Oracle DBA Resume Samples

Description :

1. Installed and configured Oracle 11g databases across production, development, and test environments, ensuring compliance with project specifications.
2. Managed and supported Oracle 11g, 12c RAC, and standby databases, providing 24x7 on-call support for 12 databases totaling 2.0 TB, utilizing Oracle Cloud Control for monitoring and alerts.
3. Administered user access and space management, granting necessary privileges while ensuring data security and integrity.
4. Applied critical patches and upgrades, maintaining database performance and security across all environments.
5. Regularly refreshed development and test instances with production data to ensure accurate testing and development.
6. Created and managed user roles and privileges based on activity requirements, enhancing security and operational efficiency.
7. Executed table and index defragmentation to optimize performance and manage storage effectively.

Experience

7-10 Years

Level

Management

Education

MSc CS

Description :

1. Managed container and pluggable databases, performing incremental backups using Recovery Manager to ensure data integrity and availability.
2. Installed and configured a 3-node Oracle RAC on Linux and Solaris, utilizing Veritas Cluster for high availability.
3. Conducted comprehensive database performance audits using AWR snapshots and diagnostic SQL scripts to identify and resolve bottlenecks.
4. Upgraded Oracle RDBMS and associated tools, ensuring compatibility and optimal performance across all database environments.
5. Oversaw migrations of applications and database changes through the development lifecycle, ensuring minimal disruption to services.
6. Performed regular maintenance on databases and ERP systems, including patch management, cloning, and upgrades to maintain system health.
7. Implemented security measures and best practices to safeguard sensitive data and ensure compliance with industry standards.

Experience

7-10 Years

Level

Management

Education

MSc CS

Description :

1. Executed comprehensive database administration tasks, including installation, configuration, upgrades, and performance tuning for Oracle databases across various environments.
2. Configured Oracle Enterprise Manager Cloud Control 12c for enhanced monitoring, performance tuning, and alert management, improving operational efficiency.
3. Troubleshot and resolved issues in RAC environments, ensuring seamless upgrades from 11.2.0.4 to 12c in QA and development settings.
4. Implemented Automatic Storage Management (ASM) for both RAC and standalone databases, optimizing disk management and performance.
5. Conducted database sizing, transaction management, and security administration, facilitating data migration using Oracle 10g and 11g utilities.
6. Managed multi-terabyte database migrations with minimal downtime, ensuring business continuity and data integrity.
7. Oversaw daily DBA activities, including monitoring, backup and recovery using RMAN, and troubleshooting production issues to maintain optimal database performance.

Experience

5-7 Years

Level

Consultant

Education

BSc CS

Description :

1. Designed and implemented a comprehensive recovery catalog, executing complete and incomplete recoveries using RMAN to ensure data integrity.
2. Developed automated scripts for database backups and archive log maintenance, enhancing operational efficiency.
3. Streamlined backup procedures and disaster recovery plans using RMAN, significantly reducing downtime during incidents.
4. Collaborated with application teams to review database migration strategies, gathering critical legacy information for seamless transitions.
5. Established and enforced database policies, standards, and procedures to maintain compliance and operational excellence.
6. Optimized physical database design, including tablespaces and data files, while monitoring capacity and growth to ensure performance stability.
7. Conducted instance-level performance monitoring and tuning, addressing event waits and memory usage to enhance overall database performance.

Experience

7-10 Years

Level

Management

Education

MSc CS

Description :

1. Configured disaster recovery databases using Oracle Data Guard, performing switchover and failover operations while monitoring through Data Guard Manager.
2. Established physical standby databases for production, converting them to snapshot standby and active Data Guard configurations.
3. Created and configured Oracle databases of various sizes (200GB, 400GB, 2TB, and 6TB) across development, testing, and production environments.
4. Installed and configured a 2-node Oracle RAC environment on Linux with ASM and Data Guard for high availability.
5. Proactively monitored production databases to identify potential issues, preventing high-severity outages.
6. Currently managing a database split project, ensuring data synchronization across new databases for different regions using Data Guard.
7. Conducted performance tuning and troubleshooting for databases, optimizing SQL queries across various environments.

Experience

0-2 Years

Level

Junior

Education

BSc CS

Description :

1. Conducted health checks on OCR, voting disks, and interconnects to enhance performance and troubleshoot issues in a RAC 11g environment.
2. Managed Active Data Guard configurations, ensuring data integrity and availability through effective troubleshooting.
3. Executed seamless migrations of databases from 10g to 11g using export/import and Data Pump utilities, ensuring minimal downtime.
4. Performed weekly data refreshes from production to development and test environments, maintaining data consistency across platforms.
5. Provided expert application support for performance and database-related issues, enhancing user experience and system reliability.
6. Implemented database reorganizations to optimize performance and ensure maximum uptime, contributing to overall system efficiency.
7. Developed and maintained comprehensive documentation for database configurations and procedures, facilitating knowledge transfer and compliance.

Experience

7-10 Years

Level

Management

Education

M.S. CS

Description :

1. Executed upgrades, bug fixes, and enhancements to Oracle databases, ensuring optimal performance and security through regular maintenance and patch application.
2. Utilized database tuning techniques to significantly reduce lag and improve performance, including application redesign and kernel performance tuning.
3. Enhanced data integrity and accuracy by employing SQL for troubleshooting and managing Oracle 10g and 11g databases, ensuring seamless installation and configuration.
4. Managed over 130 production and development databases, successfully upgrading from Oracle 10g to 11g and applying necessary patches to maintain system integrity.
5. Monitored daily backups and logs, implementing recovery procedures as needed to safeguard data.
6. Implemented robust backup and recovery solutions using RMAN, including both hot and cold backups to ensure data availability.
7. Configured Data Guard for maximum availability and performance, managing failover and switchover processes during upgrades and migrations.

Experience

2-5 Years

Level

Executive

Education

BSc CS

Description :

1. Designed and implemented data security and backup/recovery specifications to meet compliance requirements.
2. Created and maintained comprehensive documentation for database creation and implementation processes.
3. Collaborated with cross-functional teams and external contractors to troubleshoot and resolve production issues.
4. Facilitated technical review meetings to discuss project progress and gather feedback from stakeholders.
5. Maintained up-to-date industry knowledge and participated in technical training as required.
6. Installed and configured GoldenGate for real-time data replication, ensuring data consistency across environments.
7. Analyzed database requirements for developers and business analysts during migration projects from Unix to Linux.

Experience

2-5 Years

Level

Executive

Education

BSc CS

Description :

1. Mentored junior staff on database design and administration, enhancing team capabilities and knowledge sharing.
2. Developed and implemented shell scripts for monitoring Oracle DB performance, including session, process, and deadlock analysis.
3. Identified and resolved database availability and performance issues, ensuring minimal downtime and optimal performance.
4. Conducted real-time application testing by capturing and replaying database workloads, improving application reliability.
5. Designed and executed comprehensive backup and recovery strategies using RMAN, safeguarding critical data.
6. Troubleshot configuration issues in Oracle RAC environments, ensuring high availability and performance.
7. Managed database administration tasks, including space management, user roles, and alert log monitoring for all databases.

Experience

5-7 Years

Level

Consultant

Education

BSc CS

Description :

1. Executed comprehensive database management tasks, including running scripts, monitoring daily backup statuses, and ensuring data integrity.
2. Designed and implemented robust backup and recovery strategies for Oracle 10g/11g databases, enhancing data protection.
3. Collaborated with audit teams to conduct database audits, running scripts to verify user roles and permissions.
4. Configured and maintained Oracle RAC clusters, managing both ASM and non-ASM file systems, and successfully upgraded data warehouse databases from 10g to 11g.
5. Implemented Oracle Fail Safe to establish a reliable RAC environment on Windows platforms, ensuring high availability.
6. Managed user accounts, assigning roles and privileges, and monitoring user activities to maintain security compliance.
7. Oversaw database instances for production and testing environments, facilitating smooth transitions and robust testing protocols.

Experience

7-10 Years

Level

Management

Education

MSc CS