Oracle Database Administrator Resume
Duluth, GA
SUMMARY:
- with over 6 years + of experience in IT infrastructure and ERP implementations with strong technology leadership experience to technical engagements, along with a broad functional expertise. Ability to provide expert - level technical support in all aspects of database administration including installation, configuration, upgrades, patching, migration, capacity planning, performance tuning and backup and recovery. Self-motivated, able to forge and sustain positive business relationships using interpersonal acumen to garner customer satisfaction and achieve cooperate goals.
- Full responsibility and expertise in database administration (DBA), performance tuning, database backup, database recovery, database security, database optimization, data migration of Oracle instance
- Proficient in database administration, production supporperformance tuning, capacity planning, space
- Proficient in Oracle 12C (Container and Pluggable database) Implementation
- In-depth knowledge of TDE (Transparent data encryption (at rest) with network encryption in inflight
- Performed FLASHBACK features to handle efficient database recovery
- In-depth knowledge and understanding of Oracle Database features such as RMAN for backup and recovery, Materialized Views, Export/Import, Data Pump and Data Guard
- Bulk loads and data migrations (using SQL*Loader, data pump import/export, FTP, ETL)
- Expert in RMAN backups including full, incremental and cumulative
- Experienced in Installation of high availability RAC environment and upgraded standalone databases to RAC environment
- Experience in Real Application Clusters (RAC) setup, configuration and cluster interconnection with Automatic Storage Management (ASM), configured user log on load balancing and failover on RAC database for high availability
- Excellent knowledge in Flashback Recovery, Hot/Cold Backup and Cloning/Refresh of databases using RMAN
- Experience in applying patches (CPU)/ patch sets (PSU) to multiple different databases
- Extensive experience with Database Cloning and Refreshing pre-prod/dev databases with prod/pre-prod
PROFESSIONAL EXPERIENCE:
Confidential, DULUTH, GA
ORACLE DATABASE ADMINISTRATOR
- Experience in applying CPU/PSU patches to various versions of databases with minimum downtime.
- Proactive monitoring, identifying areas that need to be improved in the application and database using ASH Analysis, EXPLAIN PLAN, SQL TRACE, ORADEBUG, AWR, ADDM, and 10g OEM Grid Monitoring.
- Good experience in Oracle Clustering services (CRS), and High Availability features. Extensive Knowledge of 10g and 11g ASM.
- Good Experience in Database Backups and Recovery Strategies Using RMAN and Expert experience in Hot and Cold Backup of databases.
- Good knowledge in creating RMAN Duplicate Databases and FLASHBACK recovery features.
- Design, document, implement, and maintain all backup, recovery including disaster recovery.
- Worked with EXP/IMP, EXPDP/IMPDP data pump to refresh the schemas and tables
- Strong Exposure on High Availability Concepts (GoldenGate, RAC, Standby) Database Cloning, and Oracle Streams.
- Oracle GoldenGate experience with Installation, configuration and troubleshooting of Oracle GoldenGate 11g/12c replication setup across heterogeneous database servers and ensure data synchronization.
- Proficient in Oracle Database Administration activities such as Upgrades, Patches, my oracle support
Confidential - IOWA CITY, IA
ORACLE DATABASE ADMINISTRATOR
- Responsible for Oracle 11g and 12c logical and physical database design, implementation, and maintenance on Windows and Linux environments
- Created new databases and users: set up backups, export, and other monitoring scripts
- Deploying codes from one database to another and worked on resolving various performance issues
- Implemented database refresh using expdp, provided improved database performance resolution and effective space management
- Migration from one platform to another using transportable table space and import and export utilities
- Managing database security automated data backup and restoration methodologies.
- Strong skills in applying security patches (Patch set, Critical Patch Updates (CPU) / Patch Set Updates (PSU)
- Applied Patch Set Updates (PSU) for RAC and Stand - Alone instances as releases were made available by Oracle
- Applied Oracle Patches to environments where problem tracking with Oracle Support suggested on RAC & Single Instance environments
- Provided 24x7 Remote / on-call production supports
- Provide technical support for database maintenance and disaster recovery
- Supported Security User Management, Privileges, Roles, Auditing, Profiling, Authentication
- Database monitoring and performance tuning using OEM (Oracle Enterprise Manager)
- Index creation and management for optimization of DB Processes
- Used Grid Control extensively and set up Rules for alert notification and schedule RMAN backups with Failure notification
- Extensive experience implementing backup and recovery strategy for disaster recovery using Hot/Cold Backups and using the Oracle backup utility such as RMAN.
- Analyzed Statspack/AWR Reports to identify on-going/proactive issues and worked with application teams to resolve
- Performed policies on data confidentiality, integrity, availability, and auditability, based on Access controls for Access to Data at the database level.
- Performed SQL and PL/SQL tuning oracle contention and monitored production database using Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM) and Automatic Session History (ASH).
- Supported and maintained Development, Test and Production databases on various servers
- Managing Database Structure, Storage Allocation, Table/Index segments, Rollback Segments, Undo Segments, and Constraints. Used hints for SQL tuning and optimization
- Database reorganizations and refresh schema-using Export/Import. Creating the database, table spaces, tables, indexes, setting privileges and user logins
- Experience with database replication and scaling issues
- Setup dataguard broker successfully; Configured Oracle Data Guard (standby database, both logical and physical)
- Implemented and configured goldengate on a 2-node RAC cluster
Confidential - Ann Arbor, MI
Oracle Database Administrator Oracle DBA
- Installation, configuration and administration of oracle databases. Experience in DB upgrades, patch application, db migration, performance tuning and all general database support
- Ensure that daily and hourly database backups completed successfully and perform period database restore testing to ensure the database can be restored in the case of a disaster
- Good knowledge on the Creation of table spaces, data files, roles, redo logs, rollback segments, and index rebuild. Performance and space management of the database
- Extensive experience in Performance Tuning of database, instances, SGA, I/O, and Rollback segment using different methods and detecting locks
- Experience in Implementing FLASHBACK technology and its various features in Oracle 10g/11g and 12c
- Experience in applying several patches such as CPU/PSU patches, One - Off Patches, Interim patches, DST, Patch sets as per the oracle recommendations
- Participated in planning and implementation of off-site Disaster-Recovery planning and testing
- Duties included database creation, backup/recovery using RMAN, tuning/reorganization, user and security management, auditing, cloning, general troubleshooting
- Extensively used Oracle Enterprise Manager (OEM) for maintaining and monitoring database
- Expertise in database refresh, schema changes, backup and restore testing, database troubleshooting and db performance tuning
- Worked closely with Developers, Application analysts, Database programmers and web developers.
- .involved in converting a single instance database to oracle 12c, 11g, 10g RAC databases
Confidential - Colorado Springs, CO
Oracle Database Administrator
- Supported Oracle on Linux Red Hat, HPUX, & AIX environment
- Cloned Oracle environments using Recovery Manager(RMAN) for user acceptance testing of new releases
- Applied Oracle Patches to environments where problem tracking with Oracle Support suggested on RAC & Single Instance environments
- Capacity analysis of Oracle Databases and the Data warehouse
- Review and Troubleshoot issues within the Oracle environment as issues presented
- Work with application support to troubleshoot any performance issues within the environment
- Analyze any issues and provide root cause analysis to the RCA Board
- Managed Oracle 10g, 11g, and 12c databases
- Create documentation for all issues and new implementations maintain, and fix shell scripts used to monitor the database
- Monitor the database via OEM 12c and resolve any issues that presented
- Database restoration and backup with RMAN a
- Attend weekly change board meetings and ensure all changes to the database have proper visibility
- Review, monitor, and resolve all tickets within the database ticket queue
TECHNICAL SKILLS:
Databases: Oracle 10g, 11g, 12c, Exadata
Database Tools: Oracle (Oracle Enterprise Manager, DB Configuration Assistant) Toad, OEM Grid, RMAN, Exp/Imp/Data Pump, AWR, DBCA, DBUA, ADDM, TKPROF, Toad, Putty, WinSCP, SQL Developer,, SQL*Plus, SQL LOADER, EXADATA OEM 12c. Oracle RDBMS 10g, 11g and 12C (Container and Pluggable databases)
Operating Systems: RedHat LINUX 5,6,7, UNIX, Solaris, WINDOWS, ), IBM AIX:
Other Skills: Oracle, DATA GUARD, GOLDEN GATE, RAC, SQL SERVER and Exadata