Oracle Dba Team Lead Resume
Pittsburgh, PA
SUMMARY
- Oracle 12c and AWS Devops Certified Professional with 11+ years of DBA experience for diverse industry sectors - Banking, Airlines, Insurance, Health, Manufacturing, Food industry
- Proficient in assortment of technologies including Oracle, MySQL and Linux
- Proficient inOracleDatabase Administration activities such as installation of 10g,11g,12c, Upgrades, Migrations, Patches, Cloning, Performance Tuning, RAC, shell scripting, and Flashback technology, Datapump, snapshot
- Solid experience in disaster recovery, Database backup concepts and options such as RMAN-managed backup with or without catalog, cold and hot backup, full back up, incremental, cumulative backup and implementing backup and recovery strategies
- Experience in writing liquibase scripts as part of deployment automation.
- Knowledge on MSSQL, PostgreSQL, NOSQL and trained in Hadoop administration and Mongo database
- In-depth knowledge of Worked on Amazon IAM, EC2, EBS, S3, Glacier, VPC, Route 53, Config, CloudWatch, Cloud trail
- Worked on deployment automation for Oracle databases using Bamboo tool via liquibase.
- Created database and user creation automation scripts for Liquibase job using Git-hub/bamboo
- Applied PSU July 2017 patches on Oracle 11g databases Applied the Cluster ware (GI), Database (RDBMS) Patches and one-off patches using opatch on Linux, AIX servers for standalone and RAC databases.
- Expertise in setup, installation, configuration, maintenance and troubleshooting of several Oracle tools and utilities like Oracle Enterprise Manager (OEM), TOAD, Oracle SQL Developer in various versions.
- Having good experience in configuring OEM 12C cloud control and have hands on experience in monitoring databases using OEM 10g/11g.
- Created and Managed RACONE Node on ODA databases
- Building Oracle Stand by databases, both Active Data guard and for disaster recovery along with work experience with Data guard broker
- Involved in Golden Gate and oracle streams unidirectional set up for Oracle database
- Experience in MySQL database creation non-GTID and upgrade from 5.5 to 5.6 version
- Experience in managing wallets as part of Transparent Data encryption(TDE) and managed PII data
- Created the jobs using SHELL scripting for various database activities
- Performed Database Administration and debugged for database objects includingtables, indexes, views, packagesandprocedures using PL/SQL
TECHNICAL SKILLS
Operating Systems: IBM-AIX, Windows, RHEL 5/6, HP-UX, Solaris, OEL
Database: Oracle 10g/11g,12c, ODA 11g, 12c, MySQL 5.6
Oracle Tools: Expdp/impdp Veritas NetBackup on Linux, DB verify, Oracle (OEM, DBCA, Oracle streams, Explain Plan, ADDM, AWR, SQLTRACE, DBMS SCHEDULER, TOAD, SQL developer
Tools: Vantive, BMC Remedy 7.1, Maestro, Tivoli(TSM), Service Center, SM9 Ticketing tool, Data Protector, Putty, WinSCP, ftp, sftp, BMC, NetBackup, MEM, liquibase-bamboo, Github
Languages: SQL, PL/SQL, Unix scripting
PROFESSIONAL EXPERIENCE
Confidential, Pittsburgh, PA
Oracle DBA Team Lead
Responsibilities:
- Sector Lead and SPOC for Oracle databases, over 3000+ databases spread across North America sectors
- Involved in providing KT to team members, handling/presenting high level meetings with client/Stake holders regarding planning/migration strategies and cascading it to team later.
- Mentored small technical oracle DBA team about the project knowledge and ensured they meet the target activities.
- Applied PSU patches on all the Oracle databases for all the sites located at the HUB’s all over North America
- Actively working with other teams for Server Consolidation & Database Consolidation
- Daily tasks include resolving the incident tickets received through OEM and alerts from ticketing tool
- Oracle Enterprise Manager 13C was deployed for Oracle DB monitoring capabilities.
- Database Technologies like Oracle Real Application Clusters, Oracle Data Guard /fast start failover, Oracle Automatic Storage Management, Oracle Internet Directory, Oracle Enterprise Manager, Oracle RMAN were implemented.
- Wrote scripts for database maintenance activities such as monitoring the growth rate of table spaces and extents.
- Configuring and Monitoring RMAN backups and performing recoveries.
- Periodic data refresh from production to testing environments, Re-organizing database structures etc.
Environment: Oracle 11g,12c, sql developer, OEM, Shell Scripting, Aix, Linux, PDSM
Confidential, Pittsburgh, PA
Logical DBA
Responsibilities:
- Supported Oracle/MySQL databases both on-premises and AWS.
- Deployed code to various environments using bit bucket/bamboo
- Written automation script for schemas export of 3 different databases using dbms utlility.
- Responsible for db/user automation script using Github/liquibase-Bamboo.
- To perform day-to-day activities wrote sql queries/procedures and for reporting purpose
- Installed MEM 8.0 to monitor Mysql databases.
- Responsible to create RMAN catalog and setup backups using catalog for oracle databases.
- Involved in Mysql replication by building slave database for Mysql 5.6 version.
- New database creation in 18c (12.2.0.2) both standalone/RAC and cdb-pdb based.
- Schema refresh for 12c database using datapump
- Resolved database issues for Oracle databases as part of on-call DBA for both RAC and standalone databases.
- Produced DB Links in Oracle for communicating with external databases.
- Written PL/SQL stored procedures as per the application requirement
Environment: Oracle 11g,12c, sql developer, OEM, Shell Scripting, Jira, Linux, Liquibase, MEM, Bamboo, Agile, XML
Confidential, OHIO
Oracle DBA
Responsibilities:
- Responsible for Oracle Database Administration to provide application operation support services.
- Applied PSU Patches on 11g Oracle databases
- Reorganization of tables, indexes for defragmentation of tablespaces export import methods
- Performed RMAN cloning from Prod to non-prod databases
- Experience with upgrade and migration fromoracle11g to 12c on standalone and RAC databases.
- Done Installation and configuration of Golden Gate on 11g database for the replication.
- WorkedwithIAMservice creating newIAMusers & groups in AWS environment
- Involved in trouble shooting of databases as part of performance tuning
- Resolved application connectivity issues along with long running jobs consuming high CPU which resulted in bad performance
- Diagnose and troubleshoot Database problems and failures.
- Modify database structures as required by developers due to business or application requirements, clone development databases for testing and training
- Configured Extract and Replicate pumps for Golden gate replication. Troubleshooting issues in GOLDENGATE Environment using LOGDUMP.
Environment: Oracle 11g,12c RMAN, OEM, Shell Scripting, Remedy, Linux, 11g Grid Control, Tivoli backup, Data pump
Confidential
Sr. Oracle/MySQL DBA
Responsibilities:
- Served as DBA in managing about 80+ medium- to large-scale Oracle databases
- Rebuilding MySQL slave server with non-GTID
- Migrated MySQL database to AWS using MySQL dump
- Backed up and Recovered of theOracleDatabase and Archive logs using RMAN
- Applied PSU patches for 11g,12c oracle databases
- Setup and configured Oracle 10g/11g Physical Standby database (Data Guard) to ensure high availability
- Refreshed Couchbase database on windows using GUI
- Converted physical standby databases to SNAPSHOT standby database and opened in the read/write mode for testing purposes without interrupting the primary production database
- Created standby database on a Exadata server
- Skilled in performing Logical backup using Traditional export/import and Datapump export/import along with managing wallets as part of Transparent Data encryption(TDE).
- Worked with application team in solving various performance tuning issues
- Migration of oracle databases on different platforms using RMAN and Data Pump
Environment: Oracle 11g RMAN, Linux, Remedy, Vantive, Sun Solaris, Couch base
Confidential
Sr. Oracle/MySQL DBA
Responsibilities:
- Applied PSU patches for Oracle databases for OLTP environments
- Involved in migration of oracle/Mysql databases to AWS (Amazon web service)
- Upgraded Oracle database to 12c from 11g
- Migration of Mysql 5.6 databases using Mysql dump to AWS environment
- Rebuilding Mysql slave server for 5.6 version with non-GTID
- Using the flashback feature to roll back the database at particular time as per requirement
- Database Troubleshooting for oracle errors with oracle support using RDA
- Migrated the new databases using the RMAN active duplication, recovered and restored data files and archive logs for Dataguard troubleshooting sync issues.
- Identifying waits and bottlenecks at the database and OS level.
- Worked on Index Rebuild, DDL update, Created Triggers, Created Tables, Indexes, DB links, sequences etc.
- Worked on Switchover from primary to standby with/without DG broker during maintenance.
- Extensively used Oracle features Oracle Data Pump, big file tablespaces, new OEM Grid Control, Database Control, AWR, ADDM, Flashback Database
- Customization and development of K- shell (Korn Shell) scripts scheduled through Crontab for reporting and monitoring the database activities
Environment: Oracle 11g RMAN, OEM, Linux, Remedy, Vantive, MySQL
Confidential
Sr. Oracle/PostgreSQL DBA
Responsibilities:
- Provided 24x7OracleProduction Database Administration as part of on-call DBA.
- Supported 100+ databases including RAC Production database, a Data warehouse database and lot of Development and Test databases.
- Creation of databases on ODA servers and applied patches on ODA servers.
- Involved in RAC ONE NODE Database creation
- Ensured Data Security by oracle Transparent Data Encryption (TDE) by managing wallets
- Monitored the database using OEM 12C by creating threshold points and alerts to different teams to take care of alerts
- Worked on flash back technology as part of the snapshot standby creation and during deployment scenarios
- Created the jobs using SHELL scripting for database migration, refresh and reporting, then scheduled them as job streams through cron jobs and Maestro jobs
- Migrated the databases from stand alone to 2 nodes RAC on ASM file system
- Refreshed PostgreSQL database using pg dump utility
- Cloned/Refreshed Database to create patch, test, development and QA environments.
- Maintained Oracle 11g Data Guard/standby databases for fail-over purposes
- Managed GUI based Postgresql databases on Vmware
- Database migration from 10g to 11g on different platforms on 12c ODA servers
- Involved in Golden Gate unidirectional set up for Oracle database
- Cloned/Refreshed Database environments using RMAN and data pump
- Database tuning at the instance level using AWR reports and OEM.
Environment: Oracle 10g,11g RMAN, OEM, ODA, RMAN, Linux, Remedy, Service center(DWNG), Sun Solaris, Golden gate, PostgreSQL
Confidential
Oracle DBA
Responsibilities:
- Database creation & planning. Managing the physical design of the database.
- Installing Oracle 11g, grid agent on various platforms.
- Upgrading the databases, catalog from 10g to 11g
- Applied the Cluster ware (GI), Database (RDBMS) Patches and one-off patches (for Bug resolution) using opatch on Solaris, RHEL and AIX servers.
- Provided support in managing Oracle streams databases
- Database refresh using RMAN, duplicate, Datapump.
- Using the flashback feature to roll back the database at particular time as per requirement
- Setup and configured Oracle 11g Physical Standby database (Data Guard) to ensure high availability
- Involved in optimizing SQL statements using Indexes and Hints.
- Resolved standby database gap issues from RMAN.
- Monitored the database performance using OEM 12C by creating threshold points and alerts to different teams to take care of alerts
- Worked on block corruption and fixed the corrupted blocks.
Environment: Oracle 10g,11g, OEM, ODA, RMAN, Linux, Remedy, Service center, SM9, HP backup tool, Sun Solaris
Confidential
Oracle DBA
Responsibilities:
- Maintaining more than 300 Prod/QA/Dev/LAB databases in 24X7 Environment.
- Database and server monitoring using OEM 11g and BMC Patrol(Remedy)
- Installing Oracle 10g, grid agent on various platforms along with database creation & planning.
- Allocating system storage and planning future storage requirements for the database system.
- Reorganization of tables, indexes for defragmentation of tablespaces
- Upgrading the databases from 10g to 11g in standalone environment.
- Applying Oracle Patches using OPATCH. i.e. Bug Fixes, CPU and PSU Patches.
- Creation of Physical standby databases and configuring Data guard for high availability
- Backup and Recovery of the databases using RMAN and TSM backups
- Cloned/Refreshed Database environments to create patch, test, development and QA environments using RMAN and data pump
- Installation of OEM agent (11g) and OEM grid (Oracle Enterprise Manager), Monitoring tool for oracle databases.
- Created the jobs through cron jobs and Maestro jobs
- DR Exercise Perform planned switchover and failover to physical standby database with and without Data Guard Broker
Environment: Oracle 10g,11g, OEM, RMAN, Linux, Remedy, Service center, AIX, Maestro backup tool, Citrix, WinSCP, Tivoli backup
Confidential
Oracle Application DBA Trainee
Responsibilities:
- Monitoring database and system health and performance.
- Monitoring alert log and trace files.
- Managing controls files and redo log multiplexing.
- Responsible for Oracle Database Administration to provide application operation support services.
- Provided support to client by traveling to client sites, and rectifying the problems raised for current and prospective customers.
- Creation of user, roles and assigning privileges
- Prepared daily, weekly and monthly reports for clients
Environment: Oracle 10g, RMAN, OEM, RMAN, Linux, Remedy, TOAD, Windows