Principal Hydraulic Modeller – Flood Risk

Overview

In this Principal Hydraulic Modeller role, you will lead hydraulic modelling and hydrology initiatives within AECOM’s Water team in Scotland. You’ll shape technical approaches, mentor junior staff, and deliver large-scale, multidisciplinary water projects for diverse clients. The role blends hands-on modelling leadership with strategic guidance across project lifecycles, from PS&E to client decision-making. You will work in a collaborative, hybrid environment that values innovation, technical excellence, and positive community impact. This is an opportunity to drive critical water infrastructure outcomes at scale and advance your chartership ambitions.

Pay / Benefits

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

Responsibilities

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

Key requirements

• Degree in Civil Engineering, Environmental Sciences, GIS, Geography or related discipline (or equivalent)
• 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 or TUFLOW)
• Proven track record as 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 autonomy and a collaborative, deadline-driven mindset

• Communication
• Leadership
• Stakeholder engagement
• Innovyze ICM
• Flood Modeller
• TUFLOW

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