The document is a resume for Bill Wang, who is pursuing a position as a wireless telecom network engineer. It summarizes his qualifications including over 7 years of experience in mobile telecom companies in Canada, a Master's degree in computer applications, networking certifications, programming experience, and experience working with various network elements and protocols. His professional experience includes roles optimizing and troubleshooting UMTS, LTE, IMS and other mobile networks at companies such as Rogers, TELUS, Bell Mobility, and Nokia-Siemens.

1. Bill(Jiliang)Wang
46 Foxton Rd.Markham,ON. L6B 0A9
Tel: 647-997-5927(cell), 647-797-4567 (home)
E-mail: jjllwang@hotmail.com
OBJECTIVE
Pursuing an UMTS/LTE/IMS/VoLTE/VoWiFi Wireless Telecom Network Engineer/Specialist position in
a progressive environment
SUMMARY of QUALIFICATIONS
• Over 7 years experience in Canada Mobile Telecom Companies such as TELUS, Rogers, Bell
• 10 years experience in Nokia-Siemens Mobile Telecommunications Company
• Master’s degree of Engineering in Computer Applications
• CCNA/CCNP(Routing & Switching) Certifications
• Author of text book “Network Optimization of Switching Subsystem” widely used among hundreds
of Telecom clients of Nokia-Siemens Networks
• Over 3 years C/C++ Programming experience
• Strong ability of trouble shooting, case analysis, network performance analysis
• Hard worker, quick learner, can work well independently as well as a team member
PROFESSIONAL EXPERIENCE
• Ericsson GSM/UMTS/LTE Packet Core Network Elements: SGSN/MME/SSR(SGW+PGW)/GGSN
• Ericsson IMS/VOLTE Network Elements:SBG/P-CSCF,S-CSCF,MTAS,IP WORKS (ENUM,EMA)
• CISCO LTE Core Network Elements::MME,SGW/PGW
• NSN UMTS Core Network Elements:MSS(DX200)&MGW,HLR-FE,SGSN&GGSN,Node B
• NSN 3G Wireless Products: RNC, Node B(WCDMA/UMTS),BSC,BTS(GSM&GPRS)
• Huawei 3G Wireless Network production: RNC, Node B
• Protocols: SS7,SIGTRAN,RANAP,CAMEL,H.248,ISUP,SIP/SIP-I,Diameter,GTP-C/v1/v2,AAA
• Mobile telecom network analysis tools: Astellia solution (Linux,Oracle,MySQL),Tektronix
Geoprobe(Iris),Netscout, Brix
• IP-Convergence Network: TCP/IP& UDP/SCTP,OSPF,BGP,HSRP/VRRP,MPLS
• CISCO Routers:2500,2600,7613,CISCO Switches:2950,3550,4948
• Operating system: Linux Red Hat (5.0), Windows 2008 R2, Windows XP,Windows8
WORK HISTORY
Rogers Communication Inc. Jan.2015—July, 2015
User Profile&Packet Core TAC
• Operate and Maintain Rogers GSM/UMTS/LTE PS Network Elements:
SGSN/GGSN/MME/SGW/PGW
• Upgrade software Version of SGSN/GGSN/MME/SGW/PGW
• Troubleshoot UMTS/LTE/IMS Network issues such as KPI failure alarm, Diameter authorization
failure etc. using Tektronix network monitoring tool
TELUS Technology Strategy Mar.2009 –Sept. 2014
UMTS/LTE Wireless Network Engineer
• Troubleshoot a lot of issues(LUP/MOC/MTC/MMC/CSFB,SMS) existing on TELUS UMTS CS
network and Optimized the TELUS UMTS CS network using Astellia solution and Geoprobe
1

2. • Troubleshoot a lot of issues(RUA/PDP session setup/drop etc.) existing on TELUS UMTS PS
network and Optimized the TELUS UMTS PS network using Astellia solition,Geoprobe
• Troubleshoot a lot of issues(TAU/EPS Bearer etc.)existing on TELUS LTE network and Optimized
the TELUS LTE network using Netscout
• Responsible for providing case analysis and solution for issue report from clients and NRC team
• Providing case analysis support for MSO,Engineering team as a key staff of TELUS Tier3 technical
leadship team
• Evaluating and Supporting LAB validation and execution to identify impacts and concerns early
• Keeping monitoring on CS/PS network and Identifing/resolving ongoing network issue ,KPI
abnormalities and guarantee the network health after network elements upgraded
• Implemented SS7 SIGTRAN (SCTP,M3UA) test of UMTS network among MSS,SGSN,HLR-
FE,STP and RNC“” before Telus launched UMTS in 2009
• Administrating Astellia solution and Geoprobe (troubleshooting,topology file update etc.)
Wireless Technology Innovation Center of Bell Mobility Inc., Canada Sept.2008--Mar.2009
UMTS Wireless Network Engineer
• Trained Nokia-Siemens HLR-FE for Bell internal staffs including architecture of HLR-FE, C-NTDB,
HLR-FE configuration in Bell Lab.
• Performed Initialization and creation of Siemens HLR-FE database including Cisco 4948 Switch
VLAN, HSRP, IP Routes, SCTP, M3UA, SCCP and MAP
• Implemented Integrated Test of Nokia MSS(DX200),MGW(IPA2800),Siemens HLR-FE with Nokia-
Siemens RNC, Huawei RNC
• Operated, Maintained Nokia-Siemens MSS(DX200),MGW(IPA2800),Siemens HLR FE
NTG Clarity Networks Inc., Markham, ON. May, 2007-
Dec.2007
Data Analyst
• Analyzed Telecom Network Architecture for Pennsylvania Power Limited Telecommunication
project
• Set up data model for structured voice, data network system
• Implement OC-n Ring, Facility, DS3/DS1 CLR data migration based on NTS Server(Oracle
Database)
• Created and modified NTS/SQL modules that facilitated the transfer of data between customer
based Excel data sheets and an Oracle based NTS Management system.
• Analyzed and diagnosed data modules from customers, Initiatively consulted with customer and
provided issues solving proposal
SIEMENS Mobile Telecommunication Company Ltd., Shanghai, China
1997-2007
Service Engineer 1997-2000
• Implemented on-site commissioning of GSM&GPRS projects for China Mobile, Unicom Operators
• Supervised entire project process from offline test to online service
• Investigated, managed trouble reports, testing, diagnostics, fault isolation
• Operation and Maintenance Voice and Data Network
Technical Support Engineer (TAC2:Technical Assistant Center Level2) 2000-2002
• Tested mobile performance features after system upgrade
• Analyzed cases, provided solutions for field service engineers, customers
• Integrated and Tested mobile application such as WAP, SMS, MMS, Email, Fax/Data etc.
• Modified database and adjusted system parameters
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3. • Wrote patches-using procedure, switch subsystem upgrade procedure
Network Optimization Engineer 2002-
2003
• Analyzed KPI of GSM&GPRS Network
• Evaluated network performance (e.g Handover, Call drop, QOS, Traffic Load, Load balance etc.)
• Provided solution of improving KPI
• Authored text book “Network Optimization of Switching Subsystem” including Case Analysis
(Power Measurements, Traffic Measurements, Radio interference, SS7 Parameters, MSC
database etc.)
Trainer 2003-2007
• Implemented on-site commissioning of SGSN&GGSN/MSC-Server&MGW for UMTS 3G trial
project of WuHan Teleco, China
• Configured, Maintained, VLAN, Routing Database of GGSN based on Cisco 7613 on LAB
Trained clients, internal staffs in:
• “CCS7 Signaling for GSM&GPRS”, ”Core Network Commissioning and OAM”, “Advanced
Database Administration”, UMTS System Introduction and System Architecture”, ”UMTS CN OAM
(CS&PS)” and “UMTS CN Signaling”, “SIP Introduction”
• “Cisco Router & Switch OAM”, Siemens R4 Core Network Products: ”SGSN/GGSN”,”MSC-
Server/MGW”, Siemens 3GPP products such as WiMAX ,HSDPA
• Nokia UMTS 3G CS Switching Subsystem (MSS,MGW) based on DX200,IPA2800
Motorola Inc., China 1996-
1997
Field Service Engineer
• WMG (Motorola Paging system) installation, which included software/hardware implementation,
installation, conducted test and provided on-site maintenance service based on Solaris
• Integrated with variant software, hardware systems
• Upgraded software programs to enhance product efficiency
Lucent Technologies Equipment Co. Ltd., China
1995-1996
Develop Engineer
• Developed communications software of SLC-240 using BORLAND C++ 3.1 and 4.0
• Localized SLC-1000 under environment of Solaris 2.4 for X86
CONTEC Electric Technology Corp, Shanghai, China 1993-
1995
Develop Engineer
• Developed FIFO ASIC chip using VIEWCAD application software
• Designed interface schematic for FFT ASIC chip using ORCAD application
• Developed driver software for PULSE LOGGER board using Microsoft C 7.00/MASM 6.00
Fisheries University, Shanghai, China 1986-1990
Assistant Professor
• Taught computer languages C, C++, PASCAL, FORTRAN, BASIC
EDUCATION
Xincon Technology College, Canada; Cisco CCNA/CCNP Certifications Nov, 2007-May,
3

4. 2008
Siemens Training Institute, Germany; Communications Networks System Specialist May-
Nov,1998
Tong Ji University, Shanghai, China; Master Degree in Computer Applications 1990-1993
Shanghai Tie Dao University, Shanghai, China; Bachelor Degree in Computer Engineering 1982-
1986
Reference Available
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