Finance

Drive Strategic Procurement Forward!

As a Buyer – Technical Goods & Services, you take the lead in shaping category strategies and driving procurement projects that deliver real impact. You work closely with technical experts and internal stakeholders to optimise costs, enhance supplier performance, and create long-term value for Luminus.

What you’ll do

• You define and communicate category strategies that align with business goals.
• You lead sourcing processes (RFx) to optimise Total Cost of Ownership and generate value.
• You collaborate with internal stakeholders to translate needs into clear specifications.
• You negotiate with suppliers and award contracts in line with policy and strategy.
• You monitor supplier performance and manage contracts to ensure compliance.
• You stay ahead of market trends and contribute to continuous improvement initiatives.

What you bring

• You have a Master’s degree and proven experience in technical procurement.
• You bring strong project management skills and knowledge of methodology.
• You demonstrate expertise in stakeholder management within an industrial environment.
• You have strategic procurement experience for technical goods and services (CAPEX experience is a plus).
• You are fluent in Dutch; French is an advantage.
• You show a proactive mindset and enthusiasm for innovation, including AI transformation.

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. 
• 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.

 Why Join Us?

• You make a direct impact on Luminus’ EBITDA and strategic growth.
• You join a collaborative, forward-thinking team at the heart of the energy transition.
• 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

Own the Future of Identity & Access at Luminus!

As an IAM Operations Manager, you take full ownership of our Identity & Access Management operations. You lead a small, dedicated team and ensure flawless execution of IAM processes while driving improvements that boost security, compliance, and business agility.

Thanks to the current growth and maturing IAM landscape at Luminus, you’ll step into a role where your expertise makes a visible impact from day one.

What you’ll do

• Manage end-to-end IAM operations, including user lifecycle, access provisioning, and joiner/mover/leaver processes.
• Oversee access reviews and attestation campaigns to maintain compliance and security.
• Lead and coach a team of two IAM professionals, ensuring clear priorities and operational excellence.
• Collaborate with suppliers to manage our IGA solution and ensure SLA performance.
• Monitor KPIs, troubleshoot incidents, and implement preventive measures to reduce operational issues.
• Drive process improvements and automation to enhance efficiency and reduce costs, with the freedom to propose and implement improvements as IAM matures further.

What you bring

• A Bachelor’s degree in Computer Science, Information Security, or equivalent experience.
• At least 5 years of hands-on IAM/IGA operations experience, including platforms like SailPoint, Saviynt, or One Identity.
• Strong knowledge of IAM technologies (Active Directory, Entra ID) and standards (SAML, OAuth, OpenID Connect).
• Proven experience with IT Service Management processes and tools, plus familiarity with Agile frameworks.
• Leadership skills to manage teams and suppliers effectively, with the ability to bring stability and structure to a rapidly evolving IAM ecosystem.
• ITIL certification or similar is a plus.

Why join us?

• You’ll play a key role in shaping Luminus’ IAM maturity and security posture, working in a team that values ownership and continuous improvement.
• You join a close-knit IAM team where collaboration is central and your expertise directly steers decision-making.
• You can expect strong support from both Security & IT to bring IAM to the next level, with opportunities to grow into broader IAM expertise or leadership responsibilities.
• 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.

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.

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 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.

Curious about your benefits and more? Visit our jobsite.