- Data backup/archive governance strategy- Data storage life cycle support and management- Tech lead for data archiving/protection platform migration projects - Critical distributed system data protection/business continuity/disaster recovery strategy and solution design/implementation- Converge infrastructure operation support (L3 escalation)- Linux OS level troubleshooting- DevOps: process automation and monitoring/reporting integration. operation data visualization… Show more - Data backup/archive governance strategy- Data storage life cycle support and management- Tech lead for data archiving/protection platform migration projects - Critical distributed system data protection/business continuity/disaster recovery strategy and solution design/implementation- Converge infrastructure operation support (L3 escalation)- Linux OS level troubleshooting- DevOps: process automation and monitoring/reporting integration. operation data visualization, support tool development.RedHat, vSphere, Veritas NetBackup, Veritas Enterprise Vault, DataDomain, NetApp,OnCommand WFA, SAN, file access protocols,HP3PAR, HP Synergy,OneViewJava, Perl,Python, PowerShell,REST, Google Visualisation API, D3.js Show less

Resolving complex product problems of industry leading backup software (NetBackup) the heterogeneous distributed system configurations.- Performance tuning of large (200 nodes per deployment) scale mission critical backup systems which transferring 500 TB data per/day between storage systems.- Source code review (C++/C/Java) to identify the potential product defect and leverage the engineering resources globally to provide timely fix to customers.- Assisting Level 3 engineer to… Show more Resolving complex product problems of industry leading backup software (NetBackup) the heterogeneous distributed system configurations.- Performance tuning of large (200 nodes per deployment) scale mission critical backup systems which transferring 500 TB data per/day between storage systems.- Source code review (C++/C/Java) to identify the potential product defect and leverage the engineering resources globally to provide timely fix to customers.- Assisting Level 3 engineer to narrow down the root cause of escalated incidents for strategic accounts. Show less

Troubleshoot complex product configuration, deployment and usage problem on various application/database/OS platforms for VERITAS i3 solutions.- Writing in-depth insight report at detailed technical level to the developers of customers to discover the performance bottlenecks, JVM memory leakage within customer’s database and application servers. Analysis the cause of J2EE application irresponsive/crash conditions with the stack trace and heap usage examinations.- Oracle database… Show more Troubleshoot complex product configuration, deployment and usage problem on various application/database/OS platforms for VERITAS i3 solutions.- Writing in-depth insight report at detailed technical level to the developers of customers to discover the performance bottlenecks, JVM memory leakage within customer’s database and application servers. Analysis the cause of J2EE application irresponsive/crash conditions with the stack trace and heap usage examinations.- Oracle database performance reviews of customer's procution database and tuning SQL statements the top consumer list and also provide the detailed advise on the instance level tuning on Oracle 9i/10g solutions. Show less

Play a team leading and development consulting role in a major invesment banking client's re-engineering project which is focus on rebuilding a legacy system that potentially process 5,000,000 trades per-day on WebLogic J2EE platform. This goal is to dramatically improving the throughput of an overnight batch processing system by adoption of a J2EE Message Driven Bean (MDB/JMS) approach.- Playing an advisory and coordinating role to the client on software approach and deployment… Show more Play a team leading and development consulting role in a major invesment banking client's re-engineering project which is focus on rebuilding a legacy system that potentially process 5,000,000 trades per-day on WebLogic J2EE platform. This goal is to dramatically improving the throughput of an overnight batch processing system by adoption of a J2EE Message Driven Bean (MDB/JMS) approach.- Playing an advisory and coordinating role to the client on software approach and deployment. Worked as a major liaison between UK leaders, clients and Chinese team members.- Code developed in J2EE using JMS/MDB frameworks in BEA WebLogic.- Perform the performance tuning of JDBC Oracle access.- Prototype the persistence layer in the system adopting various approaches including EJB, Hibernate and JDO.- Complex SQL and procedures in Oracle written and tuned. Show less

Participated in the technical design and implementation of the first automatic fare collection sytem for Beijing Subway Line 13 which potentially process 1,000,000 entry/exit transactions of 500,000 travellers per day.• Design and implementation of the data persistence and business object caching service framework for services written in C/C++ and J2EE on Linux.• Build the Web application on Tomcat/apache using JSP, HTML, XML and JavaScript.• Oracle database schema design and PL-SQL… Show more Participated in the technical design and implementation of the first automatic fare collection sytem for Beijing Subway Line 13 which potentially process 1,000,000 entry/exit transactions of 500,000 travellers per day.• Design and implementation of the data persistence and business object caching service framework for services written in C/C++ and J2EE on Linux.• Build the Web application on Tomcat/apache using JSP, HTML, XML and JavaScript.• Oracle database schema design and PL-SQL development for high volume transaction database.• Tuning the physical deployment of distributed database instances of Oracle 8i/9i. • RMAN backup and restore scripts written and verified with disaster recovery fire drills on production database. Show less