Lead / Sr. Oracle Dba Resume
NJ
PROFESSIONAL SUMMARY:
- Ten (10)years of experience as an Oracle Database Administrator, Exadata DMAand AWS.Having hands on experience in database administration, production support, installation, configuration, upgrades, patches, performance tuning, backup and recovery
- Space management, database security, cloning, migration, shell scripting and documentation.
- Extensive knowledge on database administration for Oracle 9i, 10g, 11g and 12cwith experience within very large scale database environment and mission critical large OLTP and OLAP systems.
- Excellent experience in installation, setup and configuration of Oracle 10g, 11g,and12cin HP - UX, Sun Solaris, IBM AIX, Windows and UNIX/Linux Environment.
- Having hands on experience in management and database administration of Oracle applications on ExadataQuarter RACK and Half RACK platforms.
- Expertise in upgrading teh databases from Oracle 9i to Oracle 10g, Oracle 10g to Oracle 11g and Oracle 11g to Oracle 12c.
- AWS Cloud expertise in administration, migration and enterprise configuration
- Architect AWS instances to migrate on premise application to cloud.
- Design architecture diagram for different application.
- Working Experience with Oracle Data Guard
- Working Experience with RAC and ASM
- Created Read Replica Database for Production Database.
- Experience in Database Migration from Linux to RDS Database
- Experience with Database Migration from Non Cloud Servers to Cloud Servers
- Working experience with Database Upgrades
- MigratedOn Premises Oracle Database to AWS RDS Database
- Experience with High Availability features (RAC andDataGuard).
- Excellent knowledge in logical backups,Hot/Cold Backup and Recoveryand Cloning of databases usingRMAN
- Experience in complete recovery, incomplete recovery, recovering data files, tablespaces, control files, block corruption.
- Good exposure to oracle technologies likeAWR, ASMand data pump Export and Import.
- Working Experience on ORACLE EXADATA for teh extreme performance of teh database.
- Prepared Standard Operating Procedure Documents
TECHNICAL SKILLS:
Databases: RDBMS, Oracle 12c, 11g, 10g, and 9i
Oracle Products: Gloden gate, Oracle Exadata DMA, Data Guard Broker, OEM, RMAN,ASM and RAC
Programming Languages: SQL, PL/SQL, JAVA, C, C++
Operating systems: OEL, RHEL, AIX, Solaris, Windows XP, 2003, 2008, 2010 and 2012.
Other Tools: RDBMS, SQL Developer,pgAdmin and IBM PowerHA
PROFESSIONAL EXPERIENCE:
Confidential, CO
Lead / Sr. Oracle DBA
Responsibilities:
- Responsible for providing 24X7 production support for critical Payments, Financial, and connectivity applications’ Oracle 11g and 12c databases on Solaris and RHEL.
- Worked on Database Migrations from On Premises to AWS RDS Database and Exadata.
- Worked on Quarter Rack and Half Rack Exadata on X5 and X6 machines.
- Worked on Database Migrations from one datacenter to another datacenter on Quarter Rack on Exadata
- Piloted teh Planning and Migration of Oracle databases from In-premises Datacenters to AWS Cloud including homogeneous and heterogeneous migrations
- Experience in Database Migration from on Primacies to AWS RDS Database using Export and Import
- Experience with Amazon Web Services (AWS) RDS object storage, monitoring and notification services (SNS and Cloudwatch).
- Worked on AWS RDS to Oracle Migrations
- Experienced in Design, implementation and generating documentation of Oracle 11g Data Guard
- Involved in Installation and configuration of Oracle 10g &11g RAC using Cluster ware and ASM.
Confidential, WA
Lead / Sr. Oracle DBA
Responsibilities:
- 24x7 Production Database administration and applications support
- Supporting multiple databases for Production, Development, Test and Staging purposes
- Applying upgrade patch, maintenance (opatchetc) Patches on all teh Exadata databases.
- Refreshing Dev and test instances with data from Production on a regular basis.
- Installation of Oracle 11g/10g RAC and Standby Database for High Availability and Disaster Recovery purpose.
- Provided performance tuning of Oracle Databases on Exadata.
- RMAN point in time recovery and Instance recovery done.
- Worked on teh migration of SQL Server databases to Oracle databases.
- Upgrade and Migration of Database from 9i to 10g, 10g to 11g and 11g to 12c applying patches whenever required.
- Monitoring and optimizing teh performance of teh Database
- Capacity planning: Allocate system storage and plan future storage requirements.
- Creating OEM alerts that provides notifications.
- Responsible for setting and managing USER MANAGEMENT, SPACE MANAGEMENT Granting required privileges to users.
Confidential, CO
Lead / Sr. Oracle DBA
Responsibilities:
- Worked on 2 Node RAC for Production Database.
- Applied Quarterly patches for Oracle Database
- Worked on Half RACKOracle Exadata DMA
- Database Monitored throughOEM 12c Cloud control.
- Applied Patches for every quarter
- Working experience in Oracle Data Guard
- Createdand Configured Oracle GlodenGate
- Experience with Change Management for all teh database changes.
- Worked on Migration from RHEL Server to Exadata Oracle Database
- Worked on Export and Import for Schema Refresh
- Worked onOracle ExadataDMA server for infrastructure and in other similar projects
Confidential, NJ
Lead / Sr. Oracle DBA
Responsibilities:
- Installed Oracle database and Oracle Grid Infrastructure software on IBM PowerHA /HACMP clusters
- Worked on Exports and Imports for Refresh task.
- Worked onDocumentation and Build Plan for Database Upgrades and Patches
- Good working experience with OEM 12c cloud control.
- Applied Patches for every quarter
- Working experience in Oracle Data Guard
- ImplementedOracle GlodenGate from Production to Test environment
- Created custom KEYS on IAM for AWS
- Created Oracle Database on AWS RDS Service, created Tablespaces and Users
- Worked on Database migration from On-Primises to AWS RDS Oracle Database
- Worked onOracle Exadata server for infrastructure and in other similar projects
- Used srvctl command to start and stop RAC Database
Confidential
Sr. Oracle DBA
Responsibilities:
- Applied Patches for every quarter.
- Database Monitored through Oracle Enterprise Manager (OEM)
- Experience in supporting Oracle Corporation implementation.
- Conducted Meetings for all level of Escalations
- Prepared Build Plan for Database Migrations Activity
- Experience in handling large database up to 14TB in size with 4 nodes cluster on various flavors of UNIX.
- Resolved Replicate/extract/pump issues and upgraded classic EXTRACT to Integrated capture to overcome teh compression table’s issue.
- Experience in troubleshooting RAC node eviction problems by reviewing cluster logs and system log messages
- Experience in Managing Applications on oracle 11g / 10g RAC databases using ASM file system with server control utility (SRVCTL) and CRSCTL for high availability RAC.
- REFRESH/CLONING of Databases and applications for development, testing and Prod boxes on demand from Application teams using EXPORT/IMPORT, DATAPUMP at table level, schema level and database level for Refreshes.
- Hands on experience with 11g new features such as ADRCI, Duplicate from Active database, ASMCMD, Memory parameters, Incidents etc
Confidential
Sr. Oracle DBA
Responsibilities:
- As a Oracle DBA, Installation, configuration, maintenance and tuning of Oracle 11g and 10g.
- Worked as a part of team in Data Center Migration project for 6 months.
- Daily database administration tasks including backup and recovery through RMAN
- Performed data transfer using Export and Import
- Created Build Plan for Quarterly Patches and Database Upgrades
- Created NEVER expiry profiles for all system USERS
- Worked on Database Health Check for every Quarter
- Created Database Links from DEV Database to TEST Database
- Applied patches for every quarter inOracle database.
- Worked on Exports and Imports for Schema Refresh task
- Installation and configuration of Oracle Enterprise Manager Cloud Control 12c.
- Involved in Installation and configuration of Oracle 10g &11gRAC using Cluster ware and ASM.
- 24x7 remote support and on call Database support for Database developers & end-users.
- Experienced in implementing Oracle Database advanced security practices.
- Implemented Oracle Dataguard for PROD Environments.
- Successfully configured and installed Oracle Gloden Gate for replication.
- Helped in developing applications based on Oracle Exadata platforms.
- Maintained teh Heart beat tables to check teh lag between teh sites.
- Installation and configuration of OEM 12c on RHEL.
- Worked with application team to resolve conflict handlers and teh replication issues.
- Experienced in Design, implementation and generating documentation of Oracle 11g Data Guard
- Implemented Data guard, creating both Logical and Physical Standby databases in 10g &11gRAC environment for teh Production databases.
Confidential
Oracle DBA
Responsibilities:
- Created NEVER EXPIRY Profile for Application users.
- 24x7 Production database administration, support and monitoring to ensure a proactive problemrecognition and resolution of database issues.
- Provided instance level performance monitoring and tuning for Event Waits, Sessions, Physical and Logical I/O and Memory Usage.
- Made performance improvements to teh database by building Partitioned tables, Index Organized Tables, Materialized Views and Bitmap Indexes.
- Performance tuning of Queries by maintaining Aggregates, Compression, partition, indexing and use of Hints, Stored outlines, Statistics for teh same.
- Created Users, Privileges, Roles in Oracle Database.
- Used RMAN (Recovery Manager) utility to take backups.
- Applying security patches both Server side and Client side and Performed testing.
- Cloned schemas, objects and data on new server using exports from 9i database and imported in 10g using Oracle data pump.
Confidential
Oracle DBA
Responsibilities:
- Created Users, Roles, Profiles and provided privileges in Oracle Database.
- Created Standard Procedure Documents
- Modified scripts as per technical specifications.
- Created Tablespaces and Adding Datafiles in Oracle Database.
- Database Monitored through BMC Patrol
- Analyzed teh table structures using Analyze command.
- Involvement in all phases of teh project life cycle.
- Designed Database tables as per technical specifications.
- Translated business requirements into creation and alteration of database objects: tables, indexes, constraints, triggers and stored procedures.
- Implemented automated backup strategy using teh UNIXshell script CRON UTILITY.
Environment: Oracle 9i,10g and 11gEXP, IMP, IBM-AIX, Windows XP/NT, PL/SQL, SQL, Supported Applications likeSIEBEL, OBIEE, Hyperion, WindChill,PeopleSoft, ODA, JD Edwards and ServiceNow.