Proven experience configuring and managing OSPF, BGP, EIGRP, and other routing protocols in complex networks.
Robust knowledge of Layer 3 switching, VLANs, and inter-VLAN routing.
Experience with firewall management, VPN gateways, IPS/IDS systems, and ACLs.
Familiarity with high-availability solutions such as HSRP, VRRP, and GLBP.
Expertise in performance monitoring tools (SolarWinds, PRTG, Nagios) and traffic analysis.
In-depth understanding of QoS policies for voice, video, and mission-critical applications.
Experience with disaster recovery, backup solutions, and network synchronization.
Familiarity with ITIL, PCI-DSS, ISO 27001, and security audit processes.
Ability to work independently and lead complex troubleshooting efforts.
Excellent communication and documentation skills.