Routing and switching protocols / technologies: EIGRP, BGP, OSPF, HSRP, NHRP, GRE, DMVPN, PAgP, LACP, VTP, CDP, CEF, VLANS, STP, OTV, TACACS, Radius, NetFlow, QoS, 802.1x. The Day to Day: Working in conjunction with the Infrastructure Manager of Corporate Networks Systems and / or the Network Engineer team, manages the design, installation, and maintenance of the IT network infrastructure.