Sr. Network

Job Title: Network & Systems Administrator
Location: Karachi
Experience: 5–7 years
Employment Type: Full-Time
About Us:
We are seeking a skilled Network & Systems Administrator to manage and secure our enterprise IT infrastructure. This role will be responsible for network operations, server and system management, security enforcement, backup and recovery, and IT operations oversight.
Key Responsibilities:
Network Administration
Manage Fortinet firewalls, including policy control, DPI, IPS, web/content filtering, and SD-WAN routing
Configure and maintain Cisco Catalyst switches and Cisco WLC controllers
Operate multi-ISP SD-WAN, failover routing, and IPSec tunnels
Implement 802.1X authentication with NPS/RADIUS and dynamic VLAN assignment
Maintain captive portal environments and secure Wi-Fi (2.4/5 GHz)
Monitor bandwidth, latency, and interface performance using Zabbix
Diagnose routing, VLAN, or authentication issues at the packet level
Serv...