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IT Senior Network Engineer JP054360
Job Location:
Monthly Salary:
Posted:
26 June 2026 (30+ days ago)
Posted:
Application Deadline:
23 September 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Senior Network Engineer (Extreme Networks) Brussels Belgium Long-Term Contract
About the Role
We are currently seeking an experienced Senior Network Engineer to join a major infrastructure and security transformation program based in Brussels. The successful candidate will play a key role in implementing network segregation initiatives maintaining LAN infrastructure and enhancing network security and resilience across both IT and Operational Technology (OT) environments.
This is a long-term engagement offering the opportunity to work on critical infrastructure projects industrial networks disaster recovery and cybersecurity initiatives.
Key Responsibilities
- Maintain and upgrade the Extreme Networks infrastructure
- Configure manage and troubleshoot Extreme switches and wireless environments
- Monitor and address LAN-related security vulnerabilities (CVEs)
- Provide 2nd-line network support to internal users
- Participate in Disaster Recovery (DRP) projects including design and implementation of Extreme hardware solutions
- Perform data center maintenance activities including rack installations and hardware management
- Configure and maintain SolarWinds monitoring solutions including dashboards alerting testing and implementation
- Configure and support Nozomi solutions for OT environments and industrial network monitoring
- Manage and optimize Extreme XIQ platform deployments
- Improve OT network resilience and segmentation
- Fine-tune and optimize existing Lynx8 implementations
- Produce and maintain technical documentation network designs change records and operational procedures
- Ensure compliance with GDPR ISO 27001 and NIS2 security standards
Required Skills & Experience
Networking
- Extensive experience with Extreme Networks technologies
- Strong knowledge of Extreme OS Extreme NAC and Extreme XIQ
- Advanced Cisco Routing & Switching experience
- Expert understanding of routing protocols
- Strong experience with LACP MLAG Mirror Ports and network redundancy
Security & Infrastructure
- Expertise in Network Segmentation and Security
- Experience with Palo Alto Firewalls (Panorama and PAN-OS)
- Knowledge of cybersecurity requirements for critical or essential service operators
- Familiarity with ISO 27001 and security governance frameworks
Monitoring & Tools
- SolarWinds IPAM and monitoring solutions
- Nozomi for Operational Technology (OT) networking
- Experience with Lynx8 networking environments
Network Services
- DNS
- DHCP
Documentation
- Strong technical documentation and reporting skills
Preferred Experience
- Participation in large-scale network segregation projects
- Experience managing industrial networks and SCADA environments
- Experience working within critical infrastructure utilities manufacturing or industrial environments
- Disaster Recovery and Business Continuity projects
Language Requirements
- French Professional Proficiency
- Dutch Professional Proficiency
- English Professional Proficiency
Location & Working Model
Brussels Belgium
- Minimum 3 days per week onsite in Brussels
- Occasional travel to production sites across Wallonia
- Full-time assignment (40 hours per week)
Contract Details
- Start Date: ASAP
- Duration: Long-term contract until June 2028
- Potential extension available
