Sr. Database Administrator Resume

OBJECTIVE:

Looking for opportunities to utilize my expertise in Maximum Availability Architecture System Design and Implementation, Data Security, Data Protection in Oracle Exadata, RAC, AWS cloud enrivonments

TECHNICAL SKILLS

PROFESSIONAL EXPERIENCE

Confidential

Sr. Database Administrator

Responsibilities:

AWS migration initiative - Moving home grown Oracle application to PostgreSQL database in AWS
Upgraded PeopleSoft App database to 9.2 and provided technical assistant on application serve setup and configuration.
Managed near real time data replication from US to Europe and Asia; performing configuration, trouble-shooting and performance tuning.
Leading on Oracle Exadata Cloud Machine implementation, data encryption and data protection
Administer Oracle 19c, 18c, 12c, 11gR2, 10gR2 databases and Oracle WebLogic Servers
Upgraded unsupported Oracle databases from 10g/11g to 12c, and 12c to 18c
Implemented database Disaster Recover solution with Data Guard and self-developed Unix scripts
Fully automated Daily or On Demand database refreshing processes with self-developed Unix scripts
Perform quarterly Oracle database patching and produce quarterly SOX audit report
Providing daily operation supports on RMAN database backup, database performance tuning, and major applications

Confidential

Database Administrator Staff

Responsibilities:

Providing Technical leadership on Oracle database 11gR2 and SAP ECC 6.0 w/ EhP5 migration.
Oracle Exadata Machine evaluation and initial implementation for Mission Critical Applications Company wide.
Support Openlink Financials Energy Trading and Risk Management software; Landmark Openwell, TOW, Aries productions operation software; P2ES Tobin Enterprise Land MGMT software.
Install, configure, fine tune Oracle Standby databases.
Providing daily operation supports on RMAN database backup, performance tuning, and data refresh.

Confidential

Contract Lead Oracle DBA/Consultant

Responsibilities:

Oracle Golden Gate installation, configuration, and performance tuning.
Providing Technical leadership on Design and Implementation of Oracle Maximum Availability Architecture Environments with Oracle 11gR2 RAC on both Primary and Standby databases for online E-Ticketing data solutions
Install, Configure, and administer Oracle Grid Infrastructure 11gR2 and RAC databases on 3 Nodes Primary and 2 nodes Standby environments
Regularly make recommendations to management for best practice and standardization on database management in future depolyment
Optimize the Oracle AQ performance in RAC environments
Migrated Single instance Oracle 10gR2 databases to 11gR2 RAC environment
Providing daily operation supports on RMAN database backup, database performance tuning, and development databases refreshing

Confidential

Contract Lead Oracle DBA/Consultant

Responsibilities:

Provided technical leadership on day-to-day support and maintenance; delegated work to enterprise DBA team (HP ServiceDesk Tools); coordinated the changes between DBA, UNIX, SAN, Network and End-User groups;
Regularly make recommendations to management for best practice on database management in future depolyment.
Moving Oracle databases From Europe to US; reducing cost and providing better system support and performance
Install, Configure, and administer Oracle Grid Infrastructure 11gR2 and RAC databases on OEL environments
Upgrade Oracle DataGuard database from 10gR2 to 11gR2 on ASM
Migrated Oracle 10g/9i databases to 11g R2 with ASM and FRA integration
Managing Oracle Data Guard databases through DGMGRL and SQLPLUS, Database Patching, Job Scheduling, Performance tuning, and refreshing development databases
Oracle Business Intelligence Application support include App. Server, database, and End users’ requests
Working with external auditor to fix internal system and security weakness to meet regulatory requirements
Conducted regular meetings and DBA team gatherings to discuss best practices, standards and working as a team to deliver those standards.