Principal Hydraulic Modeller - Flood Risk

Overview

In this role you lead hydraulic modelling and hydrology work within AECOM’s Water Team, guiding method development and delivering high‑quality, cost‑effective projects. You act as a senior technical advisor, mentor junior staff, and shape outcomes across multidisciplinary water schemes. You’ll work with cross‑functional teams to drive innovation and ensure delivery aligns with client needs and programme goals. This is a chance to influence large, impact‑driven water projects and contribute to a globally connected, inclusive engineering culture.

Pay / Benefits

• flexible hybrid working
• career development opportunities
• AECOM University
• volunteering days
• comprehensive benefits package
• wellbeing programs

Responsibilities

• Act as technical lead and SME for hydraulic modelling, hydrology and flooding projects
• Lead development of technical approaches and methodologies for project delivery
• Provide senior technical advisory support for complex problem solving
• Deliver and oversee technically challenging, high‑profile projects for key clients
• Input specialist technical knowledge into studies and designs
• Lead interdisciplinary reviews of project deliverables
• Develop and implement QA/QC processes for calculations and outputs
• Prepare and review technical specifications, reports, and design documentation
• Develop construction cost estimates and technical effort estimates
• Contribute to budgets and schedules to meet client and programme needs
• Apply expertise across PS&E stages of project delivery
• Provide strategic technical guidance to clients for informed decisions
• Mentor and support junior/mid‑level staff toward chartership
• Support team growth, capability development, and positive team culture

Key requirements

• Degree in Civil Engineering, Environmental Sciences, GIS, Geography or related discipline
• Chartered member of ICE or CIWEM (or equivalent)
• Extensive experience in hydraulic modelling, hydrology, GIS or data analysis (ArcGIS)
• Strong understanding of UK and international hydrology practices
• Significant experience in fluvial, pluvial and integrated hydraulic modelling (Innovyze ICM, Flood Modeller, TUFLOW)
• Proven track record as a technical lead on complex modelling and hydrology projects
• Experience in water consultancy delivering multidisciplinary projects
• Ability to develop methodologies, manage technical delivery and influence outcomes
• Excellent communication, leadership and stakeholder engagement skills
• Self‑motivated with ability to work autonomously in a deadline‑driven env.
• leadership
• stakeholder engagement
• communication
• hydraulic modelling
• hydrology
• GIS

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