Mohammad A

Senior Oracle DBA

Indium is an AI Services Company • Vollzeit

Jul 2026 - Present • 4 mos

• Cloud & Infrastructure Management: Administer 4 enterprise Oracle Exadata systems hosted on Oracle Database@Azure, maintaining high availability, RAC cluster performance, and optimal ASM storage for mission-critical health financial systems. • Disaster Recovery & High Availability: Architect and manage multi-region Oracle Active Data Guard configurations across Azure regions, ensuring minimal latency, zero-data-loss recovery point objectives (RPO), and rapid failover/switchover capabilities. • Non-Production Environment Optimization: Implement and manage Exadata Sparse Clones and Snapshots, reducing non-production storage consumption by up to 80% while enabling rapid database refresh cycles for Dev/Test/QA teams. • Exadata Performance Tuning: Optimize complex SQL queries and database workloads by leveraging Exadata-native features, including Smart Scans, Storage Indexes, and Smart Flash Cache. • Automation & Maintenance: Streamline database patching (RU/GI updates), backup/recovery procedures via RMAN, and monitoring using OCI performance Hub and Dynatrace. • Security & Compliance: Enforce database security standards, Transparent Data Encryption (TDE), and Role-Based Access Controls (RBAC) to protect sensitive healthcare financial data in compliance with regulatory standards.

Senior Database Administrator and Data Engineer

National Bank • Vollzeit

Oct 2020 - Jun 2026 • 5 yrs 8 mos

• Infrastructure Design: Architected and deployed the core infrastructure for the Enterprise Data Warehouse (EDW) utilizing Oracle Exadata X8M and X9M platforms. • Performance Optimization: Streamlined complex data pipelines and optimized SQL execution, resulting in a 40% increase in processing throughput and a significant reduction in batch latencies. • High Availability & DR: Designed, tested, and maintained robust disaster recovery and high-availability architectures using Oracle RAC and Data Guard across production environments. • Automation & Observability: Developed custom Python and Bash scripts to automate routine database monitoring, backup validations, and diagnostics ; built real-time visual dashboards using Prometheus and Grafana. • Lifecycle Management: Orchestrated end-to-end patch planning, testing, and execution for complex database environments across production, development, and testing zones

Senior DBA and Data Engineer

RealSoft • Vollzeit

Jun 2016 - Sep 2020 • 4 yrs 3 mos

• Large-Scale Migration: Directed the successful migration of a 53 TB enterprise data warehouse from Exadata V2 to X4 hardware, maintaining strict data integrity and achieving near-zero business downtime. • Data Integration: Engineered scalable ETL pipelines using Sqoop to consolidate massive datasets from 6 distinct government agencies into a centralized Hive data warehouse. • Data Modeling: Designed robust data models and integration workflows supporting large-scale national statistical surveys and analytics systems.