09/2000 � 08/2002         Tut Systems Inc., Pleasanton, CA (www.tutsys.com)

Tut Systems, Inc delivers industry content processing and distribution products for deploying next-generation video and IP services over broadband networks. IntelliPOP is the full-service, next generation VDSL solution to provide guaranteed quality of bandwidth across multiple applications running over a single pair of telephone wires, supporting speeds of up to 26 Mbps per line.� IntelliPOPcan manage bandwidth and/or VLAN tags by application, by device, by protocol type, or by user. The IntelliPOP system includes the TUT 5212/24, a 12/24-port service gateway, the TUT 5101, 5102, 5112, 5113, a full featured Service Access Unit for terminating services at the subscriber side and the Tut Management System (TMS). Service Gateway and Access Unit are connected through VDSL line. 

Worked as a software engineer in a team environment (supervisor reporting, developer communication, SQA communication, bug reporting, bug fixing, documentation, etc.)

Designed and implemented image upgrade code of IntelliPOP 5113:

• Message communication with the hardware device (3 way handshake)

• User interface implementation

• Work under embedded RTOS(Nucleus), SnmpV2/V3 environment

Reviewed and maintained IGMP multicasting protocol code in IntelliPOP 5000

Designed and implemented Command Line Interface (CLI) using RapidControl to control IntelliPOP:

• Quickly mastered and maintained the third party code RapidControl, SnmpV2/V3

• Restructured the RapidControl code to support various products

• Developed automation tool for CLI acceptance test and CLI stress test using Expect Language

• Designed and implemented CLI of OC3

• Improved the performance of CLI in cpe side significantly

• Added new feature requested by users, bug fixing and maintained CLI code

• Assisted others to use CLI

Evaluated the quality of the Tut Systems Intellipop 5000:

• Tested various functions in IntelliPOP product, such as: VLAN, QOS, Multicasting, ATM, DHCP, Nat, Bridging/Routing, Syslog, Save/Restore Configuration, etc.

• Tested performance of Ethernet Wanlet card and T1 card

• Wrote test plan for the above tests, filed and validated bugs through bug tracking system

• Use SNMPc and SimpleTester to test the mib objects

• Reviewed, and maintained UI automated test tools coding by perl, expect, Tcl/Tk, and Java

• Communicate bugs to developers, customer support, and management, as well as to customers via the Release Notes 

E valuated the quality of the Freegate Firewall Product:

• Tested various functions of the product, such as: Ping, DNS, DHCP, Packet Filtering, NAT, log,  Web Restricting, VPN, Intranet, DMZ addresses, Routes, etc.

04/1997 - 09/1998 ( 05/1998 � 06/1998� in Houston, TX ) 

 Transworld Jibic Information System Co. Ltd., Nanjing, China    

• Network Management: Designed, built and maintained TCP/IP LAN/WAN

• Database Management: Installed and configured application software, wrote SQL queries to extract reports and update routines.

• Troubleshooting: LAN/WAN network, Windows NT 4.0 Server/Workstation, Novell Netware, e-mail system, application software, ArcServer Backup System, etc,.

• Implemented Intranet using IIS (TCP/IP, FTP, HTTP, GOPHER, DHCP, DNS, WINS).

• Network and E-mail System Installation, Configuration and Maintenance: Installed and� configured Cisco switch & router, firewall, DNS, etc. , setup user account and did the management, backup the whole system using ArcServer, etc.

• Maintained PBX (SSU12A by Alcatel) System : Installed software, setup the configuration, software management, connected PBX from patch panel to each extension, solve the problem,     such as: no dial tone, block extension, etc.

09/1995 � 03/1997  Nanjing Research Institute of Electronics Technology      Nanjing, China

Adaptive Control of the Phased Array Radar based on knowledge�

•   Introduced a new method to the adaptive control of the phased array radar

•  Implemented software using VC++ to simulate adaptive radar control (knowledge module, inference module, search module, tracking module, data analysis module, user interface module, etc.)

12/1990 - 07/1994  Nanjing Research Institute of Electronic Technology, Nanjing, China

Worked on medical devices, such as: B model Ultrasonic Diagnostic Equipment, Cardiac Pacemaker.

•   Imaging processing (noise reducing, image improvement, etc.)  

• Software programming using C

• Microprocessor programming using C

• Designed IC layout

• Tested the circuit board