Senior network administrator

Role Overview
We are seeking a Senior Network Administrator to manage and maintain our on-premise network infrastructure. This role involves hands-on system and network administration, proactive monitoring, security hardening, and rapid incident response. You will work closely with IT, Dev Ops, and Security teams to ensure the stability, performance, and security of the infrastructure.
Key Responsibilities Network & Security
Configure and manage firewalls (e.g., Forti Gate )
Create and maintain firewall policies, NAT rules, and VPN configurations
Configure and troubleshoot network switches (Cisco / Huawei / Dell)
Manage VLANs, trunk/access ports, and routing
Configure and troubleshoot BGP with multicast network flows
Troubleshoot network connectivity, latency, packet loss, and routing issues
Ensure adherence to security best practices and access controls
Operations & Support
Provide Tier-2 / Tier-3 support for infrastructure and network incidents
Pro...