Senior Hydrologist

Overview

As a Senior Hydrologist in the Water Team, you will lead hydrological assessments to inform flood risk management and infrastructure planning. You’ll work with cross-disciplinary experts across the UK and internationally to deliver robust flood modelling, water resources strategy, and environmental permitting support. You will apply FEH-based methods, supervise model calibration, and produce high-quality technical reports. This role blends technical leadership with client engagement and continuous learning in a dynamic, hybrid environment.

Pay / Benefits

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

Responsibilities

• Produce flood hydrological assessments to support flood alleviation schemes and flood risk mapping
• Apply FEH guidelines to derive flood flows for diverse catchments in England
• Produce high-quality technical reports for projects and clients
• Use ArcGIS Pro and QGIS to support analyses and deliverables
• Conduct technical reviews of hydrological assessments within AECOM
• Build and maintain client relationships across multidisciplinary teams
• Keep abreast of methodological developments and share them with the team
• Contribute to the national hydrology community and project frameworks

Key requirements

• Experience estimating flood flows using FEH and REFH2
• Strong understanding of statistical hydrological analysis
• Experience calibrating hydraulic models with hydraulic modellers
• Experience in rating reviews
• Bachelors degree in Civil Engineering or relevant discipline
• Working towards Chartered member of ICE or CIWEM
• Strong GIS skills (QGIS, ArcGIS, MapInfo)
• Scripting knowledge (R, Python, Anaconda, Ruby) advantageous
• Willingness to work in a deadline-driven team environment
• Self-motivation and autonomous working style
• Client relationship skills
• Collaborative and cross-disciplinary communication
• FEH/REFH2 flood flow estimation
• Hydrological data analysis
• Hydraulic model calibration and review

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