1.  Data Center Move – as core member of project team, responsible for planning of all the applications on
IBM platform, hardware purchase and define server deployment architecture, rebuild DR site in Irving Data
center.
 Developed company’s technology roadmap, Database/Server/Application/Integration builds standards.
 As lead architect – Provided cost estimate, helped project manager to develop project plan, and designed
RETEK (Core merchandising system)/Retail Data Warehouse/ Supply Chain application’s technology
upgrade strategy,re-architected application systems,and guided the project team to successfully upgrade
IBM hardware/OS/Oracle database/Middle ware /applications/storage LUN consolidation,and move
production systemfrom current data center to COLO, and rebuild DR for the application, reduced over 30
processorlicense for Oracle Application Server.
 As lead architect – Provided cost estimate, helped project manager to develop project plan, and designed
Distribution Warehouse ManagerSystem upgrade including: Server hardware
replacement/OS/Database/TSM server upgrade/SAN framework upgrade, successfully upgrade 6 DC
warehouse managements in short periods.
 As the lead architect – Provided cost estimate, helped project manager to develop project plan, designed
Oracle Retail R12 –Merchandising systemapplication’s OS/DB/and Application Upgrade Strategy, and
guided the project team to successfulupgraded OS/Database and Applications.
 Guided application performance tuning team to tune multiple business critical systems,reduce 1/3 of batch
time windows.
 As the lead of architect, designed massive database upgrade strategy,and upgraded and consolidated many
application’s databases to reduce oracle database license.
 As the lead of architect, designed new systemarchitecture for Vertex O series 6 upgrade,Sales Audit
Replacement into Oracle Retail ReSA, and JDA Allocation;
 Defined Company’s five year roadmap strategy on <<Database and Middle Tier>> and << Hardware
Refresh>> and <<System Integration Strategy>>.
 Upgraded Enterprise Data Warehouse system(NETEZZA Database) and Micro strategy reporting system
software and hardware.
 Helped IBM Portal and IBM IDM implementation, designed and conducted performance stress testing,and
resolved the performance issue and integration issues.
 Help SAN Storage team to migration SAN storage from EMC DMX3 to IBM XIV storage devices.
 As lead architect, provided cost estimate, designed JDA Demand-Fulfillments systemarchitecture and
integration strategy,and help the project team to resolve application issues and performance issues,
reducing 1/3 of batch run time.
 Re-architecture the database and middle tier servers layout during the hardware refresh; migrated over 100
servers in AIX and Linux to new hardware, and upgrade OS to supported level. Reduce around 20 CPU
Oracle Database License and 20 CPU Oracle application server licenses.
 Guide Application team to upgrade Oracle E-Business Suites HR and Financial systemdatabase from
Oracle 9iR2 to 11gR2 and major patch upgrade.