DIGI Belgium welcomes you!

We have set foot in the telecom landscape with one clear mission: to disrupt and redefine.

With bold ambitions and an unstoppable drive for progress, we are forging a path that is fully customer-centric and rooted in innovation. Get ready for a telecom revolution, because DIGI BE did not come to simply participate — we are here to lead and transform.

To support us in this mission, we are currently looking for an Information Security Officer. Are you the person we are looking for? Then be sure to read on.

What will you do?

The Information Security Officer is responsible for defining, implementing, and overseeing the company’s information security strategy, ensuring the confidentiality, integrity, and availability of information systems, networks, and customer data.

Key Responsibilities

• Define and maintain the Information Security strategy aligned with business objectives and regulatory requirements.
• Define security requirements for new network deployments, vendors, and technologies.
• Identify, assess, and manage information security risks across IT and network landscapes.
• Ensure compliance with:
• National/European authority requirements
• GDPR and data protection laws
• NIS2 Directive
• Lead the cybersecurity incident response process, including detection, containment, remediation, and post-incident reviews.
• Ensure effective coordination with SOC, IT, Network Operations, Legal, and Communications teams.
• Develop and maintain incident response, crisis management, and cyber resilience plans.
• Ensure readiness for large-scale incidents impacting network availability or customer data.
• Oversee security controls such as IAM, network security, endpoint protection, vulnerability management, and logging/monitoring.
• Ensure continuous monitoring of threats, vulnerabilities, and emerging risks specific to telecom environments.
• Review and approve security architecture and design for projects and changes.
• Ensure contractual security clauses and compliance monitoring.
• Lead, mentor, and develop the information security team.

Required Qualifications & Experience

• Master’s or Bachelor’s degree in Information Security, Computer Science, Telecommunications, or equivalent experience.
• Minimum 3-5 years of experience in information security, with previous exposure to telecom or large-scale infrastructure environments.
• Proven experience securing complex networks and mission-critical systems.
• Experience with regulatory compliance and audits in a telecom context is strongly preferred.
• Strong understanding of:
• Telecom network architectures
• Network and IT security controls
• Languages: French and/or Dutch + English

Certifications (preferred)

• CISSP, CISM, CISA, ISO 27001 Lead Implementer/Auditor, or equivalent.