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Hydrologist

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Onsite

Hydrologist

Castleton Commodities International

Hydrologist

Skills

PythonRData Analysis

2 months ago

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Important information


Contract type:

Permanent

Location:

London, UK

Work mode:

Onsite

Published on:

2 September 2026

What they need


This role offers a unique opportunity to partner closely with the European Gas & Power teams to design, develop and maintain quantitative tools that forecast hydrological variables and translate them into power generation forecasts (MW/MWh). The successful candidate will join a top-tier power and natural gas analysis team and play a central role in building out our hydrological forecasting capability, from model design and calibration through to production-grade deployment and ongoing maintenance.

This position is well suited to someone who thrives in an innovative, entrepreneurial commercial environment, is motivated to take ownership of new analytics end-to-end, and enjoys translating scientific modelling into tools that directly support trading and investment decisions.

Responsibilities: This role offers a unique opportunity to partner closely with the European Gas & Power teams to design, develop and maintain quantitative tools that forecast hydrological variables and translate them into power generation forecasts (MW/MWh). The successful candidate will join a top-tier power and natural gas analysis team and play a central role in building out our hydrological forecasting capability, from model design and calibration through to production-grade deployment and ongoing maintenance.

This position is well suited to someone who thrives in an innovative, entrepreneurial commercial environment, is motivated to take ownership of new analytics end-to-end, and enjoys translating scientific modelling into tools that directly support trading and investment decisions.

Qualifications: Desirable Skills & Knowledge

  • Understanding of the weather-to-power value chain and how hydrological conditions impact electricity markets.
  • Familiarity with ensemble weather forecasting products (e.g., ECMWF, GFS) and their application to hydro modelling.
  • Experience with geospatial data, remote sensing (e.g., satellite snow cover), and large-scale hydrological datasets.
  • Strong programming skills (e.g., Python, R, or equivalent)

With Professional Experience

  • Proven, hands-on experience in hydrological modelling within one or more of the following regions: Nordics, Iberia, France, Switzerland, Austria, Italy
  • Demonstrated track record of building and operating hydro forecasting / water balance models.

Without Professional Experience

  • PhD in Hydrology (or closely related disciplines), thesis work or research directly relevant to hydro forecasting.
  • Strong quantitative and computational modelling foundations.

Visit https://www.cci.com/careers/life-at-cci/# to learn more!

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