Sr. Oracle Database Administrator Resume
Westchester, PA
SUMMARY:
- 13+ years’ experience of Oracle Database Administration, Data Migration, PL/SQL ETL support, and Application Implementation.
- Thorough hands on experience on Oracle 12c,11g, 10g, 9i, 8i, 7.3 databases on variety of operating system like Enterprise Linux, AIX, Solaris and Windows Environments.
- Oracle GRID infrastructure (cluster ware/ASM)/RAC (Real Application Cluster) installation, implementation and up gradation.
- Backup and Recovery management using RMAN (Recovery Manager).
- Data Replication and management using Data guard/Golden Gate.
- Distributed database management using Materialized view, DB LINK, Synonyms.
- Expertise in Database Performance Tuning(Instance Tuning/SQL Tuning/TKPROF)
- Create and maintain Logical data model using Enterprise Architect.
- Data refreshes from Production to Non production using data pump(EXPDP/IMPDP)
- Database and system migration from Legacy system to Oracle 10g/11g.
- Expertise in Oracle Data migration using Data pump/DB link/Golden Gate
- Create, Manage and configure ASM Disk Groups.
- Monitor and Manage Database through OEM (Oracle Enterprise Manager).
- Use OEM (Oracle Enterprise Manager) utilities like Memory Advisors, SQL advisors, Segment Advisors, and ADDM
- Expertise in providing production database support for application.
- Expertise in data management using SQL/PLSQL.
- Experience on VI editor and UNIX SHELL scripting
- Maximum availability architecture (MAA) implementation.
- Interface with Confidential using My Oracle Support for critical incidents.
- Worked primarily in Banking, Manufacturing and Telecommunication Domains.
- Expertise in database bug fixing and logical data error correction.
- Handled multiple tasks and adapt to a constantly changing environment.
- Worked in multiple projects concurrently.
- Technological forte is Oracle DBA and also proficient in SQL, PL/SQL, and UNIX shell scripting.
TECHNICAL SKILLS:
Database: Oracle 12c, 11G, 10G, 9i, 8i, 7.3
Languages & Technologies: SQL, PL/SQL.
Tools: / IDEs: SQL Developer, Toad, Oracle Enterprise Manager (OEM)
Scripting Languages: UNIX Shell Script.
Operating Systems: Windows, UNIX, Linux
Job Scheduling: UNIX Cron job, DBMS SCHEDULER
PROFESSIONAL EXPERIENCE:
Confidential, Westchester, PA
Sr. Oracle Database Administrator
Responsibilities:
- Providing 24*7 L2 Database administration support for more than 2000+ Databases
- Oracle GRID infrastructure/ RAC installation, Up gradation and patching.
- RMAN TAPE backup configuration using Net backup /Data Domain third partly library
- Oracle Database Backup and Recovery using RMAN tape backup.
- Physical standby database (Data Guard) configuration and management.
- Oracle data Guard broker configuration.
- OEM Agent installation, Target deployment, Metric and Template creation.
- Data Replication using GOLDNE GATE and management.
- Database Refreshes from production to pre - production, QA, testing environment using RMAN, EXPDP.
- Oracle Database performance assessment using AWR (Automatic work repository)/ADDM (Automatic database diagnostic monitor), OEM, SQL Plan Management, SQL profiling.
- Use OEM utilities like Memory Advisors, SQL advisors, Segment Advisors, and ADDM.
- Post incident Root cause Analysis.
- Database statistics collection using DBMS STATS or Analyze.
- Database Performance Tuning using SQL Tuning advisor.
- SMOP creation for database change implementation.
- Apply CPU (Critical patch update) and PSU (Patch set Update) in Production, Q/A, Testing and Development Environment.
- Interface with Confidential using My Oracle Support for critical incidents.
- Worked on ticket managing tool JIRA.
Environment: Oracle Database 12c, 11gR2, OEM, UNIX Shell scripting.
Confidential, TXSr. Oracle Database Administrator.
Responsibilities:
- Oracle GRID infrastructure/ RAC installation, Up gradation and patching.
- Oracle Database Backup and Recovery using RMAN.
- Physical standby database(Data Guard) configuration and management
- Planning, Testing and Migration of Database schema from UNIX system to Linux system using EXPDP/IMPDP, shell scripts, SQL/PLSQL script and GOLDEN GATE.
- Database schema Deployment and Periodic up gradation.
- Logical database management (schema management).
- Distributed Database management using Materialized view, DB link, Public Synonym. Golden Gate
- Database Refreshes from production to pre-production, QA, testing environment using DB Link, DATA PUMP.
- Development of UNIX script for Database schema management automation and code deployment.
- Oracle Database performance assessment using AWR(Automatic work repository)/ADDM(Automatic database diagnostic monitor)
- Use OEM utilities like Memory Advisors, SQL advisors, Segment Advisors, and ADDM.
- Maximum availability architecture (MAA) implementation.
- Database statistics collection using DBMS STATS or Analyze.
- Database Performance Tuning using SQL Tuning advisor.
- Creation of stored outlines for performance stability.
- Secure database connection set up using oracle wallet and oracle native encryption.
- Preparation and Implementation of Change request in production Environment.
- Experience of client configuration for Oracle Directory Services and Active Directory integration
- Installation and Up gradation oracle software in QA, Testing and Development Environment.
- Apply CPU (Critical patch update) and PSU (Patch set Update) in QA, Testing and Development
Environment: Oracle Database 11gR2, PL/SQL, UNIX Shell scripting.
Confidential, MISr. Oracle Database Administrator
Responsibilities:
- Installation, configuration and up gradation of Oracle server software 11g RAC and related products.
- Establish and maintain sound backup and recovery policies and procedures using RMAN (Recovery Manager) and EXPDP/IMPDP.
- Configure and manage physical stand by database using DATA GURAD.
- Migration of Databases from UNIX system to Linux system using EXPDP/IMPDP, shell scripts, SQL/PLSQL script and GOLDEN GATE.
- Implement and Maintain ODS (Operational data source).
- Oracle Database performance assessment using AWR(Automatic work repository)/ADDM(Automatic database diagnostic monitor)
- Use OEM (Oracle Enterprise Manager) utilities like Memory Advisors, SQL advisors, Segment Advisors, and ADDM.
- Maximum availability architecture (MAA) implementation.
- Database schema Deployment and Periodic up gradation and maintenance.
- Database statistics collection using DBMS STATS or Analyze.
- Identification and Tuning SQL queries.
- Monitoring and Resolving Database session LOCKS.
- Database Security implementation and management for SOX controls.
- Secure database connection set up using oracle wallet and oracle native encryption.
- Provide 24*7 technical L3 support for PL/SQL ETL (Extract Transport and Load) tool.
- Database Refresh from production to testing environment using DB Link, Export/Import.
- Configuring and Monitoring Tablespace utilization, Database growth for estimation and future space requirement.
- Database space management using DBMS ADMIN, Table/Index rebuild.
- Database Clean up by Archiving and rebuilding Table/Indexes, Dropping temporary tables.
- Monitoring and repairing any invalid and unused indexes.
- Requesting system DBA for new schema creation and additional storage addition.
- Participation in weekly change review meeting.
- Construct the database changes for existing application.
- Conducting code walks through and reviews of database deployment.
- Review the change deployment in production environment.
- Prepare and execute database change deployment plan.
- Providing database solutions using GM ticketing management tools.
- Involved in catch and throw Transition activities during initial phase of the project.
- Interface with Confidential using My Oracle Support for critical incidents.
Environment: Oracle Database 11g, PL/SQL, SQL Developer, UNIX Shell scripting, Oracle Enterprise
ConfidentialOracle Database Administrator
Responsibilities:
- Planning, Testing and Migration of Database schema from testing system to Production system using shell scripts, Database Link, SQL Loader, Export/Import.
- Create and maintain Logical data model using Enterprise Architect/ERwin.
- Development and Testing database set up.
- Physical data model management using SQL Developer.
- Data refresh from production to development and testing environment using DB Link, Export/Import
- Oracle Database performance assessment using AWR(Automatic work repository)/ADDM(Automatic database diagnostic monitor)
- Database statistics collection using DBMS STATS or Analyze.
- Identification and Tuning of SQL queries.
- Monitoring and Resolving Database session LOCKS.
- Configuring and Monitoring Tablespace utilization, Database growth for estimation and future space requirement.
- Database space management using DBMS ADMIN, Table/Index rebuild.
- Database Clean up by Archiving and rebuilding Table/Indexes, Dropping temporary tables.
- Monitoring and repairing any invalid and unused indexes.
- Requesting system DBA for new schema creation and additional storage addition
- Implement and maintain database security (create and maintain users and roles, assign privileges)
- Perform general technical trouble shooting and give consultation to development teams
- Interface with Confidential using My Oracle Support for critical incidents.
Environment: Oracle Database 10g, 11g, PL/SQL, SQL DEVELOPER, Enterprise Architect, UNIX Shell scripting.
ConfidentialOracle Database Administrator
Responsibilities:
- Installation, configuration and up gradation of Oracle server software 10g RAC, 11g RAC and related products.
- Evaluate Oracle features and Oracle related products.
- Establish and maintain sound backup and recovery policies and procedures using RMAN (Recovery Manager)
- Configure and manage physical stand by database using DATA GURAD.
- Perform Live DR-DRILL half yearly.
- Implement and maintain database security (create and maintain users and roles, assign privileges)
- Database Performance Tuning
- Configuring and Monitoring Tablespace utilization, Database growth for estimation and future space requirement.
- (Capacity planning)
- Work as part of a team and provide 24X7 supports.
- Perform general technical trouble shooting and give consultation to development teams
- Patch Management and Version Control.
- Interface with Confidential using My Oracle Support for critical incidents.
- Setup and maintain Documentation and standards
Environment: Oracle Database 10g, 11g, PL/SQL, TOAD, RMAN, TKPROF, UNIX Shell Scripting.
ConfidentialApplication Implementer and Database Administrator
Responsibilities:
- Installation, configuration and up gradation of oracle database software 9i on Red Hat Linux.
- Initial database creation and configuration.
- Database backup configuration using Export/Import and cold back up.
- Database performance tuning.
- Creating ad hoc query and report as per the user request.
- Data fix as per the user request using SQL, PL/SQL.
- Physical data model deployment.
- Client software installation and configuration.
- Network connectivity configuration between client and server using oracle net.
- Extraction, transformation and loading of legacy systems data into Dot Soft systems for parallel run.
- Perform the UAT.
- Production deployment planning.
- Parallel system run with legacy system and compare and validate the data.
- Making the system live.
- Providing production support for application and database after the system is live.
- Provide training to end user for new system(Dot Soft)
- Leading team of 6 members.
Environment: Oracle Database 9i, PL/SQL, TOAD, Oracle Developer 2000(Forms and Reports), UNIX shell scripting