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 projects
Contribute to cloud security, identity protection and compliance efforts
automation & infrastructure engineering:
Leverage automation and orchestration tools to enhance operational efficiency and reduce risks
Manage on-premise and cloud environments (Microsoft 365 / Azure)
Cybersecurity, SIEM & SOC Operations:
Oversee vulnerability management and structured patch governance
Manage IAM and privileged access controls
Implement EndPoint, server and network security hardening
Monitor security logs, tune SIEM alerts and collaborate with SOC teams
Participate in incident detection, analysis, response and post-incident improvements
Support compliance initiatives (ISO 27001, NIS2...)
DevSecOps & continuous improvement:
Integrate security controls into infrastructure and delivery pipelines
Help enhance the overall security posture with a proactive mindset
Incident response & business continuity:
Contribute to disaster recovery planning and business continuity strategies
Conduct 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 AIX
Virtualization (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 tools
Backup and disaster recovery principles
Fluent in French and Dutch English is a plus
Problem solver, critical thinker, with a strong sense of ownership