IP address planning (subnetting)

Implementing Virtual Local Area Network (VLAN) configuration

Implementing IP routing (RIP, OSPF, Static route, BGP, Default route)

Implementing network security such as but not limited to port security, access control list, DHCP snooping.

Configuration of enterprise grade network switches, routers, firewall and access points.

Network design from scratch for small to medium size businesses. 

Creation and sourcing of networking equipment for clients resulting in bill of materials.