Associate Flood Forecasting Modeller

Overview

In this role, you will lead senior technical work on real-time flood forecasting and non-real-time hydrology projects within a collaborative Water team. You will shape models, assess data quality, and deliver high-quality reports while supporting client tenders and professional development. Your work supports flood risk management for public bodies and private clients, contributing to safer, more resilient communities. This is a chance to impact water infrastructure at scale, with strong mentorship and cross-disciplinary collaboration.

Pay / Benefits

• competitive salary
• comprehensive benefits package
• hybrid working model
• career development opportunities
• AECOM University
• volunteering days

Responsibilities

• Produce and review Flood Forecasting Inception Stage Reports and assess model and data quality
• Develop, calibrate, and validate flood forecasting models (e.g. PDM, Flood Modeller)
• Conduct non-real-time modelling and hydrological analyses using tools such as Flood Modeller, ICM, HEC-RAS, MIKE 11, FEH methods
• Generate and review high-quality technical reports documenting model builds and uncertainties
• Lead and contribute to tenders for key clients
• Mentor and support team members’ professional development
• Build relationships with clients and colleagues across disciplines
• Stay updated with relevant legislation and guidelines
• Use AECOM’s project management systems to deliver outputs on time and budget
• Collaborate within a 600–700 strong Water team across UK & Ireland

Key requirements

• Significant experience in flood forecasting modelling (Flood Modeller)
• Strong knowledge of Environment Agency requirements for Incident Management Forecasting Systems
• Proven ability to apply and calibrate hydrological models (e.g. Muskingum-Cunge, PDM)
• Excellent analytical skills with hydrometric data processing experience
• Bachelor’s degree in Civil Engineering or related discipline
• Strong GIS skills (QGIS, ArcGIS and/or MapInfo)
• Scripting knowledge (Python, Anaconda, Ruby, or similar) a plus
• Self-motivated with ability to work autonomously in a deadline-driven team environment

• cross-functional collaboration
• mentoring and supporting others
• strong communication of technical concepts
• Flood Modeller
• ICM
• HEC-RAS

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