Cogent Communications Work Values

Daily Duties at Cogent Communications:

• Functioned as Team-lead for a team of 5 engineers on the day shift • Troubleshoot DS1, Fast Ethernet, Gigabit Ethernet, DS3, and OC/Sonet/DWDM (OC12-OC192) circuits • Troubleshoot and configure frame-relay T1 and T3 circuits. Troubleshoot PVC, LMI, DLCI and frame-relay link down issues. Create static and dynamic mappings of frame-relay PVCs and configure frame relay point-to point, point-to-multipoint, and fame-relay sub interfaces • Document customer reported issues and troubleshooting solutions in Remedy trouble ticketing system • Troubleshoot proxy server, firewall and NAT (Network Address Translation) customer issues. • Troubleshoot Domain Name Service problems and create new zone files and modify existing zone files • Interface with customer LAN/WAN administrators to assist in setting up various LAN/VLAN/WAN configurations for internet access & router configurations • Provide network support and monitoring of IP backbone and all internet access customers using Netcool monitoring system • Perform diagnostics i.e., pings, loopback testing and other techniques to determine the cause of network/customer outages for DS3, OC3, OC12, and OC48 Customers on Cisco and Juniper high end routers • Troubleshoot customers’ and Cogent’s backbone fiber circuits, routing problems, latency, packet loss and outage issues • Interface with Cisco 15800 Terms, OLA, LEMs, 15454, 15252, 3550 CWDMs, 15200, as they interface with Cisco GSR, 1200 & 7500 Core routers to troubleshoot Metro Rings issues and Long haul Backbone circuits. • Build and troubleshoot fiber circuit outages: Bouncing, LOS, LOF, etc. • Perform loopback testing from within the fiber devices to confirm circuit connectivity • Assist FE with replacing cards to high-end Cisco devices, troubleshooting fiber issues, etc. • Work with various telco’s to isolate physical layer and data link circuitry faults for customer circuits. • Configure and troubleshoot BGP routing configurations and access-lists, prefix-lists, distribute-lists, etc. • Troubleshoot OSPF IGP routing issues from the access routers to the core routers • Troubleshoot ISIS IGP routing issues on Cogent’s backbone • Troubleshoot DNS related issues • Troubleshoot VLANS in Cisco Switches: 3550, 2900, and 5000 series switches • Troubleshoot Gigabit Ethernet & Fast Ethernet customers in Cisco Switches and Cisco and Juniper routers • Handles reports of Acceptable Usage Policy Violations • Investigated mass mail, spam, copyright infringements, child pornography, subpoena compliance, denial of services attacks, and hacking attempts

What they like about Cogent Communications:

Organizations with strong, centralized leadership are particularly attractive to you. You require a work environment with leadership that aggressively seeks to expand and grow the business and does so in a visible and decisive manner. In general you prefer to work in an environment in which there is a strong link between leadership, its actions, and a strong set of company-wide values.

Tags

BGP, OSPF, EIGRP, NOC, NETWORK ENGINEER, NIGHT SHIFT

Skills

CCNP, MCSE, CNA, BGP, OSPF, EIGRP, ISIS, VLAN, IPSEC, VPN, SECURITY

These are some of the questions we asked our climbers about their experiences with Cogent Communications: