Tom Li

4013 Blacksmith Dr.

Garland, Texas 75044

Mobile: (909) 918-6654

  · Commissioned IMS, VoLTE, LTE, CMDA, G/U network

  · Supported comprehensive mobile network solutions portfolio for wireless operators including both

platforms and handset devices.

Email: tomli972@gmail.com

SUMMARY

  · Participated in all phases of the product development cycle including requirement gathering,

design, implementation, and testing.

  · US Citizen

  · Telecom Experience: IMS, SIP, VOLTE, LTE, CDMA, G/U, SS7, SIGTRAN

  · Programming Experience: C, C++, SQL, C#, Java

TECHINCAL SKILLS

PROFESSIONAL EXPERIENCES

Huawei Technologies USA, Plano, Texas

Core Network Engineer

2010-Present

  · Deployed VoLTE network to showcase Huawei VoLTE solutions; provided informal knowledge

transfer throughout the engagement.

  · Analyzed VoLTE signaling, voice, data and application KPIs (accessibility, retainability,

performance and others) and ensure their accuracy, consistency and reliability

  · Interacted with the customers’ technical teams to understand customer processes and promote the

usage and value of Huawei product in those processes.

  · Helped customers to analyze their network problems and outages based on Huawei network logs

  · Performed advanced VoLTE and LTE call processing troubleshooting with focus on SIP,

RTP/RTCP, Diameter, SS7 protocols and various interfaces.

  · Worked closely with Product Verification teams, R&D, Project Management, Customer Support,

Sales & Marketing, and third party vendors to provide technical solutions and core subject matter

expertise.

Kodiak Networks, Plano, Texas

System Engineer

2006-2010

  · Provided pre-sale and post-sale support for a mobile solution portfolio comprised of a PTT

platform, an integrated mobile application suite, and clientless user interfaces for Open OS and

embedded devices.

  · Analyzed and debugged system logs to provide immediate resolutions for customers, improving

end user experience.

  · Installed, configured, and tested the Realtime Exchange System for wireless providers throughout

North America, Central America, and South America.

  · Designed and performed integration/system tests for both hardware and software platforms to

minimally impact existing customer base.

  · Served as technical contact for internal and external customers, ensuring their satisfaction.

  · Performed mobile phone firmware acceptance tests for different vendors, using Qualcomm brew

logger tools, Motorola firmware tools, and LG firmware tools.

Tom Li ● 4013 Blacksmith Dr. Garland, TX 75044 ● (909) 918-6654 ● tomli972@gmail.com

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  · Wrote Oracle SQL script to configure customer database.

Carrius Technologies, Richardson, Texas

2004-2006

Member of Technical Staff

  · Designed and developed the SIP Interface to Third Party Application Feature in C++ that enabled

other vendors to control the gateway through 3PCC.

  · Designed and developed the SIP Redirect Server Support Feature and H323/SIP Call Hold feature

for the existing SIP user agent in the company’s intelligent IP gateway.

  · Wrote and executed integration test cases for SIP Nat/Firewall feature that allowed different

software modules to be integrated seamlessly.

  · Supported system test engineers to eliminate various bugs associated with the VOVIDA sip stack,

resulting in a dramatic improvement in the overall system stability.

Intel (Trillium Digital System), Los Angeles, California

Software Engineer

2001-2003

  · Designed, developed, and tested the Distributed MGCP/MEGACO protocols in C that enabled

customers to bring products to market in an expedited manner.

General Bandwidth, Austin, Texas

Software Engineer

2000-2001

  · Successfully developed an embedded MGCP compliant call agent interfacing with different IADs

for the 1st generation VoIP/VoDSL gateway using C++.

Alcatel, Plano, Texas

Software Engineer

1995-2000

  · Developed and tested a new feature for the MCI Tandem Switch to improve customer production

cycle time.

  · Performed hands-on trouble-shooting with system test engineers to solve various problems

associated with new software releases that ensured the customers received a bug-free product.

EDUCATION

University of Texas at Dallas, Richardson, Texas

MS Computer Science, (Software Engineering)

BS Computer Science

  · Provided technical support to customers and project managers on new requirements slated for

future software releases.

  · Participated in the VoIP/VoDSL gateway product marketing meetings to determine the specific

requirements of the product.

  · Contributed, implemented, and updated project plans that allowed the company to track the

progress of the product throughout the development cycle.

Tom Li ● 4013 Blacksmith Dr. Garland, TX 75044 ● (909) 918-6654 ● tomli972@gmail.com

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