# Hydrologist

[Castleton Commodities International](https://www.jorb.ai/firms/castleton-commodities-international.md) · London · United Kingdom · [Hedge Fund & Quant](https://www.jorb.ai/jobs/hedge-fund-quant.md)

Castleton Commodities International is hiring a Hydrologist in London. Posted 2026-03-13; applications close 2026-05-12.

**Apply**: https://osv-cci.wd1.myworkdayjobs.com/CCICareers/job/London-UK/Hydrologist_R1262

Posted 1mo ago.

## Role details

## 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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Updated: 2026-04-22
Canonical: https://www.jorb.ai/jobs/69b438905957766bb6e881a4