B2B Performance Analyst

Publication date: February 26, 2026

Brussels

Contract open-end

We are looking for a dynamic and analytical professional to strengthen our B2B Performance & Insights team. In this role, you will drive operational excellence, deliver strategic insights and support decision-making through data, financial analysis and cross-functional collaboration.

What you’ll do

• Lead the end-to-end process for volume deviation and solar case detection, ensuring timely follow-up, risk assessment, and resolution.
• Analyse energy volume data at customer and portfolio level to uncover trends, risks, and improvement opportunities.
• Prepare and present consolidated reporting and coordinate STEERCO preparation and facilitation.
• Act as a performance business partner by providing commercial insights, supporting B2B strategic planning, and contributing to profitability reviews.
• Conduct market, portfolio, and competitor analyses to inform B2B sales and support marketing & product development strategy.
• Develop and enforce data governance standards while promoting a strong, organization-wide data-driven culture.
• Collaborate closely with internal and external B2B stakeholders to ensure alignment, transparency, and impact.
  
  

What you bring

• You have a Master’s degree, or equivalent through experience or training.
• You have a minimum of 3 years of experience in a commercial, analytical or financial role.
• You possess strong analytical skills, logical reasoning, accuracy, proactivity, a hands-on approach and a result-driven mindset.
• You have excellent listening skills, combined with strong verbal and written communication abilities.
• You are fluent in Dutch or French and English.
• You have knowledge of machine learning, Python, SQL and strong Excel Skills
  
  

What’s in it for you?

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 opt for a salary car.
• 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.
  
  

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.

Together we make the difference