Rajasekar Pandiyan
Chennai,India
Summary
Experienced Oracle Database Administrator with talent for optimizing database performance and ensuring data integrity. Skilled in managing complex database environments, leading to improved system efficiency and user satisfaction. Known for solving critical issues quickly and implementing best practices for long-term stability.
Overview
10
10
years of professional experience
5
5
years of post-secondary education
1
1
Certification
Work history
Senior associate
Cognizant Technologies
Chennai, India
02.2023 - Current
- Engaged in proactive maintenance tasks; sustained high availability of databases.
- Monitored alert log, memory, disk I/O and CPU usage as part of DBA daily activities.
- Troubleshot performance issues, improving system reliability.
- Monitored database performance and identified areas for improvement.
- Applied security patches, considering implications to application and infrastructure.
Senior Database Administrator
Wipro Technologies Pvt Ltd
Chennai, India
11.2021 - 01.2023
- Implemented disaster recovery plans, minimizing downtime during system failures.
- Established effective communication channels for seamless coordination amongst teams.
- Oversaw correct synchronization between databases, troubleshooting application-related issues.
- Coordinated all test phases with functional and technical leads to achieve timely processing and meet SLAs.
- Coordinated with developers to fine-tune SQL queries for improved query response times.
Oracle Database Administrator
Tata Consultancy Services
Chennai, india
04.2021 - 11.2021
- Provisioned and managed database instances, setting up replication and high availability.
- Monitored alert log, memory, disk I/O and CPU usage as part of DBA daily activities.
- Created disaster recovery plans, reducing potential downtime risks.
- Developed backup strategies using incremental and cumulative backup methods.
- Trained and mentored junior database personnel to share best practices and standardise strategies.
- Collaborated with developers on schema design for application integration.
Oracle Database Administrator
Barclays Global Services Pvt
Chennai, India
03.2020 - 04.2021
- Engaged in proactive maintenance tasks; sustained high availability of databases.
- Coordinated with software vendors to resolve technical issues efficiently.
- Handled capacity planning tasks, enhancing database scalability.
- Applied security patches, considering implications to application and infrastructure.
- Facilitated training sessions for junior DBAs, fostering team development.
Analyst
Aspire Systems Pvt Ltd
Chennai, India
03.2019 - 03.2020
- Coordinated regular data backups and maintained recovery standards to quickly bring back lost information.
- Worked successfully under Agile methodologies to deliver on-time projects.
- Collected and analysed data, providing recommendations to help improve database performance.
- Monitored database performance and identified areas for improvement.
Oracle DBA
Unilog Content Solutions Pvt ltd
Mysore, India
07.2015 - 05.2019
- Assisted in creating database design documents, working with Dev and architecture team.
- Collaborated with developers on schema design for application integration.
- Diagnosed and resolved performance, connectivity, security and database corruption issues.
- Conducted testing to diagnose system faults.
- Supported team by demonstrating respect and willingness to help.
- Increased customer satisfaction by resolving issues.
Education
Bachelor of Engineering - Electrical and Electronics Engineering
Parisutham Institute Of Technology and Science
India 09.2008 - 11.2013
Skills
- Adaptable to technological changes
- Project coordination
- Critical-thinking
- Data guard experience
- Agile methodology implementation
- Risk Management
- Cloud computing services
- Analytical-thinking
- Performance monitoring
- Security assessments
- Database tuning
- Real application clusters knowledge
- Performance tuning
- Exadata machine familiarity
- Knowledge of oracle rac
- Backup and recovery strategies
- Optimising query plans
Languages
English
Fluent
Tamil
Fluent
Affiliations
- Playing out door games
- Cooking
Certification
Certified in Oracle Multicloud Architect Associate 2024
Timeline
Senior associate
Cognizant Technologies
02.2023 - Current
Senior Database Administrator
Wipro Technologies Pvt Ltd
11.2021 - 01.2023
Oracle Database Administrator
Tata Consultancy Services
04.2021 - 11.2021
Oracle Database Administrator
Barclays Global Services Pvt
03.2020 - 04.2021
Analyst
Aspire Systems Pvt Ltd
03.2019 - 03.2020
Oracle DBA
Unilog Content Solutions Pvt ltd
07.2015 - 05.2019
Bachelor of Engineering - Electrical and Electronics Engineering
Parisutham Institute Of Technology and Science
09.2008 - 11.2013
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