Principal / Associate Flood Forecasting Modeller in Croydon

Principal / Associate Flood Forecasting Modeller in Croydon

Croydon Full-Time No working from home possible
AECOM
  • Full-time
  • State/Province: Hampshire
  • Business Group: DCS
  • Legal Entity: AECOM Limited
  • Business Line: Water
  • Work Location Model: Hybrid
  • Operating Group: International
  • Primary Location: UK - Basingstoke

Job Overview

We are looking for a Principal or Associate to join our Water team. In this senior technical role, you will lead teams delivering real‑time flood forecasting projects and expand services with the Environment Agency and beyond.

Responsibilities

  • Produce and review Flood Forecasting Inception Stage Reports, including assessing the quality of existing models and hydrometric data.
  • Develop, calibrate, and check flood forecasting models (e.g. PDM, Flood Modeller).
  • Carry out non‑real‑time modelling and hydrological analysis using tools such as Flood Modeller, ICM, HEC‑RAS, MIKE 11, and FEH hydrological methods.
  • Produce and review high‑quality technical reports, documenting model build and associated uncertainties.
  • Lead and contribute to tenders for key clients.
  • Mentor and support team members in their professional development.
  • Build strong relationships with clients and colleagues across disciplines.
  • Stay up to date with legislation and guidelines relevant to our services.
  • Use AECOM’s project management systems to deliver high‑quality outputs on time and within budget.

Qualifications

  • Significant experience in flood forecasting modelling (Flood Modeller).
  • Strong knowledge of Environment Agency requirements, including preparing flood forecasting models compatible with their Incident Management Forecasting Systems.
  • Proven ability in applying and calibrating hydrological models in flood forecasting (e.g. Muskingum‑Cunge, Probability Distribution Model).
  • Excellent analytical skills, with experience in processing and analysing hydrometric data, including gauge rating reviews.
  • A Bachelor’s degree (or equivalent) in Civil Engineering or another relevant discipline.
  • Strong GIS skills (QGIS, ArcGIS and/or MapInfo).
  • Practical knowledge of scripting (Python, Anaconda, Ruby, or similar) would be an advantage.
  • Self‑motivated with an ability to work autonomously where required, a strong sense of commitment, willingness to learn, and a desire to work in a dynamic deadline‑driven team environment.

Benefits

  • 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 the flexibility to work in a way that fits your lifestyle while supporting a healthy work–life balance.

Application Support and Diversity

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at careeropenings@aecom.com. If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you. We are also a Disability Confident Employer and will offer a disability‑friendly interview process. All your information will be kept confidential according to EEO guidelines.

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AECOM

Contact Details:

AECOM Recruitment Team