About this role
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About ENGIE and Supply & Energy Management:
ENGIE, a global leader in low-carbon energy and services, relies on its Global Business Unit Supply & Energy Management (GBU S&EM) to provide reliable, sustainable, and affordable energy to all its customers. This strategic unit optimizes the Group’s and clients’ production assets and designs tailored energy solutions for our 200,000 professional clients and 15 million consumers.
The Global Business Unit Supply & Energy Management leverages ENGIE’s assets to deliver secure and sustainable energy to its B2B and B2C customers. It uses its expertise in energy management to provide decarbonized electricity 24/7.
Our Mission & Objectives
- Deliver carbon-free energy to clients around the world, 24/7
- Maximize the value of ENGIE’s diverse assets—including renewables, thermal generation, and storage
- Serve over 15 million residential customers and 200,000 businesses, aiming to reach 550 TWh by 2030 with a growing share of green electricity
- Promote agility, collaboration, and transparency throughout the organization
S&EM is structured around three core pillars:
- OneB2B: Focused on streamlining and scaling ENGIE’s business-to-business solutions across multiple countries
- OneB2C: Dedicated to business-to-consumer operations
- Energy Management: Overseeing the optimization and risk management of energy assets and portfolios
OneB2B – Strategic Focus. As a key pillar, OneB2B drives ENGIE’s B2B strategy by accelerating the delivery of tailored solutions, reducing operational costs, and leveraging unified platforms and shared tools. The team is committed to:
- Speeding up time-to-market for innovative B2B offerings
- Lowering service and build costs
- Developing the Bee-Stone suite—a unified platform that balances global standards with local needs
- Aligning IT and business strategies across geographies
- Implementing agile methodologies and strong governance to support long-term goals
Joining Supply & Energy Management means becoming part of a team of over 10,000 passionate experts spread across 20 countries, all united by a shared mission: shaping a greener and more efficient energy future. Together, we push the boundaries of innovation to deliver decarbonized energy 24/7. Join us and be part of those shaping the energy of tomorrow!
Role
The LT Asset Trading & Portfolio Management department is seeking a Renewable Portfolio Manager responsible for overseeing the wind and solar asset portfolio, both for owned assets and for third‑party developers. The Renewable Portfolio Manager ensures high‑quality portfolio performance through robust analytical capabilities, strategic planning, and effective risk management. The role focuses on long‑term value creation, portfolio optimization, and supporting the growth of the renewable asset base in line with the group’s strategic ambitions.
As a Renewable Portfolio Manager we expect you to :
- Ensure accurate representation of Renewable Trading Power contracts in IS systems to provide the trading desk with correct portfolio positions and real‑time exposure.
- Communicate with park owners to collect operational and technical information and provide accurate inputs to the forecasting team.
- Collaborate with service providers to maintain existing data flows.
- Implement new data flows in coordination with traders and service providers.
- Communicate with internal stakeholders (M&S, Finance, Back Office, Trading, Dispatch and others) to ensure their operational needs are properly addressed.
- Managing the certificates linked to the RES assets and also hedging the LT exposure for BESS.
- Apply data‑management best practices and act as the guardian of data quality.
- Contribute to process improvements and automation initiatives in close collaboration with IS teams.
- Monitor IS developments and ensure delivered solutions meet expected outcomes.
- Maintain strong knowledge of automated IS processes to investigate operational issues and ensure smooth daily operations.
Skills:
- Advanced analytical skills and strong proficiency with data and IT tools.
- Proactive problem‑solver with a strong sense of initiative.
- Hands‑on experience in coding and scripting, particularly in Python.
- Comfortable working closely with IT teams on systems, data flows and technical solutions.
- Solid data‑management capabilities.
- Knowledge of OT/GECO/GEPO/TAS suite is an advantage.
- High personal standards and the ability to challenge yourself and colleagues in a constructive and respectful way.
- Strong adaptability in a fast‑changing environment.
- Commitment to continuous improvement of processes, tools and data‑supervision standards.
- Clear and effective communication with internal teams, managers and external stakeholders.
Required qualifications :
- Higher education in a quantitative discipline (preferably mathematics, economics or energy‑related fields).
- Minimum 3 years of experience in quantitative modelling, risk management or analytical support for RES/BESS trading or energy asset portfolios.
- Languages skills
- Fluent in English (minimum B2);
- Polish or French is a plus
Travels:
The job is based in Katowice PL or Brussels BE with regular travels between both locations and occasional travel across Europe
If you meet these requirements, then you are the talent we are looking for. Do not waste time!
Apply by attaching your updated CV, regardless your gender.
ENGIE Global Energy Management & Sales is committed to create a gender-neutral environment that unlocks the potential of everyone and provide equal employment opportunities for all individuals.
All our positions are open to people with disabilities, please let your recruiter know if you need reasonable accommodations to be able to participate in the recruitment process, they will be happy to assist you.