Senior Oracle Dba Resume
OBJECTIVE:
Seeking career in Oracle Database Administration in Multi platform UNIX environment and Managing Oracle Applications on Clusters in a world - class organization that would provide competitive and challenging work environment to exploit my potential and augment my skills.
SUMMARY:
- Sound understanding of Process and delegate escalations in 24x7 mission-critical Banking & insurance environments.
- Having fundamental knowledge of Oracle Database Architecture
- Installation and Configuration of Oracle Instances(9i & 10g) on Windows/Unix/Linux environments
- Database Backup and Recovery using RMAN, TSPITR
- Database Backup and Recovery using Flashback
- Database Cloning & Refresh from Hot/Cold Backup
- Bulk loads and data migrations (Data pump, IMP/EXP)
- Block Recovery
- Able to manage Partitioning, table spaces, segments, users, security
- Implementation of oracle security by creating roles, privileges and profiles
- Usage of Data Dictionary Views
- Generating & analyzing PT related Reports(AWR, ADDM, stats pack etc)
- Real Application Cluster ( RAC ) Installation and configuration & Administration on 10G .
- Add New Nodes on Oracle RAC 10g Cluster on Linux.
- Working knowledge on 11gr1
- Upgrade standalone databases from 10g to 11g manually & using DBCA
- TSPITR
PROFESSIONAL WORK EXPERIENCE:
Confidential
Senior ORACLE DBAResponsibilities:
- Implementation of Dataguard. Switching over the database in planned activity. Failover the databases.
- Refreshes using exp/imp, EXPDP/IMPDP, using RMAN
- Clonning: - Using RMAN & Manually.
- RAC:- Implemented RAC on 10g, implemented service (TAF)Performance tuning issues using SQL advisor/OEM
- Patching:- SPU/PSU on cluster level, binaries level and database level.
- Daily health check:- Alert log file, tablespaces, Filesystem mount point.
- ASM:- Configure ASM, adding disk, dropping disk, created disk group.
- Agent installation and de-installation.
- Database creation,User creation, table creation, index creation.
- Meeting with client & application team if they want any changes in database. Work directly with them.
Confidential
Senior ORACLE DBA
Database: Oracle 8i,9i,10g,11g
Environment: Linux, IBM AIX, HP - Unix, Windows
Responsibilities:
- Working with ITIL Process (Incidents, Change, Patch and problem Managements etc)
- Installation and monitoring oracle 10G Real Application Cluster on Linux platforms and IBM AIX
- Implementation of dataguards on oracle 9i and 10g
- Has done switchover and failover on dataguards (oracle 9i & 10g)
- Experienced in 10g/11G New features (ASM, Datapump, AWR, ADDM, ASH)
- Configuration of databases in RMAN for backup and recovery
- Taking and deciding the suitable kind of backup (Rman, Export, Cold and Hot backup).
- Assistance in restoration exercises & recovery of database.
- Applying maintenance patches, quarterly CPU patches, PSU & upgradation.
- Installation and administration of Oracle Database and its Tools on various Operating Systems, such as Windows NT, Unix Server, Linux Red Hat, IBM AIX Monitoring production and development environment
- Disk I/O optimization through table, index, differentiating table data and indexes in separate tablespaces in separate disks.
- Monitoring and appropriate sizing of logical structures viz. tablespaces, tables, indexes through appropriate parameters such as pctused, pctfree, initial and next extent values balancing both I/O and space usage.
- Interactions with application developers extensively to maintain and tune performance of Oracle server on IBM AIX, LINUX, Windows Platforms
Confidential
Senior ORACLE DBADatabase: Oracle 8i,9i,10g,11g
Environment: Linux, IBM AIX, HP - Unix, Windows
Responsibilities:
- Obtain and Maintain DBMS Software & Patches
- Install Oracle Security Patches
- Set up and maintain the listener.ora, tnsnames.ora and ORATAB file as per Security requirements
- Set up Links for init.ora file and spfile.ora
- Remove audit logs older than 30 days, ($ORACLE HOME/rdbms/audit/*.aud)
- Create password file & OFA Directory Structure
- Backup Tnsnames.ora, listener.ora, sqlnet.ora, oratab
- Regular monitoring the status of standby databases, space on ASM.
- Backup and recovery (RMAN Catalog).
- Database Cloning using RMAN.
- Refresh database using exp/imp and Datapump.
- Using Oracle 10g AWR & ADDM to monitor database activities and performance tuning.
- Working on RAC administration.
- Install and maintain DBMS Client software on Unix Server.
- Block Recovery using RMAN.
Confidential
Engineer Oracle Database
Responsibilities:
- Copying production backup to DEV/UAT boxes.
- Full Database, Table and Schema refresh from Export Backup
- Full Database, Table and Schema refresh from Cold/Hot Backup
- Hot/Cold Backup Restore
- Handling Change Request for Schema change, modifying TNSNAMES.ORA & Parameter files, Database backup, Database Startup, Database Shutdown and Bounce.
- Production Break Fix- Users connectivity issues, running out of connection, KILL Sessions.
- Undo and Temp Tablespaces management.
- Create Accounts and Tablespaces.
- Configure Database/Parameter.
- Run ad-hoc user supplied SQL scripts
- Monitoring of Cluster’s node of RAC database.
- Managing real application clustered database.
Engineer Oracle Database
Confidential
Responsibilities:
- Managing Tablespaces, datafiles, segments.
- Analyze tables
- Creating and Rebuild Indexes
- Creating Users, constraints, profiles, roles.
- Block recovery.
- Modifying Instance with SGA parameters.
- Configuring network using listener and tnsnames/hostnames.
- Running Statspack, Explain Plan, tkprof.
- Daily check the space.
- Maintain the Archive Log Files.
- Daily basis maintain the hot backup.
- Weekly Restore the Database.
- Logical Backup exp/imp.
- Running the SQL-Loaders.
- Monitor performance using dynamic views.
Confidential
Oracle Database Administrator (DBA)
Responsibilities:
- Managing tablespaces, datafiles, segments.
- Creating users, constraints, profiles, roles.
- Creating and Rebuilding Indexes.
- Modifying Instance with SGA Parameters.
- Backup using export/import.
- Configuring network using listener and tnsnames/hostnames.
- Monitor performance using dynamic views.
- Running statspack, explain plan, tkprof.