Tauseef Ali Khan

Delivering strategic global support and technical leadership across Oracle RAC, Exadata (on-prem),
Exadata Cloud@Customer (ExaCC), Exadata Cloud Service (ExaCS), ODA, and Exascale cloud platforms,
ensuring stability of mission-critical enterprise environments.
Orchestrating rapid recovery of critical production outages, consistently restoring services within
stringent SLA timelines while minimizing business impact.
Partnering with Oracle engineering and development teams to resolve complex, code-level database
and Grid Infrastructure issues, contributing to product fixes, patching strategies, and release lifecycle
improvements.
Providing deep technical expertise across end-to-end Exadata architecture, including database/GI stack,
storage cells, and InfiniBand networks, driving measurable improvements in system performance and
reliability.
Leading advanced I/O performance diagnostics and optimization, leveraging Exadata cell metrics,
sundiag, and ILOM insights to identify bottlenecks and implement targeted enhancements.
Conducting comprehensive performance engineering and capacity analysis using AWR, ExaWatcher,
and system-level metrics (I/O, CPU, TFA), delivering actionable recommendations that optimize
workload efficiency.
Driving enterprise incident management and root cause governance for Sev-1 issues, reducing mean
time to resolution (MTTR) by 30-35% and implementing permanent fixes to prevent recurrence.
Performed Exadata infrastructure upgrades, including storage cells, compute nodes, and firmware,
ensuring seamless transitions with minimal downtime.
Executed Oracle Database and Grid Infrastructure (GI) upgrades across RAC environments, ensuring
seamless transitions, high availability, and minimal downtime.
Spearheading cross-region incident response coordination, collaborating with global stakeholders to
ensure seamless resolution of complex, multi-datacenter outages. \[IMAGE\] \[IMAGE\]

Led administration of large-scale Oracle Exadata platforms (X8M to X4-2) supporting high-volume telecom workloads, ensuring robust performance, scalability, and operational resilience.
Engineered and sustained high availability architecture leveraging RAC and Data Guard, consistently delivering 99.9% system uptime for mission-critical environments.
Architected and implemented real-time data replication solutions using Oracle GoldenGate, enabling seamless data synchronization and supporting business continuity requirements.
Drove advanced database performance engineering initiatives, utilizing AWR/ASH and SQL/PLSQL tuning techniques to improve batch processing efficiency by up to 40%.
Managed end-to-end Exadata and ZFS storage infrastructure, optimizing system throughput, storage performance, and overall platform reliability.
Executed and led disaster recovery (DR) strategy and drills, ensuring full compliance with defined RTO/RPO objectives for critical business systems.
Championed proactive monitoring and automation frameworks, reducing production incidents by 20-25% and enhancing operational stability.
Directed end-to-end platform maintenance, including patching, firmware upgrades, and hardware lifecycle management (flash/disk replacements), ensuring platform currency and reliability.
Implemented centralized monitoring and observability using Oracle OEM 13c, enabling proactive system health checks and faster incident detection/resolution.
Led critical migration and upgrade initiatives, ensuring zero/near-zero downtime transitions across Exadata versions and database environments.
Established standard operating procedures (SOPs) and runbooks for incident response, improving consistency and reducing resolution time across support teams.
Collaborated with cross-functional teams to optimize end-to-end data pipelines, enhancing throughput and reducing latency for business-critical telecom applications.
Strengthened security and compliance posture by implementing database hardening, access controls, and audit mechanisms aligned with enterprise governance standards.
Drove automation of routine operational tasks (health checks, failover validation, monitoring alerts), improving efficiency and reducing manual intervention.
Partnered with application and business teams to align database performance with business SLAs, ensuring consistent delivery of high-quality service to end users.

Orchestrated high-availability database environments by administering Oracle Real Application Clusters, along with Oracle Data Guard and Oracle GoldenGate, ensuring seamless failover, disaster recovery, and consistent performance across enterprise systems.
Led large-scale database operations, including multi-terabyte backup and recovery using Oracle Recovery Manager, platform migrations, and refresh cycles, while automating deployment and patching through shell scripting to enhance operational efficiency and minimize downtime.
Elevated database security and performance by implementing advanced SQL tuning strategies, strengthening environments with auditing, encryption, and role-based access controls, and driving continuous optimization to support mission-critical workloads.

Established a strong foundation in Oracle Database and Applications DBA by supporting Oracle E-Business Suite environments within 24x7 high-transaction systems, ensuring high availability, stability, and seamless business operations.
Managed end-to-end database lifecycle activities including upgrades, patching, cloning, and backup/recovery using Oracle Recovery Manager while leading single-instance to Oracle Real Application Clusters migrations to enhance scalability, fault tolerance, and resilience.
Improved system reliability and performance by driving SQL optimization initiatives and developing proactive monitoring scripts and alerting mechanisms, significantly reducing downtime and boosting overall application efficiency.