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June (XiaoJun) Yan
120 Raglan Avenue Apt# 105 Toronto, ON M6C 2L4
. (647)-241-9658
. yan59@yahoo.com
A highly talented and accomplished Information Technology Professional with over 7 years extensive experience in Network and System Quality Assurance
Systems QA Engineering Specialist with background in installation, configuration, verification/validation, maintenance and tuning, troubleshooting of Access and Core in large telecommunication wireless network system.
Experienced in system analysis, capacity, performance, disaster recovery and security testing in large complex system platforms.
Adept at system-level of structured system analysis. Strong in problem solving skills providing solutions by integrating new IT technologies.
Proficient in determining system requirements and resolving technical issues. Effective team player in fast-paced, deadline-driven environments.
Self-motivated, quick learner with outstanding presentation and communication skills.
Unique knowledge and experience in both the civil engineering and computer science fields.
Technical Skills
Operating system UNIX / Linux, Solaris 10 OS-Sun Microsystems, IBM AIX, HP, Windows NT/2000/XP
Hardware IBM AIX P6 HE, P6LE, P570, P52A, Ballenger, Langley 4, HS21 Blade, SLU, SGU, SAPI
Server, Tape libraries, EMC storage arrays (CX300, CX3-40), DPM3, DPM2, Alcatel-Lucent 800/900/1800/1900/2100, BTSs, Passport
Network 3G/UMTS/HSPA, Diameter AAA protocol , SS7,CAMEL,VoIP, SIP, SIGTRAN
CORBA, and SS7 with IP-base various Protocols , LAN/WAN, T1/T3, TCP/IP, WINS
DHCP, DNS, Ethernet, Fiber optics.
Software Tools OCS/Openet JMeter/SoapUI/XML, Vertias cluster Oracle RAC, IPSPY, RADCOM ,
Cell QTP, RFSIM,Performer and TGEN traffic generating tool. Rational Clear Quest,
Mercury/HP center
Applications PC-GUI, Weblogic/Websphere, RHT/ASYNCJAM, SQL server, SMS,
SS7, IVR, Alcatel-Lucent OAM, Mycom-NIMS-PrOptima. Microsoft Word, Excel, PowerPoint.
Languages C / C++, JAVA, UNIX/Linux Shell, TSP, SQL, HTML, XML,WICL,VB script, Java script
Professional Experience
Communication Engineer, Bell Mobility Inc. Toronto, Ontario Canada ( 2010 - Present )
Key member of wireless data charging and control team. Performing functional and regression testing for patches and fixes. Verifying new features and CS/PS call flows on 3G(HSPA)end-to-end platform conducted with disaster recovery environments by using real mobiles.
Configuring , Monitoring and validating mobiles scalability and performance on 3G(HSPA) wireless network during normal operation by using special telecom software fusionworks/Openet for Billing and Rating environments.
Troubleshooting and debugging traffic issues encountered during normal operation and opening the issue tickets.
PQA Engineer, Comverse Technology Inc. New Jersey USA (2008 2010)
As a key member of RAMP team installed, configured, certified IBM AIX P6HE, P6LE, P570, P52A, Ballenger, Langley 4, HS21 Blade and security server of Comverse Pre-Paid / Converged/ComverseOne product components on E2E platform conducted with disaster recovery environments.
Created and executed functional/extreme, disaster recovery test cases from system-level requirements.
Performed System Migration on real time billing/rating, SLU, SGU, SAPI Server and site switchover, failover, switchback operations in Disaster Recovery environments.
Performed system regression testing using automation QTP tools/scripts, focusing on Install-ability, Reliability, Availability, and Maintainability.
Verified and tuned database sizing, capacity and performance on billing /rating server, conduct with all applications.
Monitored all alarms on billing/rating server and all Comverse Pre-Paid/Converged/ComverseOne products of the components from security server.
Debugged and troubleshoot hardware/software issues during the load running, tracking and opening defects using Rational Clear Quest defect-tracking tools.
Worked directly with Software Development Engineers and performed the agile testing, meeting all customer requirements and release deadlines.
Setup test-beds, designed and executed tests, and reproduced field related problems. Assisted in unit, system integration, and Functional tests.
Systems Quality Assurance Engineering Specialist, Alcatel-Lucent, Inc. Ottawa Ontario Canada (2006 2008)
Performed installations and configurations of Alcatel-Lucent 800/900/1800/1900/2100 and multi BTSs replicating customer environment by using WIPS tool.
Ran auto-traffic load on a 3G E2E UMTS system as a customer network using real 3G Motorola /Nokia cell phones and simulated UEs, generated daily traffic report.
Analyzed and evaluated the performance of the systems by Stability, Accessibility and Retainability using daily traffic reports.
Monitored and validated mobiles. stability and performance of the network during normal operation by using OAM, Mycom-NIMS-PrOptima and Protocol analyzers.
Troubleshoot and debugged traffic issues encountered during auto-traffic load by using RFSIM, IPSPY, RADCOM Cell Performer and TGEN traffic generating tool.
Created issue reports and provided solutions to upper management team.
Integration and Verification Engineer, Nortel Network, Inc. Ottawa Ontario Canada (2003 2006)
A key member of OAM team, installed, configured and maintained OAM master/slave servers on 3G UMTS system. Configured IP networks and Internal Technical Support.
Performed STI creation and execution, validated of OAM new features by running test cycles in a real-time 3G E2E UMTS system.
Verified OAM and UTRAN upgrade, fallback and restore procedure for new release in 3G UMTS system.
Inventoried Nortel RNC 800/900/1800/1900/2100 MHz and Node-B software and hardware by using the OAM.
Troubleshoot/analyzed/debugged issues with upgrade/fallback/restore, opened the defect and provided the solution to design engineers and quality management team.
Software QA Engineer, Converse Technology Inc. New Jersey USA (2000 2003)
Provided system configurations and developed automatic test plans conducted tests over simulated intelligent network and analyzed performance reported errors to R&D engineers and made recommendations to upper management.
Ensured the quality of their core product - Prepaid Services, used by network-based service providers in nearly 40 countries across 5 continents. Platforms used IVR, SMS, UNIX shell scripting, TSP, CCS, MMU, SLU and SS7.
Earlier Relevant Experience
Over 15 years as lead engineer of design and on-site construction projects in China
Fifth Design & Research Institute, China
Chief Engineer Responsible for many award-winning projects from engineering design to on-site construction.
Tianjin City Planning & Research Institute China
Engineer & Senior Engineer Key member of over fifteen projects including a major agricultural project, which received 1st prize of excellent design responsible for urban planning of several counties of Tianjin.
Education
MCS, Master Computer Science, Saint Josephs University, Philadelphia, PA USA
BSCE, Civil Engineering, University of Inner Mongolia, China
Miscellaneous
Canadian citizenship
1st prize of excellent design by Ministry of Machinery Industry
Tianjin Municipal Scientific & Technology progress award
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