Principal Flood Risk Modeller

Overview

As a Principal Flood Risk Modeller within the Water Environment Department, you will steer complex flood risk assessments and mitigation schemes across the UK, guiding a multidisciplinary team and shaping modelling strategies. You’ll ensure high-quality flood risk deliverables, support clients, and mentor colleagues while aligning with the firm’s water resources and resilience objectives. This role offers leadership on projects, collaboration with cross-functional teams, and opportunities to advance professional accreditation. You will work in a flexible, hybrid setup with a clear progression path and chartership support.

Pay / Benefits

• Hybrid / Flexible working
• Private medical insurance
• Clear progression path
• Professional membership paid
• ICE Chartership support
• Regular performance reviews

Responsibilities

• Provide technical direction to modelling team and ensure quality of flood risk deliverables
• Influence modelling approach and decision-making for flood risk mitigation measures
• Lead or co-manage projects, coordinate resources, budgets, and milestones
• Manage clients and track project quality, programme, and financials
• Mentor team members and supervise deliverables
• Support multi-disciplinary collaboration on EIAs, risk assessments, and mitigation schemes

Key requirements

• Significant experience in hydraulic modelling across diverse projects
• Strong understanding of UK hydrology and open channel hydraulics
• Experience with standard hydraulic modelling packages (Innovyze ICM, Flood Modeller Pro, TUFLOW, HEC-RAS, SRH2D)
• Proven ability to lead and manage projects, meet deliverables and QA/QC standards
• Knowledge of economic appraisals (MCM, BST)
• Experience in optioneering and schematic design
• Soft skills for delivering public and statutory consultations
• Knowledge of Flood Risk Assessment, Natural Flood Management and Sustainable Drainage techniques (desirable)
• Chartered status (C.Eng or C.WEM)
• MSc/MEng and/or PhD in hydrology, hydraulic modelling, water resources or related field

• Leadership and mentoring
• Effective communication and client management
• Collaborative teamwork across multidisciplinary groups
• Hydraulic modelling
• UK hydrology knowledge
• Open channel hydraulics

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