Principal Hydraulic Modeller - Flood Risk

Principal Hydraulic Modeller – Flood Risk

• Full‑time
• Business Group: DCS
• Legal Entity: AECOM Limited
• Business Line:
  Water
• Work Location Model:
  Hybrid
• Operating Group:
  International
• Primary
  
  Location:
  
  UK – Edinburgh – Tanfield

Shape the future of water with AECOM – lead advanced modelling that drives sustainable infrastructure and lasting environmental impact.

Join our dynamic and multidisciplinary Water Team as a Principal Hydraulic Modeller in our rapidly growing Edinburgh and Glasgow offices – whilst also taking advantage of our flexible hybrid working model.

• Act as a technical lead and subject matter expert for hydraulic modelling, hydrology and flooding projects.
• Lead the development of technical approaches and methodologies, ensuring high‑quality, cost‑effective project delivery.
• Serve as a senior technical advisor to the team, supporting complex problem‑solving and decision‑making.
• Deliver and oversee technically challenging, high‑profile projects for key clients.
• Provide specialist technical input into studies and designs within your area of expertise.
• Lead and contribute to interdisciplinary reviews of project deliverables.
• Develop and implement quality assurance and quality control processes, including review of calculations, models and technical outputs.
• Prepare and review technical specifications, reports and design documentation.
• Develop construction cost estimates and estimates of technical effort for projects.
• Contribute to the development of project budgets and schedules, ensuring delivery aligns with client and programme requirements.
• Use your expertise across all stages of project delivery, including PS&E (Plans, Specifications & Estimates) packages.
• Provide strategic technical guidance to clients, enabling informed decision‑making.
• Mentor and support junior and mid‑level staff, helping them progress towards chartership and technical excellence.
• Support team growth, capability development, and contribute to a positive team culture.

• A degree (or equivalent) in Civil Engineering, Environmental Sciences, GIS, Geography or a related discipline.
• Chartered member of ICE or CIWEM (or equivalent).
• Extensive experience in hydraulic modelling, hydrology, GIS or data analysis, including ArcGIS.
• Strong understanding of UK and international hydrology practices.
• Significant experience in fluvial, pluvial and integrated hydraulic modelling, particularly using Innovyze ICM, Flood Modeller or TUFLOW.
• Proven track record as a technical lead on complex modelling and hydrology projects.
• Strong experience within water consultancy, delivering multidisciplinary projects.
• Demonstrated ability to develop methodologies, manage technical delivery and influence project outcomes.
• Excellent communication, leadership and stakeholder engagement skills.

• Be part of a dynamic team that tackles challenging and impactful water projects.
• Work alongside industry‑leading professionals and thought leaders.
• Engage in a collaborative and inclusive work environment.
• Access to continuous learning and development opportunities.
• Competitive salary and comprehensive benefits package.
• Enjoy flexibility to work in a way that fits your lifestyle while supporting a healthy work–life balance.

We celebrate diversity, including neurodiversity and persons with disabilities, and believe it enriches our team. Applications from all backgrounds and abilities are welcomed. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact Re

All your information will be kept confidential in accordance with EEO guidelines.

As an Equal Opportunity Employer, we believe in each person’s potential and will help you reach yours.