Knowledge, Skills: • Excellent understanding of network infrastructures (routing, switching) as well as IPv4 and IPv6. • Working experience with a service provider or telecom communications equipment vendor in designing and configuring IP networks. • Good knowledge of IP routing protocols such as BGP, IS-IS, OSPF and switching protocols (VLANs, Trunking, various flavors of STP) . • Good experience in in MPLS protocols LDP, SR and L2/L3 VPNs over MPLS. • Expertise with configuration and troubleshooting of Cisco routers. • Familiar with networking security technologies. • Fluent in spoken and written English