Short Term Portfolio Optimization Analyst

As a Short Term Portfolio Optimization Analyst, you play a key role in maximizing the value of Luminus’ gas and power portfolio. Working at the heart of energy markets, you combine analytical expertise, market insight and innovation to optimize short-term operations, improve decision-making and support the performance of our generation assets, renewable portfolio and flexibility solutions. What you'll do You optimize gas and electricity portfolios across Day-Ahead and Intraday markets while balancing technical, economic and regulatory constraints to create maximum value. Working closely with colleagues across Optimization, Forecasting, Pricing, Middle Office, Back Office, Generation and Finance, you continuously improve and align short-term optimization strategies. You contribute to the development of advanced optimization solutions, including AI, machine learning, automation and forecasting models that enhance market performance and operational decision-making. Through market analysis and performance monitoring, you identify improvement opportunities and help adapt strategies related to trading, battery storage, renewable assets, ancillary services and flexibility products. You support operational excellence by monitoring results, defining meaningful KPIs, preparing analyses and ensuring compliance with internal policies, market obligations and risk frameworks. Beyond daily operations, you coordinate and contribute to business and IT projects, helping to improve tools, processes and ways of working while sharing knowledge and coaching colleagues. What you bring A university degree in Engineering, Economics, Business Engineering or another relevant discipline, or equivalent experience. At least 3 to 5 years of experience in the energy sector, utilities or commodities markets, where you developed a strong understanding of market dynamics. Strong analytical and problem-solving capabilities that enable you to translate complex information into practical actions and recommendations. Excellent communication skills that allow you to advise stakeholders, transfer knowledge and collaborate effectively across teams. Experience working independently while remaining highly organized, proactive and focused on quality and continuous improvement. Knowledge of electricity and gas markets, Microsoft Office, Python and modern AI or machine-learning technologies, combined with fluency in English, Dutch and French. What you'll get in return? The energy sector is one of the most rewarding industries in Belgium with a highly rewarding compensation and benefits package: Competitive compensation: Attractive salary with a performance-based bonus that can be optimized to your personal preferences, plus meal vouchers. Insurance & social benefits: Group insurance and hospitalization coverage for the entire family. Additional reimbursement for healthcare and pharmaceutical costs. Mobility: Full reimbursement for public transport, kilometer-based cycling reimbursement and flexible mobility choices: you can choose between a company car or mobility budget. Internet & communication: Home internet covered, reimbursement for a personal mobile device with a phone subscription. Home Office: A fully-equipped home office, including an ergonomical ICT set-up. Exclusive discounts: 30% off gas and electricity after six months, discounts on energy-saving services (e.g., solar panels, heat pumps) and reduced prices on top brands, amusement parks, festivals and more. You'll work on complex and intellectually stimulating challenges where data, markets, technology and innovation come together. You'll enjoy a high level of autonomy while collaborating with experts from different business domains across Luminus. You work and connect with your colleagues at a Luminus office or from home. Need some flexibility? Your manager is open to discuss what works. Luminus values e.v.e.r.y individual. Are you looking for a workplace where you can truly be yourself, where you feel respected, supported regardless of your background, identity and unique story? Then you’ve come to the right place. Diversity equity and inclusion are not empty words for us — we grant that everyone can flourish and feel valued, so let’s build it together! What does that mean in practice? Do you have specific needs or require adjustments during the recruitment process or once you are hired? Let’s discuss about it and we’ll do our best to find a solution. We can also discuss if you want to work at 80% or 100%. Together we make the difference.