Senior Network Engineer - Permanent

Context

As a Senior System Engineer, you will play a key role in the design, implementation, operation, and optimization of enterprise network and security infrastructures. You will be the technical authority for WAN, LAN, and Wireless environments, with deep expertise in Fortinet, Aruba. This role requires strong troubleshooting capabilities, hands‑on operational experience, and the ability to work independently.

Missions

• Design, implement, operate, and optimize enterprise network and security infrastructures
• Serve as the technical authority for WAN, LAN, and Wireless environments
• Troubleshoot complex network and security issues independently
• Manage firewall rule design and policy management
• Ensure high availability and failover designs are implemented and maintained

Tools & Environment

WAN / Security

• Fortinet (FortiGate, FortiManager)
• SD‑WAN architectures
• BGP routing
• IPsec VPN technologies
• Firewall rule design and policy management
• Advanced troubleshooting and debugging

LAN

• HPE Aruba switching
• Cisco enterprise switching
• Core switching environments
• Aruba Central (on‑prem)
• VLANs, routing, redundancy

Wireless

• Aruba Access Points
• Aruba AirWave
• Enterprise Wi‑Fi design and troubleshooting

General Networking

• Strong understanding of TCP/IP, routing, and switching fundamentals
• Experience with enterprise network monitoring and logging
• Knowledge of high‑availability and failover designs