IT Senior Network Engineer Job ID: JP054360
Job Description:
IT Senior Network Engineer
Overview
We are looking for a Senior Network Engineer to support network segregation initiatives and maintain a modern LAN infrastructure in a critical operational environment. The role focuses on network security, infrastructure modernization, monitoring, and operational support across enterprise and industrial (OT) environments.
Key Responsibilities
- Maintain and upgrade Extreme Networks infrastructure (Switching, WiFi, NAC)
- Configure and manage Extreme switches, Extreme XIQ, and Extreme NAC solutions
- Monitor and remediate network security vulnerabilities (CVE management)
- Provide second-line network support to users and technical teams
- Support disaster recovery and network resilience projects
- Configure and maintain network monitoring solutions (SolarWinds)
- Implement and optimize Nozomi solutions for OT network monitoring
- Support OT network segregation and security initiatives
- Maintain data center network infrastructure and physical equipment
- Produce and maintain technical documentation, procedures, and network diagrams
- Ensure compliance with GDPR, ISO 27001, and NIS2 requirements
Required Profile
- Senior experience in network engineering and network security
- Strong expertise with Extreme Networks technologies (Extreme OS, NAC, XIQ)
- Advanced knowledge of routing protocols, DNS, DHCP, VLANs, LACP, MLAG, and network mirroring
- Experience with Cisco Routing & Switching environments
- Experience with Palo Alto Firewalls and Panorama
- Knowledge of OT/SCADA environments and industrial networking
- Experience with network segregation and cybersecurity projects
- Strong documentation and troubleshooting skills
- Ability to work independently and collaborate with multidisciplinary teams
Languages
- French: Full professional proficiency
- Dutch: Full professional proficiency
- English: Full professional proficiency
Location & Conditions
- Location: Brussels, Belgium
- Work model: Hybrid (minimum 3 days per week on-site)
- Duration: Initial assignment of approximately 2 years (440 days), renewable up to 880 working days
- Work schedule: Full-time (40 hours/week)
- Travel: Occasional travel to operational sites in Wallonia may be required