Greg Oberfield

Sr. Network Design Engineer

Greater Chicago Area

Current
  • Lead Network Engineering Mgr at AT&T
Past
  • Senior Producer at SocialNet
  • Producer, online events - eWorld at Apple Computer, Inc.
Connections
67 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 2006Present (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 2004July 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 2002May 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 1999August 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 1997October 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)

    19941996 (2 years )

    Good old eWorld.


Additional Information

Greg Oberfield’s Groups:

Mercersburg Academy Alumni

  •    eWorldAlums
  •    SmartLab for Green IT Training

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