Ingénieur(e) Expert(e) Réseaux Wan - Lille
Core
Expert Network Engineer responsible for the operational maintenance, evolution, and transformation of WAN and network security infrastructures across multi-site environments.
Role type
Senior IC Network Engineer (WAN & Security)
Builds
Production network infrastructure and security solutions for retail stores, warehouses, and tertiary sites
Domain
Telecommunications / Network Infrastructure / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
WAN technology expertise, network security expertise, complex incident resolution (Level 3), root cause analysis, maintenance planning, technical documentation, multi-site infrastructure management, performance optimization, resilience engineering, solution design and deployment
Preferred skills
Fortinet firewall management, Juniper/Meraki switching, Mist/Meraki Wi-Fi, Aruba ClearPass NAC, Netskope SSE/Proxy, Zabbix monitoring, cloud interconnections
Technologies
Fortinet, Juniper EX, Meraki, Mist, Aruba ClearPass, Netskope, Zabbix, FTTO, Satellite, Fiber
Responsibilities
Maintain operational conditions of WAN and network security infrastructures; analyze and resolve complex Level 3 incidents; identify root causes and propose corrective actions; define and implement maintenance and evolution plans; support internal teams and partners; contribute to technical roadmap definition; accompany network modernization for stores and warehouses; participate in solution studies and implementation phases; maintain technical documentation and procedures; share knowledge within the team; perform technology monitoring
Seniority
Senior, hands-on IC