Job Description

Protect the heart of our energy production. Shape the future of OT Cybersecurity.

As an OT Cybersecurity Expert you play a pivotal role in securing the operational technologies that keep our electricity production running safely and reliably. You become the go‑to expert within the CIND team, guiding projects, assessing risks, strengthening defenses, and ensuring our sites are resilient against ever‑growing cyber threats.

What you’ll do

• You provide expert OT cybersecurity guidance for projects, system changes and vendor evaluations.

• You perform risk and vulnerability assessments, translating findings into clear and actionable mitigation plans.

• You develop and maintain OT‑tailored Incident Response Plans and coordinate IR/DRP exercises.

• You conduct cyber assessments across all OT sites and help design and improve cybersecurity controls and architectures.

• You support governance activities, contract evaluations, CFAT/CSAT processes and ensure correct implementation of OT policies.

• You collaborate closely with industrial network teams, IT cybersecurity experts, site owners and EDF stakeholders while reporting on KPIs and cybersecurity performance.

What you bring

• You have a Master’s degree in Industrial or Civil Engineering and strong hands‑on experience in OT or industrial cybersecurity.

• You bring solid knowledge of risk frameworks, vulnerability assessment techniques, AD security and network segmentation principles.

• You combine analytical skills with strong communication, structure and ownership.

• You collaborate naturally with engineers, vendors and cybersecurity specialists across different domains.

• You remain proactive, solution‑oriented and able to keep a helicopter view in a fast‑changing environment.

• You are fluent in FRENCH or DUTCH AND English.

Benefits of working at Luminus

• 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.

• You will have plenty of opportunities to learn and further develop your talents.

• You work with advanced OT network and cybersecurity technologies in a highly strategic environment.

• 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

Requirements