Greg Oberfield

Current

• Lead Network Engineering Mgr at AT&T

Past

• Sr. Network Engineer at VirginMobile USA, LLC
• Network Engineer at Copart, Inc
• Network Engineer at Integral Development

• Senior Producer at SocialNet
• Producer, online events - eWorld at Apple Computer, Inc.

see less...

2 more...

Recommended

3 people have recommended Greg

Connections

68 connections

Industry

Telecommunications

Greg Oberfield’s Summary

For the last several years I have specialized in service provider network design, especially MPLS-enabled backbones utilizing MPLS-TE and MPLS-VPN.

I am an experienced network designer and engineer in the service provider environment. MPLS backbone engineering, network security and content networking are current specialties.

Greg Oberfield’s Specialties:

Core network design, MPLS, GSM & UMTS wireless technologies, routing & switching, Cisco and Juniper

Greg Oberfield’s Experience

• Lead Network Engineering Mgr

  AT&T

  (Public Company; 10,001 or more employees; T; Telecommunications industry)

  July 2006 — Present (3 years 5 months)

  Designing backbone networks to carry the voice/data traffic for Cingular Wireless (AT&T Mobility), the largest VoIP network around. Juniper and Cisco based national MPLS network backbone.

• Sr. Network Engineer

  VirginMobile USA, LLC

  (Privately Held; 201-500 employees; Information Technology and Services industry)

  May 2004 — July 2006 (2 years 3 months)

  Senior network engineer for the largest MVNO (mobile virtual network operator) in the US. VirginMobile USA is a pre-paid cell phone network owned by the Virgin Group.
  
  Large-scale service provider network with multiple hardware platforms. Responsible for design, troubleshooting and maintenance. I am the primary network architect for VMU's second datacenter and the lead enginnering resource for ongoing operations.

• Network Engineer

  Copart, Inc

  (Public Company; 1001-5000 employees; CPRT; Information Technology and Services industry)

  August 2002 — May 2004 (1 year 10 months)

  Only network engineer for a company with a high-intensity website, over 100 remote sites and pretty much one of everything Cisco makes.
  
  www.copart.com and www.vb2.com handle millions of hits monthly and are the only real-time auction company for auto salvage. Patent pending technology in VB2 allowing thousands of people to participate, in real time, on auctions.

• Network Engineer

  Integral Development

  (Privately Held; 201-500 employees; Information Technology and Services industry)

  October 1999 — August 2002 (2 years 11 months)

  Network engineer, responsible for design and implementation of internet-based capital markets trading system. Cisco focused network.

• Senior Producer

  SocialNet

  (Privately Held; 11-50 employees; Information Technology and Services industry)

  August 1997 — October 1999 (2 years 3 months)

  Responsible for defining value propositions for the various areas SocialNet dealt in (dating, relating, business). Handled competitive analysis from a systems and user experience point of view. Also system & network generalist (small company, everyone holds mutliple hats)

• Producer, online events - eWorld

  Apple Computer, Inc.

  (Public Company; AAPL; Computer Networking industry)

  1994 — 1996 (2 years )

  Good old eWorld.

Additional Information

Greg Oberfield’s Groups:

Mercersburg Academy Alumni

•    eWorldAlums
•    SmartLab for Green IT Training