Preferred qualifications include Cisco certifications (CCNA, CCNP/DP, CCIE), strong knowledge of QoS, Layer 2 protocols, MLAG, EVPN, multicast, and scripting tools such as Python and Ansible. Expertise in routing protocols (BGP, OSPF, RIP), VXLAN overlay networking, and designing LAN/WAN/Data Center solutions for large enterprises is required.