Sr. Oracle Dba Resume
Marlborough, MA
SUMMARY
- Over 8+ years of diversified experience in administration of production databases which includes High Availability Grid Infrastructure (RAC wif ASM), Stand alone database, Replication options known as Data Guard, Gloden Gate; In all of these expertise in Installation, configuration, Administration tuning, design, patches, upgrade, migration, capacity planning, OEM Grid Control, Flashback, RMAN backup and recovery, cloning, auditing, troubleshooting and documentation.
- 24*7 Production Oracle Database support(Size up to 30TB) and maintenance including supporting advance configurations such as Oracle ASM, Oracle RAC, Active Dataguard and Snapshot Standby databases, etc.
- Installation of Oracle 12c (Wif Multitenant Architecture me.e CDB and PDB) Database on Oracle Linux.
- Up - gradation of 11.2.0.4.0 to 12cR1 database.
- Converting Non-CDB 12c Database to 12c Multitenant Architecture(CDB and PDB).
- Good experience in administration of Oracle 11gR2 RAC (3 Nodes and 5 Nodes) and 10gR2 RAC (2 Nodes) on Linux and Sun Solaris.
- Implemented GlodenGate (till latest version) on11g Database RAC database servers.
- Monitored GlodenGate using shell script, 12c Glodengate plugin
- RMAN Backup and Restoration (Full Database Restore and Recover)
- Knowledge of Shareplex.
- Creation of Active Standby database using RMAN Duplicate(Manual Backup and Active Database).
- Cloning of Oracle Database using RMAN Duplicate(Manual Backup and Active Database).
- Good exposure in preparing Oracle Technology documentation .
- Implemented Oracle Patches (PSU) on teh Compliance databases Device a plan to patch them quarterly so that we can cover all teh databases in a year.
- Proficient in Oracle Database Administration activities such as Upgrades, Patches, TAR support.
- Cloning, Backup and Recovery, Performance Tuning, and Documentation.
- Up-gradation of teh Databases 10.2.0.4 to 10.2.0.5.
- Re-Organization of Tables using EXPDP and IMPDP
- Analyzing AWR, ADDM and ASH reports.
- OEM Installation 10.2.0.5.0 on Windows
- Good Exposure on High Availability Concepts (RAC, Standby)
- Good experience in applying PSU patches on Databases.
- Application of Bug Fixes Patches on Production Databases
- Re-organization of tables using EXPD and IMPDP.
- Stats Gathering of Tables and Indexes.
- Proactive monitoring, identifying areas that need to be improved in teh application and database using
- EXPLAIN PLAN, SQL TRACE, ORADEBUG, AWR, ADDM, and 10g OEM Grid Monitoring.
- Performance Tuning for Optimized results using Explain-Plan, SQL-Trace, STATSPACK/AWR, TKPROF and ADDM reports. Proven ability of providing production support for 24X7 on multiple databases.
- Strong in logical database backup and restore methods by using Oracle DataPump Export (expdp) and Import (impdp).
TECHNICAL SKILLS
OPERATING SYSTEM: UNIX, LINUX, HP-UX, AIX, SUN SOLARIS
TOOLS: /UTILITIES: RAC, RMAN, AWR, ADDM, OEM, OLTP, ASM, OEM Grid Control 10g/11g, Active Dataguard, Snapshot Standby Database, Shareplex and Gloden Gate
RDBMS: ORACLE 12c/11gR2/10gR2/9i
PROFESSIONAL EXPERIENCE
Confidential, Marlborough MA
Sr. Oracle DBA
Responsibilities:
- Installation of Oracle 12cR1 (Wif Multitenant Architecture me.e CDB and PDB) Database on Oracle Linux.
- Up-gradation of 11.2.0.4.0 to 12cR1.
- Converting Non-CDB 12c Database to 12c Multitenant Architecture (CDB and PDB).
- Administration of Oracle 11gR2 RAC(3 Nodes and 5 Nodes) databases.
- Managing and providing support for multiple databases in 24x7 production environment (from few 100 GBs to 30 of TB in size).
- Administration of Oracle Active Dataguard Standby and Snapshot Databases.
- Created Active Standby Database using RMAN Duplicate(Wif Manual Backup and Active Database).
- Cloning of Oracle 11gR2 Database using RMAN Duplicate(Wif Manual Backup and Active Database).
- Converted Physical Standby Database to SnapShot Standby Database and Vice Versa.
- Used Oracle Gloden Gate replication for Reporting.
- Monitored Glodengate using 12c Glodengate Plugin and shell scripts for alerting GG process down alerts.
- Worked on SharePlex.
- Adding and Dropping Disk from ASM.
- Planned and implemented Disaster Recovery solutions using Oracle Standby Database/Dataguard.
- Analyzing AWR, ASH and ADDM reports for resolving DB performance issues.
- Re-Org of Tables using EXPDP and IMPDP.
- Monitoring of databases using OEM.
- Application of Bug Fixes patches as per suggestions from Oracle.
- Application of PSU patches on quarterly basis.
- Working closely wif clients, business analysts, server administrators, systems programmers, and application developers to define and resolve information flow and content issues—halping to transform business requirements into environment specific databases.
- Closely Worked wif Oracle support in identifying some long standing issues. Also extensively used oracle Metalink.
- Helped build extensive documentation for all Oracle related Administration.
Environment: Oracle 12cR1/11g/10g, Sun Solaris 5.8 sparc/, Linux, SQL Plus, ASM, RAC, Oracle Enterprise Manager (OEM), Gloden gate, Gloden gate, Gloden gate Director.
Confidential, Dallas,TX
Oracle Database Administrator
Responsibilities:
- Oracle 11gR2 RAC(3 Nodes) and 10gR2 RAC(2 Nodes) Database Administration.
- Administration of Oracle Active Dataguard Standby and Snapshot Databases.
- Created Active Standby Database using RMAN Duplicate(Wif Manual Backup and Active Database).
- Installation of Patches and Upgrades. (BUG FIXES, PSU,10.2.0.4 to 10.2.0.5).
- Monitoring of databases using OEM.
- Re-Organization of Tables using EXPDP and IMPDP.
- Index monitoring and maintenance (Index Rebuilding).
- Adding Disks and Disk Groups on ASM.
- Analyzing AWR and ADDM Reports.
- RMAN Backup and Restoration (Full Database Restore and Recover)
- Cloned a Single Instance Reporting database to 4 Node RAC Database.
- Stats Gathering of Tables and Indexes.
- Interaction wif client/users on various issues and requirements.
- Maintaining Physical Standby Databases.
- Performance Tuning
- Managing users
- System check for Oracle 11gR2 and 10gR2 instance
- Resolving Database storage management issues
- Creating and managing table-spaces and data-files
- Space maintenance across teh database objects
- Monitoring teh database growth
- Configuring archive log mode.
- Working closely wif clients, business analysts, server administrators, systems programmers, and application developers to define and resolve information flow and content issues—halping to transform business requirements into environment specific databases.
- Closely Worked wif Oracle support in identifying some long standing issues. Also extensively used oracle Metalink.
Environment: Oracle 10g/11g, RHEL, Sun Solaris, SQL Plus, Oracle Enterprise Manager (OEM) Grid Control
Confidential, San Mateo, CA
Oracle Database Administrator
Responsibilities:
- 10gR2 RAC(2 Nodes) Database Administration.
- Installation of Patches and Upgrades. (BUG FIXES, PSU,10.2.0.4 to 10.2.0.5).
- Using EXPDP and IMPDP.
- Grid Installation ( 10.2.0.5.0 ).
- Restoring and Recovering a Database using BCV backups.
- Cloning Of Database (Using Clod Backup)
- Index monitoring and maintenance (Index Rebuilding).
- Adding Disks and Disk Groups on ASM.
- Analyzing AWR and ADDM Reports.
- Stats Gathering of Tables and Indexes.
- Interaction wif client/users on various issues and requirements.
- Maintaining Physical Standby Databases.
- Performance Tuning
- Managing users
- System check for Oracle 10gR2 instance
- Resolving Database storage management issues
- Creating and managing table-spaces and data-files
- Space maintenance across teh database objects
- Monitoring teh database growth
- Configuring archive log mode
- Maintaining Users wif Access privileges in different Situations
- Application of Bug Fixes Patches on Production Databases.
Environment: Oracle 9i/10g/11g, RHEL, Sun Solaris, SQL Plus, Oracle Enterprise Manager (OEM) Grid Control
Confidential
Oracle DBA
Responsibilities:
- 9i and 10g Database Administration.
- Installation of 9i and 10g Databases on Linux and Solaris.
- Using EXPDP and IMPDP.
- Stats Gathering of Tables and Indexes.
- Interaction wif client/users on various issues and requirements.
- Managing users
- System check for Oracle 10g instance
- Creating and managing table-spaces and data-files
- Configuring archive log mode
- Maintaining Users wif Access privileges in different Situations.
- Creating and Manageing Tablespaces.
- Creating Database users and giving necessary grants as per teh SOX complaince.
- Taking necessary actions on DB alerts which are coming from OEM grid control.
- Taking RMAN backup of database.
- Interaction wif teh application users/ Client for any specific requirements.
- Setting teh SGA parameters according to teh Database Perfomance.
- Applying Bug Fixes patches as per teh suggestion from Oracle Support.
Environment: Oracle 9i/10g, RHEL, Sun Solaris, SQL Plus, Oracle Enterprise Manager (OEM) Grid Control.
Confidential
Intern Oracle DBA
Responsibilities:
- 9i Database Administration.
- Installation of 9i Database on Linux OS.
- Monitoring teh alert logs of databases on regular basis.
- Worked on DB alerts which are coming Third Party tools.
- Interaction wif application users to understand their requirements.
- Refreshing teh database using EXP and IMP.
- Creating Database users.
- Granting Roles and Privileges to user .
- Setting teh database SGA parameters.
- Analyzing teh DB tables using Analyze command.
- System check for Oracle 9i instance
- Creating and managing table-spaces and data-files
- Configuring archive log mode.
- Worked on EXP and IMP.