Contract: 6 Months (Extension possible)
Sector: Manufacturing
Languages: Fluent French or Dutch (English a plus)
Start: ASAP
Overview We are seeking an experienced Network Security Engineer to support a manufacturing client in Brussels. This is a hands-on role focused on securing, supporting, and optimising enterprise network and security infrastructure across IT and production environments.
Responsibilities Design, implement, and support secure network infrastructure
Manage firewalls, VPNs, routing, switching, and network segmentation
Support security technologies including IDS/IPS, NAC, and secure remote access
Maintain and improve IT/OT network security and segmentation
Investigate incidents, perform vulnerability remediation, and support security hardening
Collaborate with infrastructure and operations teams on security initiatives
Support documentation, change management, and continuous improvement
Required Skills Strong network security engineering experience
Expertise in TCP/IP, DNS, DHCP, BGP, OSPF
Hands-on experience with Cisco, Palo Alto, Fortinet, Check Point or similar
Strong knowledge of firewalls, VPNs, IDS/IPS, and network segmentation
Experience in enterprise or manufacturing/OT environments preferred
Knowledge of ISO 27001, NIST, or IEC 62443 is a plus
Zero Trust or cloud security exposure (Azure/AWS)
Automation/scripting (Python, Ansible)
Certifications such as CCNP Security, PCNSE, CISSP
Profile Hands-on and practical approach
Strong troubleshooting and communication skills
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