Weather Data Scientist – Energy Trading

Weather Data Scientist – Energy Trading (1-year contract) Land Schweiz Stadt GENEVE Ort des Arbeitsplatzes GENEVE-WTC1(CHE Unternehmen des Arbeitgebers TotalEnergies Gas & Power Ltd Domain Strategy Economics Business Art des Auftrags Befristeter Vertrag Erfahrung Mindestens 3 Jahre Kontext & Umgebung

About us

TotalEnergies has developed a strong expertise in oil and biofuels, natural gas, LNG, and electricity trading. Trading entities are based in Geneva, Paris, Houston and Singapore. TotalEnergies installed its European trading hub across in Geneva, which now bring together very large teams around trading activities: TotalEnergies Trading & Shipping (T&S) and TotalEnergies Gas and Power (TGP).

TotalEnergies Gas and Power (TGP) is the trading arm of TotalEnergies in the field of low carbon energies. As such, it operates in fast-evolving market dynamics influenced by internal and external factors that require constant adaptation and evolution. The Trading division in Geneva is responsible for optimising the purchase & sales portfolios of gas, electricity, CO2 emissions, dry bulk, and LNG in all recognised markets worldwide, in compliance with the Company trading guidelines. In such context, TGP helps to ensure growth and profitability to a key segment of the business in order to reach the objective of Carbon Neutrality by 2050.

Our Culture

We are committed to meet the energy needs of a growing population and we are committed to the energy transition. The volatility of the energy trading markets requires excellence in risk management and a culture of innovation. We are fully embracing the digital revolution
Our people flourish in an environment that promotes expertise, entrepreneurship spirit, agility and a purpose-driven culture, generating boundless opportunities to learn, grow and achieve collaborative success
Reinforcing the competencies of our people is a key pillar of our culture: we train our people to ensure their development and we pledge to encourage safety in all our actions
We look for passion, ambition and open-mindedness. While we evolve in a demanding industry that requests to be always on the edge, we cultivate a friendly workplace where our people feel good, where team spirit and respect guide our daily routine, where the diversity of our people and their skills create a nourishing experience for all of us Aktivitäten

As a Weather Data Scientist – Energy Trading (1-year contract), you will join the Weather Modeling & Analysis (WMA) team of TGP, within the Modeling & Analysis for Trading Strategies (MATS) department. Your mission is to create and validate trading signals from in-depth quantitative analysis of weather-related models, supporting power and gas trading activities.

Key responsibilities:

• Contribute to the existing in-house suite of short and mid-term weather-to-power models for forecasting wind generation, solar generation and net power demand.
• Contribute to the developments of wind/solar yield models with the ingestion of TotalEnergies assets data.
• Monitor daily the performance of WMA models to continuously assess the models' skills and propose new developments for improving their scores.
• Develop efficient methods to quickly assess the skills of weather models and quantify their impacts on WMA models for power/gas trading activities.
• Collaborate to projects with hands-on analysis and modelling to choose the right tool and right level of complexity to reach business objectives.
• Bring new ideas in the development of analytics and impactful visualization tools supporting WMA activities.
• Collaborate with IT and data engineering teams to industrialize models in Cloud environment.
• Develop and maintain scripts to enable automation and process optimization.
• Work in close collaboration with power, gas, LNG analysts and traders to extract maximum value from weather information.
• Work with Power trading desks and other stakeholders throughout the organization to identify, prioritise and structure complex and unique problems where advanced analytics projects or tools can have the biggest impact.

Environment

You will be based on the Geneva trade floor, working in close collaboration with teams in Singapore, Houston, and Paris headquarters.
The WMA team brings expertise in weather modeling at different spatial and temporal scales, supporting the growing integration of renewable energies and the fast development of AI weather models.
You will operate in a fast-evolving, high-impact environment where uncertainties from both trading and the broader energy sector (climate change, energy mix evolution, new energy sources) require constant adaptation and innovation.

Profil der Bewerberin/des Bewerbers

• Master's degree or higher in mathematics, physics, meteorology, or a related field.
• You have minimum 2–3 years' experience in a highly quantitative role, ideally in energy trading with strong experience in data processing and analysis
• You have a strong interest in weather modeling, forecasts, and datasets applied to energy.
• You are proficient in data manipulation using tools such as Python (Pandas, NumPy), SQL, MongoDB or Spark, and understand best practices for data quality and transformation
• You have experience handling large weather model outputs (Grib, Parquet, NetCDF).
• Experience with database technologies (PostgreSQL, MongoDB, S3 bucket) and cloud environments (AWS: S3, EC2, Lambda, Glue, Redshift) will be strongly appreciated
• Familiarity with GitHub for version control and collaborative development is appreciated
• Experience with Databricks and Apache Spark is a plus.
• Ability to work autonomously, demonstrate innovation, and thrive in a fast-paced, deadline-driven environment.
• Strong communication skills, able to explain complex problems clearly.
• Fluent in English; knowledge of French is an advantage.

Zusätzliche Informationen TotalEnergies schätzt Vielfalt, fördert individuelles Wachstum und bietet Karrieremöglichkeiten mit gleichen Chancen

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