Design Solutions That Power the Future !

Join our team as a Functional Analyst.

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? Continue reading to discover the value a Functional Analyst can add.

As a Functional Analyst,

you’ll bridge business needs and IT solutions, working on critical energy applications. You’ll analyze requirements, design features and support development to deliver seamless, high-impact systems. Your solid background in IT and hands-on development experience will be essential in translating complex technical challenges into functional solutions.

You’ll join an Agile team where you collaborate closely with architects, product owners and developers. Your job? Ensure that every design decision adds value and accelerates delivery.

What you'll do

Transform business requirements into scalable, future-proof IT designs
Ensure solution alignment with the broader architecture in collaboration with the Solution Architect
Estimate workload, guide implementation, and oversee solution quality
Help teams deliver on-time and in line with standards, ensuring value for money
Actively review and improve existing designs to support a stable and modern landscape
Share knowledge and coach peers within your domain
Guide both business and technical stakeholders to the best-fit solution

What you bring

At least 3 years of experience as a Solution Designer and a degree in IT or equivalent experience
Comfortable working across technologies like AWS, CI/CD, serverless, SQL/NoSQL, APIs and event-driven systems
Fluent in both the language of developers and business stakeholders
Able to present your ideas clearly—using diagrams, models or documentation
Hands-on approach with APIs, queries, logs, or basic scripts
You think in reusable components and scalable patterns
Fluent in English and either Dutch or French

Why join us?

At Luminus, you become part of an organisation that truly invests in its people and the future of energy. Our dynamic ICT environment puts you at the center of innovation, digitalisation, and sustainability.
You’ll collaborate with talented, passionate professionals in cross-functional teams that deliver impactful energy solutions. You’re given the autonomy to grow, the tools to innovate, and the mission to make a real difference.
Whether it’s improving the digital customer experience, building smarter grid solutions or enabling energy-efficient innovations—your contribution matters.

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 !

Functional Analyst

Need more information or help?