Senior Oracle Dba Resume
SUMMARY:
- Having 8.2 years of experience as an Confidential 12c/11g/10g/9i/8i DBA on different UNIX/Linux and Windows platforms advanced features including Confidential Exadata , Golden gate , ASM 11g/10g and Confidential RAC 11g/10g , GRID, Dataguard , Enterprise Manager.
- Worked as a Tech Lead, handled a team of 5 members.
- Experienced in handling Exadata Machines installation and configuration.
- Experienced in Patching Exadata components like compute nodes, storage nodes and Infiniband switches & virtual machines.
- Experienced in Virtual Machines administration in Exadata Machines.
- Experienced in monitoring configuration for Exadata Machine components with OEM 12c.
- Experienced in replicate data using Goldengate tool.
- Proficient in databases Performance Tuning using Explain Plan, STATSPACK, TKPROF, AWR, ADDM
- Handled RCA’s and produced results.
- Experience in fixing Confidential Networking issues.
- Fixing TNS Remote poisoning attack issues.
- Installation, configuration and administering Confidential Golden Gate replication
- Perform various tasks like installation, configuration, upgrades, migrations, patching, performance tuning, backup and recovery, production support cloning, space management, database security
- Implemented RMAN backup (Full, incremental) and recovery, Incomplete recovery and disaster recovery using Standby database or Data Guard
- Performance Tuning i.e. tuning applications, I/O distribution, rollback segments, buffer cache, redo mechanisms
- Reorganization of tables, indexes, table spaces, data files, redo log files, and control file as per the requirements of the databases performance and space management requirements of the Servers.
- Experience in Partitioning tables and indexes.
- Successfully implemented physical standby database using Confidential Data Guard feature for High availability configuration
- Implemented the Golden Gate Unidirectional for reporting database
- Operational Responsibilities - Database refreshes / backups, security, documenting standards and procedures, data migration, data clean-up, copy data archiving, etc.
- Configured/Implemented Database security using methods like wallet, TDE etc.
- Experience monitoring and managing the databases in OEM Grid Control (10g, 11g, 12c, 13c)
- Accessing remote database with DB link, HSODBC, ODBCINST and third-party tools.
- 24*7 production database support with Support to developers & end-users
Languages: SQL, PL/SQL, HTML, DHTML, Bash, Perl
Database: Oracle 9i, 10g, 11g, 12c, SQL Server
High Availability: RAC, Dataguard
Engineered Systems: Exadata
Replication Tools: Goldengate
Monitoring Tools: OEM, Grid Control
ERP: Confidential EBS
Operating Systems: HP-UX, Linux, Solaris, Windows NT, Windows 2003 and 2008 Server, Linux (OEL4)
PROFESSIONAL EXPERIENCE:
Confidential
DMA/ Senior Oracle DBA
Responsibilities:
- Experienced in handling Exadata Machines installation and configuration.
- Experienced in Patching Exadata components like compute nodes, storage nodes and Infiniband switches & virtual machines.
- Experienced in replicate data using Goldengate tool.
- Responsible for Exadata infrastructures, strategies, enterprise solutions, administrations.
- Defined and implemented HA/DR solutions using Confidential Data Guard, Confidential RAC for the
- Company’s mission critical applications to maintain business continuity.
- Looking in to day-to-day activities of Production database, monitoring its growth and performance.
- Experience in fixing Confidential networking issues.
- Fixing the TNS remote poisoning attack issues.
- Experience in Database security methods like TDE, wallet.
- Worked on Backup and Recovery strategies, improve database functionality, consolidate databases, and provide periodic health check to ensure your system is operating at maximum efficiency.
- Experience in installation, implementation, maintenance, and operations of middleware and related infrastructure components.
- Strong understanding in PL/SQL and SQL and able to write SQL query.
- Actively participate in developing Shell scripts to automate and monitor.
Environment: Exadata, GoldenGate, Oracle 10g, 11g, 12c, RAC, SQL, PL/SQL, Linux/Windows, RAC, RMAN, Confidential Enterprise Manager (OEM).
Confidential
Senior Oracle DBA, Tech Lead
Responsibilities:
- Worked as a Tech Lead, handled a team of 5 members.
- Involved as DBA for knowledge transfer activity.
- Maintained and monitored both Confidential and SQL server databases.
- Database support (Monitoring, Administration, and Tunings & Backup) in Confidential 10g, 11g, 12c
- Database up gradation to its higher release like 10.2g to 11.1g and 11.1g to 11.2g
- Responsible for implementation and management of Dataguard.
- Remote database administration of the instances
- Managed and maintained RAC databases.
- Looking in to day-to-day activities of production database, monitoring its growth and performance
- Experience on working on the DB’s hosted on Clustered Servers using Veritas
- Linux crontab configuration to automate the shell scripts
- Working on DR Drills
- Worked on partitioning of tables.
- Perform database software installation/patching/ upgradation to development, test and production servers
- Management of Confidential Instance, physical structure of the database like data files, redolog files, control files (mirroring of the control file) and storage management
- Creating users with restricted access, profiles and attaching them with users
- Working knowledge of ticketing tool (Remedy)
Environment: Oracle 10g, 11g, 12C, SQL, PL/SQL, Linux/Windows, RMAN, Confidential Enterprise Manager (OEM), Dataguard, Grid Infrastructure, SQL Server.
Confidential
Oracle DBA
Responsibilities:
- Migrated database of different release from Solaris to Linux
- Database up gradation to its higher release like 10.2g to 11.1g and 11.1g to 11.2g.
- Setting up Grid control 11gr2 infrastructure to monitor databases.
- Basic Unix Shell Scripting Knowledge (Actively participate in developing Shell scripts to automate the DBA processes for our Client for Service Improvement)
- Working on DR drill (RMAN and NetBackup tool)
- RMAN extensively worked on backup and restore strategies. Implemented backup and recovery of Databases using Recovery Manager, hot backups, cold backups and logical backups
- Create backup and verification policies
- Database support (Monitoring, Administration, and Tunings & Backup) in Confidential 10g, 11g
- Working knowledge on Data guard (Transferring log files from primary to standby database and manually applying the logs at standby side etc.)
- Analysing the segment fragmentation and re-organizing tables and partition tables
- Performing Archiving and purging activity as per the policy
- Performed database software installation/patching/up gradation to development, test and production servers.
- Performed RAC Installation and patching.
- Experience in administration and monitoring of RAC databases.
- Configuring ASM and creation of ASM database
- Interacting with the Confidential support ( Confidential Meta-link) and open the Service Request (SR) in case of major issues
- Raising TAR and coordinating with Confidential Support in resolving Confidential issues
- Creating users with restricted access, profiles and attaching them with users
- Monitoring the table growth, database growth, current users, and system resource usage and so on
- Configured listener.ora and tnsnames.ora as on when required for clients
- Generate Root Cause Analysis (RCA)
- Linux Redhat 4, 5 OS configuration and installation
- SQL script, cronjobs, ksh scripting, dbms jobs /dbms scheduler job setup
- Uploading/transferring by the help of SQL Loader, WinSCP, PSCP and other utilities
Environment: Oracle 10g/11gR2, SQL PLUS, PL/SQL, Solaris, Linux/ UNIX, Grid Infrastructure, Confidential Enterprise Manager (OEM). Confidential .
Oracle DBA
Responsibilities:
- Responsible for both manage and support all Production, Development and Staging Instances of Confidential Version 8i, 9i, 10g and 11g.
- Maintaining databases in 24x7 Production environment
- Monitor and troubleshoot various database remotely
- Also refreshing Database as per the requirements of the clients (CLONING, Export, Import, Datapump)
- Ensuring successful & periodical Backup & Restoration
- Develop, Implement and administer database policies and procedures
- Provide 1 st level technical support and assistance to all database end-users
- Install new versions of database software and perform maintenance functions of the database
- Reorganization of tables, indexes, table spaces, data files, redo log files, and control file as per the requirements of the databases performance and space management requirements of the Servers
- Database Backup Management using exports or online backups/Data Pump
- Monitoring the database for CPU utilization and killing unwanted user processes
- Plan for system growth and monitor capacity usage for new hardware or software requirements and communicate these capacity requirements to management
- Administrating Database in various platforms like WINNT 4.0 / 2000, SUN SOLARIS, and HP-UX & Linux
- Create new Databases, perform regular backups for all the database and main the DB’s
- Working knowledge of ITSM ticketing tool (Remedy 6)
Environment: Oracle 8i/9i/10g,11g, SQL PLUS, Unix/windows, Confidential Enterprise Manager, RMAN.