ABHISHEK B

Experienced Database Administrator with over 3.5 years of hands-on work with Oracle Exadata and ExaCC platforms. Comfortable working with teams to handle day-to-day database tasks and resolve routine issues.

• QFSDP (Quarterly Full Stack Download Patch) for Exadata:

Proficient in applying QFSDP to Exadata systems, ensuring comprehensive patching across the entire stack, including both hardware and software components.

• L1/L2 Database Support:

Managed daily database operations such as ASM disk group management, user access control, Data Guard synchronization checks, and backup policy implementation.

• EXACC/EXACS GEN1/GEN2 Migration:

Expertise in migrating Exadata/EXACC GEN1 systems to EXACC/EXACS GEN2, as well as transitioning from on-premise servers to ExaCC/ExaCS environments.

• Data Guard Creation using Duplicate:

Experienced in creating Data Guard configurations using the duplicate method to ensure database replication and disaster recovery readiness.

• Broadcom: Exadata maintenance activities like Patching, Oracle Grid Infrastructure (RAC/ASM) upgrades, cluster validation, and high-availability assurance with zero or minimal business impact.
• Mass General Brigham(MGB): Migrating Exadata/EXACC GEN1 systems to EXACC/EXACS GEN2, as well as transitioning from on-premise servers to ExaCC/ExaCS environments. Supported end-to-end Exadata and Oracle DB patching.
• Oracle Exadata Patching – Walmart, Exelon, Cencora(AmerisourceBergen) & CSL: Supported end-to-end Exadata and Oracle DB patching (Standalone & RAC), performing pre/post-patch validation, health checks, and troubleshooting to ensure stability with minimal downtime.
• Standard Insurance: Handled L1/L2 Oracle DBA responsibilities with 24×7 operational support for business-critical databases. Managed regular DBA tasks such as monitoring, RMAN backups and recovery, user and privilege administration, tablespace and storage management, performance monitoring, incident resolution, and change implementation. Supported both RAC and standalone databases to maintain availability.
• Axis Bank Ltd: Design and implementation of Near Disaster Recovery (Near-DR) environments, delivering end-to-end Oracle HA solutions including Grid Infrastructure and Database installation, listener and network configuration, and Oracle Data Guard (Physical Standby) architecture. Performed validation, synchronization, and cutover readiness activities to ensure availability and resilience.

• Oracle Database 23ai Administration OCA
• OCI 2023 Foundations OCA
• Oracle Exadata Database Machine X9M OCS

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