Oracle Exadata Cloud Engineer

Cognizant is seeking an Oracle Exadata Cloud Engineer to lead the migration, optimization, and ongoing support of Oracle databases and Exadata systems in Oracle Cloud Infrastructure. The role involves collaborating with various teams to ensure the reliability and performance of mission-critical systems.

Responsibilities:

• Lead and support the migration of on‑premise Oracle databases to Oracle Exadata Cloud Service
• Administer, configure, and manage Exadata systems deployed on OCI
• Perform installation, configuration, patching, and lifecycle maintenance of Exadata Cloud Service components
• Monitor system performance and optimize Exadata storage, compute nodes, and networking resources
• Implement high availability, backup, and disaster recovery strategies using OCI tools and best practices
• Troubleshoot and resolve complex database, infrastructure, and performance issues in Exadata environments
• Configure and maintain RAC, ASM, Data Guard, and related Oracle technologies
• Ensure security hardening, access control, and compliance with cloud governance standards
• Automate routine administrative tasks using scripting languages such as Shell, Python, Ansible, or Terraform
• Collaborate with cross‑functional engineering teams to ensure system stability and reliability
• Analyze workload patterns and recommend improvements for capacity planning and cost optimization
• Manage patch cycles, quarterly updates, and infrastructure maintenance tasks
• Document architecture, operational procedures, and cloud best practices
• Drive continuous improvement efforts to enhance performance, resiliency, and operational efficiency
• Perform SQL query optimization using execution plans, indexing strategies, and SQL profiling
• Analyze AWR, ASH, and ADDM reports to identify bottlenecks and propose tuning actions
• Optimize SGA, PGA, buffer cache, and other memory structures for peak database performance
• Tune Oracle RAC environments to improve load balancing, cluster communication, and system stability
• Implement proactive performance monitoring and capacity planning to maintain optimal throughput

Requirements:

• Proven experience managing Oracle Exadata systems and cloud infrastructure
• Strong expertise in ANSI SQL, including performance tuning, profiling, and optimization
• Hands‑on experience with Oracle RAC, ASM, Data Guard, and related database technologies
• Experience supporting migrations to Oracle Exadata Cloud Service or OCI
• Proficiency with scripting (Shell, Python, Ansible, Terraform) for automation
• Strong troubleshooting skills for database, infrastructure, and performance‑related issues
• Experience with performance analysis using AWR, ASH, and ADDM reports
• Knowledge of high availability, backup, and disaster recovery best practices
• Strong communication skills and ability to collaborate with cross‑functional teams
• Experience documenting technical procedures, workflows, and architectures
• Experience optimizing Oracle RAC environments for high throughput workloads
• Experience with OCI cloud architecture, governance, and security frameworks
• Background supporting large‑scale, mission‑critical Exadata environments
• Knowledge of capacity planning, cost optimization, and cloud performance strategies
• Strong ownership mindset with the ability to work independently in a fast‑paced environment