIKE, Delft3D, SIMCAT)
• Hydrological assessment methods (FEH, ReFH2, WINFAP)

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