Junior Short-Term Power Optimizer - TotalEnergies

TotalEnergies Gas & Power Limited Sucursal Madrid; Spain; On-site; EUR 42,000 - 65,000; Full time

Job summary

TotalEnergies Gas & Power Limited Sucursal Madrid is seeking a Short-Term Power Optimizer to develop and maintain quantitative models for optimizing and pricing short-term power assets across the South Europe portfolio. You will work with cross-functional teams to translate market and asset insights into value creation opportunities.

The role emphasizes backtesting, performance monitoring, and continuous improvement, with close collaboration across trading, operations and research teams.

Qualifications

• Higher education degree in engineering, mathematics, data science or equivalent quantitative field.
• Strong quantitative and analytical skills.
• Knowledge of Day-Ahead, Intraday, balancing and ancillary services markets.
• Understanding of European energy and power market structures.
• Experience with optimization, quantitative modelling and/or trading is a plus.
• Strong programming skills, particularly Python and SQL.
• Project management and IT skills are a plus.
• Fluent Spanish and English. French is a plus.

Responsibilities

• Oversee short-term optimization across bidding, arbitrage and asset optimization strategies.
• Review optimization of assets including CCGTs, BESS, renewables and portfolio positions.
• Backtest optimization strategies and monitor performance for continuous improvement.
• Develop and maintain quantitative models for optimization review and pricing support.
• Backtest and review systematic and algo-trading strategies.
• Coordinate with traders, operations and modelling teams to translate results into actions.

Skills

Quantitative skills

Analytical skills

European power markets knowledge

Optimization modelling

Languages: Spanish & English

Education

Engineering/Mathematics/Data Science degree

Tools

Python

SQL

Job description

Employer company TotalEnergies Gas & Power Limited Sucursal Madrid

Domain Strategy, Business & Economics, Trading & Supply

Type of contract Regular position

Experience Less than 3 years

Within TotalEnergies Gas, Renewables & Power trading entity, the Short-Term Power team is responsible for the pricing, valuation, trading and optimization of assets and contracts on short-term power markets (Day-Ahead, Intraday, ancillary services and imbalance).

The Short-Term Power Optimizer is responsible for developing and maintaining the quantitative models and analyses used to review the short-term optimization strategies of the STP South Europe portfolio, and for supporting the pricing of commercial contracts.

The role focuses on assessing the optimal market and asset strategies developing and backtesting optimization methodologies, monitoring their performance and translating market, asset and regulatory developments into recommendations and value creation opportunities.

The Short-Term Power Optimizer works within the Flexibility Trading & Short-Term Optimization team and in close coordination with Flexibility Traders, Trading & Operations, Research and quantitative/modelling teams.

Activities

The key tasks are:

• Short-Term Optimization Oversight
  • Assess the optimal bidding, arbitrage and asset optimization strategies applied across short-term power markets.
  • Review the optimization of flexible and non-flexible assets including CCGTs, BESS, renewables, Supply and other portfolio positions.
  • Take progressive ownership of the performance of the optimization strategies within the assigned perimeter, from strategy proposal and backtesting to implementation monitoring and recommendations for continuous improvement.
  • Assess optimization opportunities between different markets and across different assets and contracts.
  • Coordinate with Flexibility Traders and Operations to share review findings and follow up on trading recommendations.
  • Translate quantitative results into recommendations on bidding and optimization strategies.
  • Perform studies to identify optimal strategies at portfolio level.
• Develop, run and maintain the quantitative models and methodologies used to review optimization strategies and support pricing, in coordination with quantitative/modelling teams where relevant.
• Continuously backtest strategies to assess their adequacy and optimality.
• Dynamically adjust review models and benchmarks based on observed performance, changing market conditions and new information.
• Backtest and review systematic and algo-trading strategies.
• Support the integration of new assets, contracts and market mechanisms into the optimization review and pricing frameworks
• Support Flexibility Traders in the pricing of commercial contracts (valuation inputs, risk factors and portfolio effects). Price commercial structures and short-term power products for internal and external counterparties.
• Maintain quantitative pricing and valuation models for short-term power assets and contracts, including BESS, CCGTs, RES, Supply and other flexible and non-flexible assets.
• Ensure consistency between pricing assumptions, expected portfolio value and operational feasibility.
• Performance & Continuous Improvement
• Monitor KPIs and P&L associated with the optimization strategies within the assigned perimeter.
• Define performance reporting designed to feed back into the review of strategies, backtesting and recommendations to the functions in charge of optimization decisions and to Management.
• Perform impact analysis regarding market and regulatory developments to identify new value creation opportunities.

Candidate Profile

• Higher education degree in engineering, mathematics, data science or equivalent quantitative field.
• Strong quantitative and analytical skills.
• Knowledge of Day-Ahead, Intraday, balancing and ancillary services markets.
• Understanding of European energy and power market structures.
• Experience with optimization, quantitative modelling and/or trading is a plus.
• Strong programming skills, particularly Python and SQL.
• Project management and IT skills are a plus.
• Fluent Spanish and English. French is a plus.

Joining TotalEnergies means committing to the energy transition and helping provide energy that is more affordable, more available, and more sustainable for as many people as possible. You will grow within an international multi-energy company where every talent matters. You will contribute to ambitious projects and deliver concrete solutions to today's energy challenges.

Throughout your career, you will benefit from a wide variety of assignments and tailored learning opportunities. You will fully develop your potential in an environment that fosters innovation and excellence. Join committed and collaborative teams where success is built together.

We place respect and employee well-being at the heart of our performance. That is why TotalEnergies values diversity and promotes equal opportunities for all.