Découvrir les postes vacants

Shape the future of secure access at Luminus

As an IAM/PIAM Engineer, you play a key role in strengthening and maturing Luminus’ Identity & Access Management landscape. You work hands-on with the IAM Manager to translate business needs into robust IAM and Privileged Access Management solutions, ensuring secure, compliant and efficient access for both standard and privileged users. By combining operational excellence with a continuous improvement mindset, you help elevate our IAM and PIAM capabilities to the next level.

What you’ll do

• You analyze business and IT access needs and translate them into clear IAM and PIAM requirements, roles and workflows.
• You configure, optimize and document IAM and PIAM processes within our IGA, ITSM and future PIAM tooling.
• You onboard applications into the IAM/IGA framework, including both standard and privileged account integrations.
• You contribute actively to PIAM maturity initiatives, including the implementation of dedicated PIAM solutions.
• You support Joiner/Mover/Leaver processes and access reviews, ensuring secure and compliant lifecycle management.
• You provide second-line support, perform root cause analysis and help improve IAM/PIAM operations continuously.

What you bring

• You have a bachelor’s degree in Computer Science, Information Security or a related field, and at least 3 years of IAM/IGA experience.
• You bring hands-on experience with IGA platforms such as SailPoint, One Identity, Okta or Microsoft Entra ID Governance.
• You understand privileged access concepts, account types and risks, and are familiar with PIAM solutions or tooling.
• You have solid knowledge of identity lifecycle management, RBAC and least-privilege principles.
• You are security-minded, analytical and process-oriented, with strong attention to detail.
• You communicate clearly and collaborate easily with business, IT, security teams and external suppliers.

Why join us

• You help shape the future of identity and privileged access management in a fast-evolving, security-critical environment.
• You work in a collaborative IT organization that supports the energy transition and values continuous improvement.
• You grow your expertise while contributing to impactful IAM and PIAM transformation initiatives at Luminus.

Shape the future of digital energy at Luminus

As a Digital Solution Architect, you translate complex business needs into smart, scalable and future‑proof digital solutions. You bridge strategy and execution, bringing cutting-edge technologies, MACH principles and modern architectures to life across our digital landscape.

• You deliver solution models and architectures that fit business requirements and maximise value.
• You collaborate closely with stakeholders to understand needs, challenge assumptions and propose the most effective, budget‑aligned solutions.
• You assess change requests and evaluate their impact on our existing architecture.
• You build and evolve our digital architectural vision and roadmap.
• You guide technology choices and support development teams in applying standards and best practices.
• You ensure architectural compliance, clear documentation and alignment with Enterprise Architecture and security guidelines.

• You hold a master’s or bachelor’s degree in exact sciences (preferably IT) or equivalent experience.
• You have at least 3 years’ experience as a Solution Architect in a digital environment (web & mobile).
• You understand MACH principles and can design solutions based on microservices, API‑first and cloud‑native SaaS.
• You are fluent in data, state and sequence diagrams and can communicate architecture clearly to technical and non‑technical stakeholders.
• You have hands‑on experience with React(Native), NextJS, NestJS, TypeScript, JavaScript, and cloud deployments (Azure is a plus).
• You bring strong analytical, facilitation and influencing skills and enjoy working in Agile/SAFe environments.

• You help shape a modern, future‑ready digital ecosystem at the core of Luminus’ transformation.
• You work with passionate teams, innovative technologies and real architectural impact.
• You grow your expertise in a dynamic, supportive environment that values autonomy, collaboration and continuous learning.

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 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

Curious about your benefits and more? Visit our jobsite.

Curious about your benefits and more? Visit our jobsite.

Be the guardian of our digital future

At Luminus, the ICT department is committed to optimizing energy consumption by concentrating on cybersecurity, data intelligence and network infrastructures. The primary goal is to develop more intelligent energy systems that assist both customers and colleagues in reducing CO2 emissions and enhancing energy efficiency. Are you interested in contributing to this objective?

As Information Security Officer, you will join the IT team and help Luminus to manage information security risks. You will be responsible for conducting risk assessments and other governance, risk and compliance activities such as IT vendor risk management, security control testing and organizing compliance assessments. Additionally, you will be involved in projects such as implementing an Information Security Management System (ISMS) and ensuring compliance with the Network and Information Systems (NIS) directive.

What you’ll do

• Leading the development, you also maintain the IT security policies, standards and controls.
• You coordinate internal audits, support external audits and drive third-party risk assessments.
• Conducting IT risk assessments; you manage GRC activities, including vendor risk management and compliance assessments.
• Embedding security into every layer of the IT organization, you collaborate with IT Architects, Scrum Masters, Product Owners and cross-functional Agile Teams.
• You align with the EDF Group Cyber Group Office on internal control frameworks and the Cyber Memorandum.
• You contribute to key projects such as ISMS implementation and NIS compliance.

What you bring

• You hold a bachelor’s degree in exact sciences or equivalent experience and ideally certifications like CISSP, CISM, ISO27001 Lead Implementer, or ISO 27005.
• You have 5 years of work experience in this field.
• You are a self-starter who works independently and delivers tangible results like policies and completed risk assessments.
• You bring strong analytical skills, a helicopter view, and the ability to influence without authority.
• You have deep experience in GRC, third-party risk management and ISO27001 implementation.
• You’re skilled in writing policies, operating GRC tools and understanding IT infrastructure basics.
• You are fluent in English and either Dutch or French.

Why join us

• You’ll play a pivotal role in shaping the security posture of a company that values trust, integrity, and innovation.
• You’ll work in a collaborative environment with cross-functional teams and international alignment.
• You’ll have the opportunity to lead impactful projects that directly contribute to Luminus’ digital resilience.
• 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

Curious about your benefits and more? Visit our jobsite.

Discover more about our IT Department and Projects !

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

Shape the Future of Energy with your ICT skills. 

Join our team as a Security Architect.

At Luminus, our ICT department is dedicated to optimizing energy consumption by focusing on cybersecurity, data intelligence and network infrastructures. Our ultimate goal? Building smarter energy systems that help both our customers and colleagues reduce CO2 emissions and improve energy efficiency. Want to help reach that goal? Read on to find out more about what a Security Architect can bring to that.

As a Security Architect, you will work closely with enterprise, infrastructure and solution architects to influence key security decisions. You play a critical role in translating business needs into secure, scalable and well-documented architectural solutions.

What you’ll do

• You design, document and maintain security architectures in line with Luminus’s policies and compliance requirements (e.g., NIS 2).
• You analyze exisiting systems and architectures, identify vulnerabilities and develop risk mitigation strategies.
• You integrate security requirements into both Agile and Waterfall development environements.
• You define and document reference architectures to enable reusable and scalable security components.
• You select and apply appropriate security technologies, incuding IAM solutions, infrastrucuture protections and encryption tools.
• You lead architecture governance processes and contribute to continious optimization.
• You define and prioritize system restoration plans to ensure business continuity.

What you bring

• You hold a master’s degree in a STEM field or bring equivalent hands-on experience.
• You have at least four years of experience in IT architecture, with strong knowledge of cybersecurity architecture.
• You are proficient in documenting and communicating complex technical concepts (Visio, Confluence, BPMN, Jira)
• You are skilled in infrastructure, OS, databases, authentication system and development languages.
• You are confident and persuasive in defending security requirements in governance discussions.
• Relevant certifications are a big plus.
• You have working knowledge of architecture methodologies such as ISSAP, SABSA, TOGAF or CISSP.
• You are fluent in English and either Dutch or French.

Why join us?

• You will be responsible for securing systems for an leading energy company.
• You will have the chance to work with the newest technologies and methodologies. This environment will provide you with opportunities to learn and grow, keeping your skills up-to-date with the latest industry trends.
• You will be involved in developing and implementing advanced security measures to protect data and systems from potential threats.
• You will join a team that has a wealth of knowledge and experience in the field and you will have the opportunity to learn from and collaborate with them.
• 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 about it and we’ll do our best to find a solution.

Together we make the difference

Curious about your benefits and more? Visit our jobsite.

Discover more about our IT Department and Projects !

Why join us

• You’ll be part of a dynamic team driving innovation in the energy sector through Data & AI.
• You’ll work in an environment that values collaboration, continuous learning, and cutting-edge technology.
• You’ll help shape sustainable solutions that make a real impact on customers and the planet.

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 and 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 ensure 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.

Internal Account Manager B2B

Chez Luminus, nous accompagnons les entreprises avec des solutions énergétiques fiables et des services innovants qui les aident à réussir leur transition énergétique. Au sein de notre organisation B2B, nous construisons des relations durables en combinant expertise commerciale et approche centrée client.

En tant qu’Internal Account Manager B2B, vous êtes responsable de la gestion proactive et du développement de votre portefeuille de clients et prospects professionnels. Vous proposez des contrats d’électricité et de gaz sur mesure tout en identifiant des opportunités pour des produits et services complémentaires. En tant que conseiller de confiance, vous jouez un rôle clé dans le renforcement des relations clients et la croissance commerciale. Cette fonction peut également constituer un tremplin vers un rôle de sales sur le terrain.

What you’ll do

• Gérer et développer un portefeuille de clients et prospects professionnels en construisant des relations solides et durables.
• Identifier des opportunités commerciales grâce à la segmentation du portefeuille, l’utilisation du CRM et des actions de prospection ciblées.
• Conseiller les clients sur des contrats énergétiques sur mesure et des services complémentaires en comprenant leurs besoins, défis et ambitions.
• Contribuer à la performance commerciale en atteignant les objectifs de volume et de marge, en définissant des prix compétitifs et en concluant des accords gagnant-gagnant.
• Promouvoir les solutions digitales et les nouveaux services énergétiques tout en générant des leads pour le Groupe Luminus.
• Représenter la voix du client en assurant une gestion rigoureuse des données, une collaboration transversale et un suivi end-to-end des demandes clients.

What you bring

• Vous maîtrisez parfaitement le français, avec une bonne connaissance du néerlandais et de l’anglais.
• Vous avez un fort esprit commercial et aimez construire des relations durables avec vos clients.
• Vous êtes à l’aise pour travailler de manière proactive par téléphone et par e-mail et gérer votre portefeuille de manière autonome.
• Vous combinez une bonne capacité d’analyse avec la capacité de traduire les besoins clients en solutions concrètes.
• Vous êtes orienté résultats et motivé par l’atteinte d’objectifs commerciaux en volume et en marge.
• Vous êtes à l’aise pour travailler de manière proactive par téléphone et par e-mail et gérer votre portefeuille de manière autonome.
• Vous êtes un team player qui collabore facilement avec les parties prenantes internes et partage les bonnes pratiques.

What’s in it for you?

Le secteur de l'énergie en Belgique offre l'un des environnements de travail les plus attrayants, avec un ensemble complet de rémunérations et d'avantages sociaux :

• Rémunération compétitive : Salaire attractif avec bonus lié à la performance et modulable selon tes préférences personnelles, chèques-repas.
• Assurances & avantages sociaux : Assurance groupe et couverture hospitalisation pour toute la famille. Remboursement complémentaire des frais de soins de santé et pharmaceutiques.
• Mobilité : Remboursement intégral des frais de transport public, indemnité kilométrique pour les vélos et choix de mobilité flexible : tu peux choisir une voiture salariée.
• Internet et communication : Internet à domicile couvert et remboursement de ton appareil mobile personnel avec abonnement téléphonique.
• Bureau à domicile : Bureau à domicile entièrement équipé, y compris une configuration informatique ergonomique.
• Réductions exclusives : Après six mois, une réduction de 30 % sur l'essence et l'électricité, des avantages sur les solutions d'économie d'énergie telles que les panneaux solaires et les pompes à chaleur, et des réductions importantes sur les grandes marques, les parcs d'attractions, les festivals et bien plus encore.

Luminus valorise chaque individu

Vous cherchez un lieu de travail où vous pouvez être vous-même, où vous vous sentez respecté et soutenu, quel que soit votre parcours, votre identité et votre histoire unique ? Alors vous êtes au bon endroit. Diversité, équité et inclusion ne sont pas des mots creux pour nous — nous veillons à ce que chacun puisse s’épanouir et se sentir valorisé. Construisons cela ensemble !

Concrètement ?

Vous avez des besoins spécifiques ou des ajustements à prévoir pendant le processus de recrutement ou après votre embauche ? Parlons-en et nous ferons de notre mieux pour trouver une solution.

Ensemble, nous faisons la différence.

Shape the Future of Energy with Machine Learning!As a Senior Machine Learning Engineer, you will play a pivotal role in transforming how we optimise power generation through data-driven solutions. You’ll join our Generation Data Intelligence team, working hand-in-hand with domain experts and plant operators to tackle the unique challenges of electricity production.

What you’ll do

• You design, develop, and deploy machine learning models that predict failures, optimise maintenance, and boost energy output.
• You implement MLOps best practices, ensuring robust monitoring, testing, and sustainable deployment pipelines.
• You collaborate with engineers, operators, and domain experts to deliver impactful solutions for daily operations.
• You work closely with the IT NEO Data Platform team to standardise ML workflows and leverage shared Python packages.
• You transform raw operational data into structured, reusable insights aligned with Data Governance principles.
• You explore emerging technologies and innovative approaches, such as multi-agent reinforcement learning, to drive optimisation.

What you bring

• You have a strong interest in the energy sector and a deep understanding of electricity production challenges.
• You bring 5+ years of experience industrialising machine learning products from concept to production.
• You are fluent in English and Dutch or French, enabling smooth collaboration in multilingual environments.
• You are skilled in AWS services (S3, Glue, Athena, SageMaker) and Python for data science and ML.
• You have experience with ML frameworks like Scikit-learn, XGBoost, PyOD, and Darts, plus DevOps tools (Git, CI/CD, Docker).
• Bonus points for expertise in time series anomaly detection, AI-assisted coding, RAG systems, and historians such as Aveva OSIsoft PI.

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: 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.

Why join us

• 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

Manager Billing B2B

Luminus is the number 2 producer and supplier of electricity and gas on the Belgian energy market and plays a key role in the energy transition. Within Retail B2B, we support companies and professional customers with reliable, compliant and efficient energy solutions.

As Manager Billing B2B, you are responsible for ensuring accurate, complete and timely invoicing processes for the B2B segment at national level. You lead the billing organization in line with the Retail B2B strategy and Finance procedures, while safeguarding financial performance, regulatory compliance and customer satisfaction. From operational excellence to continuous improvement, you ensure that billing processes positively impact P&L, working capital and cash flow, while delivering a seamless customer experience.

Location: Hasselt (multisite)

What you’ll do

• Leading and organizing the B2B billing team, ensuring accurate, complete and timely invoicing across all billing systems.
• Managing operational risks related to invoicing, including regulatory compliance, contractual clauses (such as pricing formulas) and sector-specific processes.
• Defining and monitoring SLAs with key stakeholders such as Finance, Credit Management, Disputes, Sales, Customer Service, IT and DGO partners.
• Overseeing reporting activities (monthly, quarterly, yearly or ad hoc) for Finance, Credit & Cash Committee and senior management.
• Ensuring proper documentation, updates and communication of billing business rules and system usage across relevant teams.
• Driving continuous improvement initiatives in processes, systems and organization, while actively contributing to transformation and cross-functional projects.

What you bring

• You hold a bachelor’s or master’s degree in economics, finance or a related field.
• You have at least five years of experience in team management, preferably within billing or dunning activities.
• You bring strong knowledge of financial processes and understand the impact of billing on P&L, working capital and cash flow.
• You are experienced in project management and feel comfortable working with management systems (experience with SAP IS-U and Salesforce is a strong asset).
• You communicate fluently in Dutch, French and English.
• You combine strong analytical and organizational skills with the ability to coach, align and develop a team in a changing environment.

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.

Curious about your benefits and more? Visit our jobsite.

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