Girijanand Koppula
Nagaram
Summary
Dynamic Oracle Database Administrator with extensive experience at Tata Consultancy Services, specializing in high availability solutions and data replication. Proven expertise in Oracle GoldenGate and SQL tuning, coupled with strong problem-solving skills. Successfully migrated databases to OCI, enhancing performance and efficiency in mission-critical environments. Passionate about mentoring and optimizing database systems.
Overview
12
12
years of professional experience
Work History
Oracle Database Administrator
Tata Consultancy Services (Client: WTW)
Hyderabad
03.2024 - Current
- Migrated databases to OCI utilizing Data Pump and RMAN for enhanced performance.
- Designed and implemented high availability and disaster recovery solutions with Data Guard and RAC.
- Automated monitoring and backup processes through shell scripting, improving efficiency.
- Conducted AWR/ASH analysis and performed SQL tuning to optimize database performance.
- Handled production issues and coordinated cutover activities using ServiceNow.
- Mentored junior DBAs while creating standard operating procedure documentation.
- Executed database upgrades, cloning, and patching via OCI console to ensure system integrity.
- Supported mission-critical environments by tuning database performance.
Oracle Database Administrator
Tata Consultancy Services (Client: Vodacom)
Hyderabad
09.2023 - 03.2024
- Installed Oracle Veridata, improving data validation processes.
- Managed Goldengate replication to ensure seamless integration of SIEBEL and BRM.
- Optimized Siebel performance by resolving conflicts to enhance overall efficiency.
- Coordinated release deployments across multiple teams to streamline operations.
Oracle Database Administrator
Tata Consultancy Services (Client: Etihad Etisalat)
Hyderabad
11.2021 - 09.2023
- Managed Oracle GoldenGate replication for partitioned datasets to ensure data integrity.
- Resolved production and replication issues, minimizing downtime and enhancing efficiency.
- Applied patches and executed data migration processes to maintain system performance.
- Implemented RMAN backups and conducted health checks to safeguard data availability.
Oracle Database Administrator
Tata Consultancy Services (Client: Bahrain Telecom)
Hyderabad
08.2021 - 11.2021
- Implemented replication processes between Big Data environments (Kafka and Greenplum).
- Resolved real-time performance issues to enhance system efficiency.
Oracle Database Administrator
Tata Consultancy Services (Client: Saudi Telecom)
Hyderabad
02.2017 - 08.2021
- Installed and configured Oracle GoldenGate (11g-19c) for enhanced data replication.
- Executed replication processes, switchovers, and SQL tuning to optimize performance.
- Installed Real Application Clusters (RAC) and Grid Infrastructure for improved scalability.
- Established disaster recovery solutions, including patching and export/import procedures.
- Automated backup processes and monitoring systems to ensure data integrity.
Oracle Database Administrator
Tech Mahindra (Client: CISCO)
Bangalore
11.2013 - 01.2017
- Installed Oracle 11g/12c RAC and standalone configurations.
- Configured disaster recovery, ASM, and RMAN environments.
- Conducted cloud migrations to enhance system performance.
- Provided 24x7 support and performed root cause analysis.
Education
Bachelor of Technology (B.Tech) - Electronics and Communications Engineering
Jawaharlal Nehru Technological University (JNTU)
Hyderabad01.2013
Skills
- Oracle database management (11g, 12c, 19c) and Oracle GoldenGate
- Linux and HP-UX administration
- IBM AIX expertise
- SQL and PL/SQL development
- SQL Developer and TOAD proficiency
- Oracle Enterprise Manager (OEM)
- Putty terminal usage
- Oracle Cloud Infrastructure (OCI) management
- Microsoft Azure services
Hobbies and Interests
- Playing cricket and football
- Enjoys watching Formula 1 and tennis
- Interested in Netflix documentaries and sitcoms
Personal Information
- Date of Birth: 10/18/92
- Gender: Male
- Nationality: Indian
Timeline
Oracle Database Administrator
Tata Consultancy Services (Client: WTW)
03.2024 - Current
Oracle Database Administrator
Tata Consultancy Services (Client: Vodacom)
09.2023 - 03.2024
Oracle Database Administrator
Tata Consultancy Services (Client: Etihad Etisalat)
11.2021 - 09.2023
Oracle Database Administrator
Tata Consultancy Services (Client: Bahrain Telecom)
08.2021 - 11.2021
Oracle Database Administrator
Tata Consultancy Services (Client: Saudi Telecom)
02.2017 - 08.2021
Oracle Database Administrator
Tech Mahindra (Client: CISCO)
11.2013 - 01.2017
Bachelor of Technology (B.Tech) - Electronics and Communications Engineering
Jawaharlal Nehru Technological University (JNTU)
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