Responsible for building, documenting, and ongoing maintenance of the entire network infrastructure for a nationwide Mortgage company including a 15-site IPSec VPN, multi-homed Internet access, firewalls, layer 3 switching infrastructure, IP Telephony, and Internet DNS and mail relay.  Designed and documented an MPLS pilot network for an international service provider to deliver VPN services, voice and video gateway services, and managed firewall Internet service.  Primary engineer responsible for building and maintaining network to support new building and critical software development project for a Fortune 100 company. Developed formal test and acceptance documentation. Substantially contributed to network design for brand new data center. Helped supervise new data center network build which included over 50 Catalyst 6500 series switches. Significantly involved with IP telephony, remote access VPN, and Internet projects.  Developed and taught in-depth Catalyst 6500 administra