wireless data network operation/ network engineer

Haiming Chen

*** ********* *** ****: 416-***-****

Mississauga, ON L5C 1G5 E-mail: ********@*****.***

Wireless Data Network Operation/ Network Engineer

SUMMARY OF QUALIFICATIONS

• Bachelor's degree in Computer Technology and certified in A+, MCP/MCSA

• 10+ years Tech Support in Telecom field, 7 years in Wireless Communication Provider

• Experienced in Sun Solaris 8.0, Windows Server2003, Network Administration

• Familiar with Cisco/ Huawei layer 2/3 routers/switches configuration

• In depth knowledge of TCP/IP, Mobile Telephone and PBX switching

• Proven hands-on troubleshooting and problem-solving skills on IP/GPRS Network

• Quick learner, detail-oriented, self-motivated

• Excellent interpersonal and organizational skills

• Ability to work in a team environment and independently

TECHNICAL SKILLS

• Networking: GSM/GPRS,LAN/WAN/WLAN setup, Router/Switch configuration, VPN, ADSL, Cable TV, NAS, VoIP Telephony, Fiber Optic SDH Transmission, DNS, DHCP, Active Directory, Group Policy, SONET(OC3-192),T1/E1

• Protocol: WAP, WML, TCP/IP, 802.1x, RADIUS,IPSec/L2TP, GRE, GTP, RIP,OSPF, MPLS, H.323, X.25, SIP, G.703, SS7

• Operating Systems: SUN Solaris 8.0(Unix), RedHat9.0(Linux), Windows Server 2003, Exchange Server 2003,

• Applications/Tools: Sniffer, HP OpenView, VMware Workstation, MS Office Suite,

• Products: HUAWEI/Motorola GPRS Platform(SGSN/GGSN/CG), Cisco Catalyst 2948/4003/7507, Juniper580, Cisco PIX525, HUAWEI NE 16/40/80,

• Language/database: Java, C+, Oracle, SQL

EXPERIENCE

Acer America Co. Canada Branch, Mississauga 2007.6-2009.2

PC/QA Repair Technician

• Tested/diagnosed/repaired Acer/Gateway/eMachine notebook PCs, desktop PCs and LCD monitors

• Loaded factory default image of Acer/ Gateway/eMachine PCs by using specific utilities like Hiren9.6

• Resealed PCs to factory default conditions by using built-in Sysprep utilities

• Managed tracking and quality control

CIBC Mellon, Toronto 2006.7-2006.9

Helpdesk Support

• Deployed and upgraded employee’s desktops from legacy operating system to Windows XP Professional

• Carried out backup and system restore to prevent crucial data loss on clients’ computers

• Troubleshot various upgrading related scenarios

• Offered general help to employees’ technical inquiries

Haiming Chen 416-***-**** ********@*****.***

Data Center of China Mobile, Liaoning 1999-2005

Customer Support Specialist (2002-2005)

• Responsible for tech support of China Mobile Data Communication Network (CMnet), which is the largest and most complicated data communication network in the world

• Deployed and modified data on Cisco/Huawei routers/switches of related network element on requested

• Coordinated trouble shooting with Content providers, service partners and internal departments to resolve network issues

• Performed daily maintenance and trouble shooting of the clients’ GPRS/VPN/ WLAN network elements

• Provided 7x24hr on-site support for IP backbone nodes disaster recovery

• Wrote monthly reports to analysis alarms and statistical measurements to investigate service affecting conditions for network optimizing

• Traveled and presented to target groups how to make use of China Mobile’s wired and wireless Data Service Application

Network Engineer (2000-2002)

• Daily supervision and trouble shooting of GSM/GPRS elements (SGSN, GGSN, CG and Radius Server)

• Backed up bill files from CG to external backup discs

• Routine tests and monitoring of GPRS related network elements

• Tested wireless internet access(by handset, laptop, PCS, etc) on hot spots

• Traced certain GPRS subscriber by software utilities for detailed analysis

• Wrote weekly statistic traffics reports on GPRS platform for network optimizing

• Assisted manufactory’s engineers during GPRS system upgrading

Training Instructor (1999-2000)

• Trained over 800 Company’s employees from 14 branches regarding BOSS system billing software usage

Telecommunication Science & Research Institute of Liaoning 1989-1999

Technical Support Technician

• On-site technical support for Nortel SDH Fiber Optical Telephony Transmission system

• On-site technical support for Australia Broadband Pacific Fiber Optical-Coaxial Cable TV system

EDUCATION

CompTIA’s 2003 A+ Certification, MCP/MCSA, Etobicoke 2006

Microsoft Office Suite Specialist, Etobicoke 2006

BSc, Computer Technology, Beijing University of Posts and Telecommunications, China 1989

Reference available on request

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