Ted Llewellyn Email & Phone Number

Rochester, New York, United States

Data network engineering position responsible for LAN, data center, and wireless connectivity. Troubleshoot and repair network problems, investigation of new technologies, maintain network integrity and security.

Rochester, New York Area

Contractor with the network team. Built a VRF system to segment the network for credit card, video, guest, and DMZ traffic; separating them from day-to-day data traffic. Designed and set up dynamic failover of the City’s main Internet connection to the backup connection using BGP. Analyzed network and developed plans for rebuilding the core, data center, and access networks. Developed core network documentation and diagrams, and advised on network and data center design issues. Upgraded 95% of the network switches without any issues. Provided tier 3 support for outages. Built a GNS3 server for the team to use as a network simulation “sandbox”, and provided training for its use.

Rochester, New York Area

Short term position supporting the core network, data centers, and new customer installations. Also provided tier 3 support for the Network Operations Center and performed network troubleshooting.

Planned and implemented the MPLS VPN network supporting VOIP server communications across the country. Managed network support for installations of VOIP feature servers, application servers, media gateways, session border controllers, and supporting network equipment in about 20 locations nationwide. Configured and maintained Internet-facing firewalls for nationwide VOIP infrastructure. Developed company standard for VOIP service performance on customer LANs.Engineering lead on IP PBX and Integrated Access Device (IAD) product lines for new VOIP service revenue streams.Created Linux-based system for LAN analysis tests and VoIP installation trouble-shooting, saving tens of thousands of dollars that would have been spent on off the shelf test equipment.

Retained 2000 customers by guiding them through company-mandated IP address change. Handled all phases of customer contact, network changes, and technical trouble-shooting as necessary.

Rebuilt network around new 50-cabinet data center, completed on time and under budget, creating new hub for North American operations.Completely rebuilt LAN, doubling capacity so Stamford could act as a disaster recovery site for New York.Migrated point-to-point T1s to VPNs, saving over $3000 per month in connection charges.Built new DMZ for Internet access, increasing capacity and security by replacing the WAN link, physical wiring, and firewall and intrusion detection systems.

Data systems networking consultant for Credit Suisse, Merrill Lynch, United Rentals, and others.