Senior Hydrologist | Flood Hydraulic Modeller

Stantec; Cardiff; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm is seeking a Senior Hydrologist – Flood Hydraulic Modeller to manage hydraulic modelling projects and provide technical expertise in flood risk and water environment studies. The successful candidate will lead multiple complex projects, mentor junior staff, and prepare high-quality reports while liaising with clients and regulatory bodies. The role requires a degree in a relevant field and experience with hydraulic modelling tools. This position offers an opportunity to contribute to nationally significant work across the UK.

Qualifications

• Degree in a relevant field, such as Civil Engineering or Environmental Science.
• Chartered status or working towards it with CIWEM or ICE is preferred.

Responsibilities

• Deliver hydraulic modelling and flood risk studies.
• Develop modelling methodologies and produce technical reports.
• Supervise and mentor junior staff.

Skills

Hydraulic modelling

Project management

Communication skills

GIS tools

Hydrological methods

Education

Degree in Civil Engineering, Geography, Environmental Science or a related subject

Tools

Flood Modeller

TUFLOW

InfoWorks ICM

ArcGIS Pro

QGIS

Job description

Job Summary

You'll bring a strong track record in delivering and managing hydraulic modelling projects, combining technical expertise with leadership, communication skills, and the ability to foster trusted client relationships. You'll be comfortable managing multiple complex projects, supporting business development, and helping steer the future of our flood risk and water environment services.

Responsibilities

• Deliver hydraulic modelling, flood risk and water environment studies using 1D/2D hydraulic modelling tools such as Flood Modeller, TUFLOW or InfoWorks ICM.
• Develop modelling methodologies, prepare fee proposals and produce high‑quality technical reports for a range of audiences.
• Supervise, mentor and train junior staff; provide quality assurance and technical review of hydraulic models.
• Prepare Flood Risk Assessments (FRAs) in line with national planning policy.
• Apply hydrological methods (FEH, ReFH2, WINFAP) for flow estimation.
• Use GIS tools (ArcGIS Pro, QGIS) for spatial analysis and mapping.
• Liaise with LLFAs, the Environment Agency, SEPA and water companies.
• Understand relevant planning and technical guidance (NPPF, SuDS Manual, non‑statutory drainage standards).

Qualifications & Skills

• Degree in Civil Engineering, Geography, Environmental Science or a related subject.
• Chartered or working towards Chartership with CIWEM, ICE or a similar body.

Desirable Experience

• Developing surface water drainage strategies incorporating SuDS (CIRIA guidance, LLFA requirements).
• Surface water drainage design experience (e.g. MicroDrainage/InfoDrainage).
• Delivering studies for LLFAs (Flood Studies, SWMPs, Local Flood Risk Management Plans, FPSs).
• Involvement in river restoration or Natural Flood Management schemes.
• Supporting planning applications with flood and drainage documentation.
• Contributing to Environmental Impact Assessments, including flood and drainage chapters.

Locations

Edinburgh, Glasgow, Manchester, Leeds, Newcastle, Bristol, or Cardiff offices.

Company Overview

Stantec is seeking a Senior Hydrologist – Flood Hydraulic Modeller to join our growing Hydrology and Flood Risk discipline within the Water Environment team. The role offers the opportunity to work on a wide range of hydraulic modelling projects, including 1D‑2D flood risk modelling and Strategic Resource Options (SRO) assessments, and to contribute to nationally significant work across the UK.

Equal Opportunity Statement

Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibits discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment.