Network & Security Engineer - PKI - Brussels - ASAP Start - Freelance / CDI

Key Responsibilities

1. Network Security Design & Implementation

• Design, configure, and maintain security solutions (firewalls, VPNs, proxies, load balancers, WAF, etc.).
• Deploy protection mechanisms to prevent intrusions and unauthorized access.
• Contribute to the continuous improvement of network security architecture.

2. Network Monitoring & Performance

• Continuously monitor network activity to detect anomalies or attacks.
• Perform regular security audits and vulnerability assessments.
• Analyse alerts and logs, responding to incidents in real time.

3. Troubleshooting & Advanced Technical Support

• Investigate, diagnose, and resolve complex network and security issues.
• Provide Level 3 support and collaborate with technical and non‑technical teams.
• Participate in incident res...