Senior Oracle Dba Resume
St Louis, MO
SUMMARY
- Over 9 years of Oracle experience.
- Excellent experience in administering 10g/11g Real Application cluster (RAC).
- Excellent experience in installing and patching database in both RAC and standby configuration.
- Oracle Linux/Solaris/Windows OS OracleRDBMS & and SQL Server databases
- Installation, configuration, cloning, maintaining concurrent managers, user management issues and space management, Patching (database and application patches), backups (logical and physical)
- Oracle RAC 11g/12C grid Infrastructure one node, multi node installation and configuration schema updates, data migrations, tech upgrades, user maintenance, troubleshooting, backup management, performance tuning, data recovery, and disaster recovery planning
- Documentation, software development methodology, version control, testing, and migration standards
- Performance Tuning of SQL statements and Database using tools like AWR, Explain plan, TKPROF, SQL Analyze, STATSPACK and Dynamic Performance Views.
- Oracle Active Dataguard for high availability/disaster recovery setup (implement and test DR plan)
- Replication, Performance Tuning, RMAN, ASM, RAC, OEM
- Handled more than 400 databases with max size of 15TB.
- Data Pump and Exp/Imp utilities, replication of tables to cross platform and Creating Materialized Views, PL/SQL and stored procedures and SQL scripting,
- PL/SQL scripts for data manipulation and validation and materialized views for remote instances.
- Created PL/SQL stored procedures, functions and packages, creating indexes on the tables for faster retrieval of the data to enhance database performance.
- Performed SQL and PL/SQL tuning and Application tuning using various tools like EXPLAIN PLAN, SQL*TRACE, TKPROF and AUTOTRACE.
- Diagnosis and troubleshooting typical SQL, PL/SQL Tuning issues
- Data modeling, Table restructuring in oracle database
- Disaster Recovery Strategies, testing & implementation
- Support and manage Onsite - Offshore model for Production in 24/7 systems, Development and Test instances and Oracle Applications environments of varied complexity.
- Installation and basic administration of Microsoft SQL Server 2000
TECHNICAL SKILLS
Platforms: Sun Solaris, IBM AIX, Windows XP/2000/ 98, Windows Server 2003, Linux
Database: Oracle 12C, 11gR1/R2 (11.1.0.7/11.2.0.3/11.2.0.4 ), Oracle 10g, Oracle 9i/8i, MS-SQL Server (7,2000) 11gR2 active dataguard
Languages: PLSQL, UNIX Shell Scripts, T-sql, C, C++
Tools: OEM, RMAN, TOAD 9.5, Golden gate, SSIS, Jira, Remedy, HP Quality Center, Autosys
PROFESSIONAL EXPERIENCE
Confidential, St. Louis, MO
Senior Oracle DBA
Responsibilities:
- Responsible for database infrastructures, strategies, enterprise solutions, administrations.
- Database up gradation to its higher release like 10.2g to 11.1g and 11.1g to 11.2g, 11g to 12c.
- Defined and implemented HA/DR solutions using Oracle Data Guard, Oracle RAC for the company’s mission critical applications to maintain business continuity.
- Looking into day-to-day activities of Production database, monitoring its growth and performance.
- Worked on Backup and Recovery strategies, improve database functionality, consolidate databases, and provide periodichealth check to ensure your system is operating at maximum efficiency.
- Experience with Java application support and troubleshooting.
- Strong understanding in PL/SQL and SQL and able to write SQL query.
- Actively participate in developing Shell scripts to automate and monitor.
- Working knowledge of ticketing tool (HP Service Manager/Remedy/ITSM7).
- Monitoring the jobs through Autosys and will fix the bug.
Environment: Oracle 10g, 11g, 12c, SQL, PL/SQL, Linux/Windows, RMAN, Oracle Enterprise Manager (OEM), SQL server, Autosys, Jira
Confidential, Chicago, IL
Senior Oracle DBA
Responsibilities:
- Involved as DBA for knowledge transfer activity.
- Database support (Monitoring, Administration, and Tunings & Backup) in oracle 9i, 10g, 11g
- Database upgradation to its higher release like 10.2g to 11.1g and 11.1g to 11.2g.
- Responsible for implementation and management of dataguard. (logical database)
- Remote database administration of the instances.
- Looking into day-to-day activities of Production database, monitoring its growth and performance.
- Hands on experience with Refreshes using rman and user using veritas managed methods.
- Experience on working on the DB’s hosted on Clustered Servers.
- Linux crontab configuration to automate the shell scripts. Extensively worked on DBMS JOB and DBMS SCHEDULER.
- Working on DR Drills.
- Perform database software installation/patching/up gradation to development, test and production servers.
- Management of oracle Instance, physical structure of the database like data files, redologfiles, control files (mirroring of the control file) and Storage management.
- Creating users with restricted access, profiles and attaching them with users
- L1+ work for SQL server.
- Working knowledge of ticketing tool (HP Service Manager)
Environment: Oracle 8i, 9i, 10g, 11g, SQL, PL/SQL, Linux/Windows, RMAN, Oracle Enterprise Manager (OEM), SQL server
Confidential, Phoenix, AZ
Oracle DBA / Developer
Responsibilities:
- Responsible for, both manage and support all Production, Development and Staging instances of Oracle Version 8i, 9i, 10g.
- Maintaining databases in 24x7 Production environments.
- Monitor and troubleshot 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
- Writing scripts for informing the DBA’s regarding the status, performance and Space Management of the Database.
- Provide 1st 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.
Environment: Oracle 10g/11gR2, SQL PLUS, PL/SQL, Solaris, Linux/ Unix, Oracle Enterprise Manager (OEM)
Confidential
Oracle Database Administrator
Responsibilities:
- Installation of 3 nodes RAC with Golden Gate
- Resolved the issues happened during replication.
- Nesting period of one month under process trainer.
- Installation, Configuration and troubleshooting of Windows NT 4.0 Workstation, Windows 2000 Professional, Windows Xp Professional..
Confidential
Oracle DBA
Responsibilities:
- Specialized to handle severity 1 (mission critical, business loss situation) and escalated issues.
- Analyzing statspack/AWR reports to identify performance problems at instance level.
- Working with development in resolving bugs with Oracle 8i/9i/10g/11g.
- Worked with IT managers and application developers, bug developers in resolving critical database issues.
- Train and coach new joiners in the team.
- Helping others in technical issues via oracle community and oracle forums.
- Create a duplicate database or cloning of database for testing purpose from production.
- Creation of new database.
- Writing Shell scripts for monitoring the Oracle databases and scheduling the jobs.
- Working on backup failure issue and providing the solutions in minimum time.
- Recovery of latest data in case of database failure.
Confidential
Oracle DBA
Responsibilities:
- Maintenance of Oracle production and development databases in RAC as well as for single instance environment.
- Capacity and Storage planning for future storage requirements
- Managing Database Structure, Storage Allocation, Table/Index segments, and Rollback segments, Constraints, Database Access, Roles and Privileges.
- Checking Alert log & monitoring growth of the Tablespaces.
- Managing Oracle by using OEM
- Creation of Users under the Security Management.
- Planning and scheduling backups using Cron
- Backup, Export/Import and various database issues
- Testing Recovery Strategies by Simulating Database Crashes on Development Systems
- Computing the statistic of database through monitoring dynamic and performance tables regularly & Implemented SQL scripts to monitor & to get information on free space, Extents, Tablespaces.
- Tuning database, applications, memory, and disk usage
- Monitoring and optimizing the performance of the Database
- Capacity Planning, Minimize the database down time.
- Rebuild standby database from primary database.
- SQL Tuning
- Apply CPU patch on oracle databases, supporting unix administrators for OS patching
- Upgradation from 10.2.0.4 to 10.2.0.5.
- Check and provide the resolution for grid alerts, job failures, and tablespace issues.
- Rebuild standby database from primary database.