The Role
The Short Term Trader is responsible for optimizing Sonnedix’s short term power position across day ahead, intraday and balancing markets with the objective of maximizing portfolio value while ensuring operational reliability and compliance with risk limits. The role sits at the core of the trading function and requires continuous monitoring of market fundamentals, such as demand, renewable generation, weather forecasts, outages and price movements, in order to identify opportunities and manage imbalances in real time. Acting as a key interface between trading, dispatch, operations, asset management and risk teams, the role supports accurate nominations, efficient execution and reliable portfolio performance. This is an office based position operating on a rotating 8 hour shift schedule to ensure continuous market coverage, including some nights, weekends and public holidays in line with the team rota and business needs.

The Short Term Trader leads real time trading and position management activities,



ensuring accurate execution and effective coordination across internal stakeholders. The role also contributes to the continuous development of trading strategies, forecasting methodologies and analytical tools that improve decision making and commercial performance. Operating in a fast paced and high pressure environment, the position plays an important role in reducing imbalance costs, improving forecast accuracy and driving value creation across Sonnedix’s portfolio.

Desirable skills:
- Strong understanding of short term electricity markets including day ahead, intraday and balancing
- Excellent analytical and numerical skills with the ability to interpret complex market data and make sound decisions
- Ability to operate effectively in a fast paced environment and make decisions under pressure
- Strong communication and collaboration skills with the ability to work closely with trading, dispatch, operations and risk teams
- Tech fluency, including forecas

📌 Short Term Trader (Madrid)
🏢 Sonnedix
📍 Madrid