📍 Brussels - Hybrid (3 days homeworking)🕒 Full-time - Permanent Contract We are looking for an IT Security & System Engineer to strengthen our infrastructure team. In this role, you will design, implement and maintain secure, reliable and scalable IT systems. You will be a trusted point of contact for colleagues, providing timely and accurate technical and security-related solutions to support daily operations and long-term initiatives. Your responsibilities🔐 Security-by-design & architecture:Design robust, secure system architectures and ensure security principles are Embedded in all infrastructure projectsContribute to cloud security, identity protection and compliance efforts⚙️ automation & infrastructure engineering:Leverage automation and orchestration tools to enhance operational efficiency and reduce risksManage on-premise and cloud environments (Microsoft 365 / Azure)🛡️ Cybersecurity, SIEM & SOC Operations:Oversee vulnerability management and structured patch governanceManage IAM and privileged access controlsImplement EndPoint, server and network security hardeningMonitor security logs, tune SIEM alerts and collaborate with SOC teamsParticipate in incident detection, analysis, response and post-incident improvementsSupport compliance initiatives (ISO 27001, NIS2...)🧩 DevSecOps & continuous improvement:Integrate security controls into infrastructure and delivery pipelinesHelp enhance the overall security posture with a proactive mindset📉 Incident response & business continuity:Contribute to disaster recovery planning and business continuity strategiesConduct root cause analyses and propose strategic improvements📅 Project Management: Plan and steer infrastructure/security initiatives, ensuring secure and timely delivery Your profile🎓 Bachelor's degree or higher in IT, Engineering or Cybersecurity🧩 Minimum 4 years of experience as a System, Infrastructure or Security Engineer💡 strong knowledge of:Windows, Linux or AIXVirtualization (VMware, Hyper‑V)Networking (routing, switching, VLANs, Firewalls)Microsoft 365 administration (Azure AD / Entra ID, Intune, Exchange Online)SQL databases (Oracle/MySQL)Scripting (PowerShell, Python, Bash)Cybersecurity frameworks, IAM, EDR, SIEM and monitoring toolsBackup and disaster recovery principles🗣️ Fluent in French and Dutch English is a plus🧠 Problem solver, critical thinker, with a strong sense of ownership