Security Architect – IT, OT & IoT Security

Our client, a leading organization in the transport and infrastructure sector, is looking for a Security Architect to translate strategic directions into technical solutions. The role involves ensuring regulatory compliance and architectural consistency across IT, OT, and cloud environments to protect critical services.

• Design and evolve target security architectures by integrating Security by Design and Privacy by Design principles.
• Perform technical and architectural risk assessments on projects, infrastructures, and industrial systems.
• Define security architecture standards and principles in alignment with frameworks like ISO 27001 and NIS2.
• Lead security intake processes and committees to ensure solution alignment with target architectures.
• Provide expert advisory to project teams on integrating security requirements in SAP and cloud environments.
• Monitor evolving threats and technologies to propose improvements for detection, response, and identity management.

• You have 5+ years of experience in cybersecurity architecture or risk assessment within IT, OT, or IoT environments.
• You possess an active CISSP certification.
• You have a Bachelor’s degree in IT, Information Security, or a related field.
• You possess experience with security frameworks and regulations including NIS2, ISO 27001, IEC 62443, NIST, and GDPR.
• You bring technical expertise in Network Security, Cloud Security, ICAM, and Cryptography.
• You have experience performing Threat Modeling, Business Impact Analysis, and Gap Analysis.
• You possess knowledge of modeling methodologies such as Archimate and CyFun.
• You're proactive and demonstrate strong stakeholder communication skills.
• You are fluent in English with C1 level proficiency in French or Dutch.

Nice to Haves

• Experience with SAP security integration.
• Knowledge of Artificial Intelligence security.
• Additional certifications such as CCSP, CISM, CISA, CGEIT, or SABSA.

• Start date: 07/09/2026.
• Duration: Until 31/08/2027.
• Work regime: Full-time.
• Location: Brussels.
• Working model: Hybrid (minimum 3 days per week onsite).
• Contract: Open to both permanent employees and freelancers.