Experience

Mirae Asset Finance Company Limited (Vietnam)

• Financial Services
• 1 - 100 Employee

• Database Administrator Supervisor

  • Sep 2018 - Present

  - Oracle Database Administrator Manager: Monitor and Tuning Performance for FinnOne, CallCenter  Optimize database system and propose improvements to enhance the performance of the database: disk space, table space, rebuild index, analyze table  Troubleshooting system, user support  Moving a datafile from File System to File System  Database synchronizing between test environment and production environment at the request of the user  Design and implement backup systems for disaster with Tape and Disk; - Db2 Database Administrator Manager: Install and Configure, Monitor and Tuning Performance for HOME, EDW  Configure federated object between 2 instance DB2  Configure federated ODBC from DB2 to MSSQL Server, from DB2 to MySQL, DB2 to Oracle, JDBC from DB2 to Mariadb  Convert structure and data from MSSQL Server to DB2, Mariadb to DB2  Optimize Database: configure parameter, reorg, runstat...  Troubleshooting system, user support - MySql Database Administrator: Install and Configure, Replication, Tuning Performance for LCS  Install and configure database Mysql in Linux  Configure Repication Active-Active, Active-Passive, Group Replication  Monitoring database, Optimize Database, grant privilege for user, schedule backup database, keep highest user



Nhật Cường Software

• Senior Database Specialist

  • Apr 2017 - Aug 2018

  - Oracle Database Administrator Manager: Data Guard, Migration, Performance Tuning for ESAMS, CAHNDB, ERP Nhat Cuong, DaoTao, KiemThu, ESAMSBETA, NEWDVC:  Monitoring the Performance tuning database; Disk space; Tablespace  Data Guard Installation, processing of sync errors.  Oracle Enterprise Manager Cloud Control 13c Installation, Agent. Using EM for centralized database monitoring. Configure and monitor Chart CPU Utilization (%), Chart MEMORY Utilization (%), Chart DB Growth, Table ASM Diskspace, Table Tablespace size, Chart Database Usage, Table System Information… from EM12c via Email.  Migrate ASM Disk Groups to another Storage Online  Moving a datafile from File System to ASM  Troubleshooting system, user support  Optimize database system with: create parition, split partition, gather, create index… - Database administrator customer manager: Viettel Store, Linh Giang, Minh Hoa, HeyGo…  Install and config oracle database 12c in Solaris 11.3  Migrate database from version 11.2 to version 12.2: export and import.  Optimize database system with: create parition, split partition, gather, create index…  Data Guard Installation, processing of sync errors - Manager for 20 Database test, Research and Lab:  Monitoring the Performance tuning database; disk space; tablespace; check session… for 20 Databases Test  Schedule auto start DB and Listener when start OS.  Migration Oracle database from 11g to 12c another version OS with Goldengate 12c.  Install and configure Data Guard from RAC to RAC for Database 11g.  Install and configure Database CDB & PDB, research Resiurce Manager on PDBs.



Big C Vietnam

• Retail Groceries
• 200 - 300 Employee

• IT Database Supervisor

  • Nov 2015 - Apr 2017

  - Oracle Database Administrator Manager :DataGuard, Migration, Performance Tuning for all Big C Core System: Gold, SAP, Optimix, DatawareHouse, Nego, Isap, Tibco, VLL, Dollar Universe  Monitoring the Performance tuning database; disk space; table space; Index; Package: procedures, function, trigger for 35 Oracle Databases  DataGuard Installation, processing of sync errors.  Oracle Enterprise Manager Cloud Control 12c Installation, Agent. Using EM for centralized database monitoring.  Processing of application errors related to IT.  Environment synchronizing between test environment and production environment 1 time per quarter for both Application and Database.  Migration database DWH from Linux environment to Solaris 11 environment with Oracle Database 12c.  Install and configure SAP Net 7.3 in environment AIX 6.0, restore successful Database SAP other Oracle version.  Microsoft SQL Server Administration. - System Administration, Tivoli Backup Administration, Database Backup  Administration entire Tivoli Backup. (Tape, schedule, agent, session, file backup, database backup, SAP backup… Keeping Tivoli admin user (Tivoli highest user)  Administration entire Unix System (AIX, Redhat, Linux, Solaris) for 70 servers, keeping root user. - Application Administration: Dollar Universe, Gold, SAP, Optimix, DatawareHouse, Tibco, VLL  Keep strongest user and Administration entire about IT for all core application of BigC. (do not administrator about bussiness)  Debug, error finding, installing the patch for applications  Instructions for Operator Team (Team with day shift and night shift for moritoring system) for track JOB Batch and troubleshooting if necessary. Working with the application team leader / partner / superiors to implement the project, debugging, application development



BIDV Bank

• Vietnam
• Banking
• 700 & Above Employee

• DBA Specialist at BIDV Bank

  • May 2015 - Oct 2015

  - Database Administrator Manager: MHBCORE and TICMS of MHB Bank Old  Support converting data of Database MHBCORE and TICMS from MHB Bank Old to BIDV Bank.  Migrate Database MHBCORE from RAC to non-RAC  Maintaining and operating CoreBanking, Card System and other Application to query old data of MHB Bank. - Database Administrator Manager: MHBCORE and TICMS of MHB Bank Old  Support converting data of Database MHBCORE and TICMS from MHB Bank Old to BIDV Bank.  Migrate Database MHBCORE from RAC to non-RAC  Maintaining and operating CoreBanking, Card System and other Application to query old data of MHB Bank.



MHB Bank

• Germany
• Banking
• 1 - 100 Employee

• DBA Specialist at MHB Bank

  • May 2010 - May 2015

  - Oracle Database Administrator Manager: DataGuard, GoldenGate, Tuning Performance for MHBCORE, TICMS, EVN, ETAX, SMS  Implement SAN upgrade, upgrade RAM, add notes to systems as needed  Optimize database system and propose improvements to enhance the performance of the database: create partition, exchange data old, analyze table, shrink table, rebalance…..  Troubleshooting system, user support  Design and implement backup systems for disaster with Tape and Disk.  Perform the tasks required superior  Database synchronizing between test environment and production environment at the request of the user. - Participate in new projects: SMS, ETAX, EVN  Install Oracle Database 11g on Linux for ETAX, EVN and on Windows server 2008 for SMS.  Migration data: export and import, configure and processing of sync errors  Collaboration with partners to upgrade application and database - MS SQL server Administrator Database: WebCore, Core, EVNHCM…..  Monitoring database, grant privilege for user, schedule batch job, backup database, keep highest user.  Troubleshooting system.