Customer Support Engineer
Current• Provide full range of networking support to resolve customer reported issues.• Create and escalate tickets with other telcos to troubleshoot customer issues.• Configure and investigate BGP and static routes. Trace out routing paths on Cogent’s global backbone to investigate for latency/packet loss, link errors and congestion. • Configure VLANs and subinterfaces. Troubleshoot MPLS configurations and trace out MPLS paths using forwarding labels.• Perform hot cuts for all layer 1 – 3 services. Select ports, write configs, order dispatches, apply configs, test new circuits and dismantle old circuits.• Work on a variety of Cisco devices such as ASR9000 router, 7600 series routers, 6500 series switches, 4900 series switches.• Test and investigate Ethernet, fiber and LAG links. Troubleshoot errors, packet loss and fiber light levels. Tear down and rebuild circuit configurations. Convert layer 2 circuits to layer 3 in order to configure test IP’s and isolate packet loss.• Work with field technicians to turn up and test new links. Work with data center technicians to investigate cross connects. Perform bandwidth testing with IPERF. • Assist allocating new IP’s to customers and verifiy ownership of customer IP’s and ASN’s using whois databases.• Investigate capacity issues on customer circuits, backbone links and peering links.• Create DNS zones and A, Mx, CNAME and reverse DNS records.• Use management tools and systems including RANCID, Sharepoint and the Provisioning database.