Sales & Marketing

Ready to be the strategic partner behind the success of our key clients?

As a Key Account Manager for Strategic Business Accounts, you'll be the driving force within our motivated sales team. You'll forge strong relationships with both colleagues in operations, pricing, and the most energy-intensive companies. By building sustainable partnerships with large (inter)national industrial customers, you'll provide them with innovative energy products, services, and solutions. You'll actively explore the market, creating successful and profitable customer relationships for both the short and long term.

What you’ll do 

• Building strong relationships, you manage and grow a portfolio of strategic B2B customers.

• Acquisition and growth strategies that deliver results are designed and driven by you.

• Diving into customer needs, you translate them to tailored energy solutions.
• Commercial targets are achieved and win-win deals negotiated by you.
• Acting as an trusted energy advisor, you guide customers toward efficiency and sustainability.

• The voice of the customer is represented by you within Luminus, as you collaborate closely with internal teams.

What you bring 

• You have a master's degree (economics, management or engineering).
• You are fluent in Dutch and have a good knowledge of French and English.
• You have at least 8 to 10 years of experience in B2B sales, preferably in the energy sector.
• You have strong commercial skills, are good at building relationships and preferably have an existing network.
• You have experience in energy management, sales, energy advice or project management.

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 

Drive the future of electric mobility in Belgium

Within Luminus Izivia EVCS, a Belgian joint venture between Luminus and Izivia (100% EDF Group) dedicated to developing public electric vehicle charging stations across Belgium, you report directly to the General Manager and work closely with investor and shareholder partners.  

What you'll do 

• You structure and lead the operational deployment of a nationwide ultra-fast charging network, ensuring seamless rollout from design to commissioning 
• You coordinate end-to-end project execution across multiple stakeholders, managing contractors, timelines, budgets, and quality standards throughout the entire lifecycle 
• You validate the design, technical and economic feasibility of public charging projects and ensure the alignment with regulatory requirements and business objectives 
• You monitor network performance, analyze commercial results, and propose strategic adjustments to maximize profitability 
• You manage contractual relationships with site hosts, service providers, and insurance partners, ensuring compliance 
• You support the General Manager in financial planning, budget preparation, and reporting to investors and the Board of Directors 

What you bring 

• You hold a technical engineering degree and bring ideally 5 years of hands-on experience managing end-to-end infrastructure or engineering projects 
• You are fluent in French and Dutch, enabling you to communicate effectively with all stakeholders across Belgium 
• You excel at coordinating complex projects autonomously, from permits and installations to delivery and performance tracking 
• You have strong financial acumen, with proven experience in budget management, forecasting, and reporting using Excel and financial tools 
• You thrive in a dynamic, fast-paced environment and can align multiple parties toward common goals with confidence and diplomacy 
• You are ready to travel regularly across Belgium and occasionally to Paris for training and collaboration with Izivia teams 

Why join us 

• You play a pivotal role in building Belgium's electric vehicle charging infrastructure and accelerating the energy transition 
• You work at the heart of a strategic joint venture between Luminus and Izivia (EDF Group), with access to cutting-edge expertise and resources 
• You enjoy a high degree of autonomy and responsibility, shaping operations and strategy from the ground up 
• You join a small, agile team where your impact is visible and your voice is heard every day 
• You benefit from international exposure, collaborating closely with French counterparts and gaining cross-border project experience 
• You contribute to a sustainable future while developing your career in one of the most exciting sectors of the energy industry 

What you’ll get in return?  

• Competitive compensation: Attractive salary with a performance-based bonus that can be optimized to your personal preferences, plus meal vouchers and netto allowance. 
• Group insurance and hospitalization coverage.
• Company car included for travel to project locations.
• Internet & communication: Home internet covered, reimbursement for a personal mobile device with a phone subscription. 

Turning data into intelligent solutions and algorithms into real-world impact.As an AI/ML Engineer, you bring AI to life : designing, building and optimizing intelligent applications that truly serve end users. You develop GenAI features, craft robust backend systems and APIs and collaborate with data and ML engineers to scale impactful models. You make sure our AI runs smoothly, stays cost-efficient and keep pushing the boundaries by experimenting with new capabilities that shape our customer facing gen AI roadmap.What you’ll do

• Using LLMs like OpenAI or open-source models, you build GenAI agents, workflows and backend services.
• You align AI capabilities with real business value and user needs.
• You translate customer pain points into smart, scalable technical solutions.
• Implementing guardrails and fallback mechanisms, you optimize for cost, speed and stability.
• You collaborate with Data/ML Engineers, frontend, QA and product teams across the full AI lifecycle.
• You share best practices through internal libraries, design patterns and Luminus’ Data & AI Community.

What you bring

• You have strong programming skills in Python and experience with frameworks like FastAPI or Flask.
• You bring hands-on experience with LLMs, prompt engineering, RAG and model evaluation.
• You’re comfortable working with APIs, cloud services and DevOps pipelines.
• You have a sharp analytical mindset with a focus on robustness and maintainability.
• You communicate clearly and collaborate with ease.
• Fluent English is required. Fluency in Dutch is preferred to strengthen team complementarity; French is an additional advantage.

Why join us

• You will be part of a company that drives key changes towards a more sustainable and energy-efficient society.
• You join a team of motivated people with diverse and strong skills, offering you real opportunities to grow and learn.
• You take ownership of projects and make a real impact by defining not just how we do things, but also what we should do.
• You work from home or in a Luminus hub. Nine-to-five, or not? There are options to make your schedule work for you.

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. We can also discuss if you want to work at 80% or 100%.

Together we make the difference