Managed SAP BASIS system administration, including system monitoring, performance tuning, and kernel updates, ensuring optimal system performance and availability.Conducted PI/PO monitoring, managed SAP system start/stop procedures, and performed backups by executing custom scripts, safeguarding system integrity.Proficient in user administration, transport management, and HANA DB monitoring, along with spool administration to streamline operations.Raised and managed OSS cases, established secure connections to SAP support, and applied SAP Notes to address critical issues effectively.Resolved complex system issues, such as database performance bottlenecks and system downtime, by leveraging advanced troubleshooting techniques.Ensured seamless operations by performing system backups and supporting cross-functional teams in critical system recovery scenarios.