Senior Oracle DBA

Your Team Responsibilities

At MSCI, data is at the core of everything we do. We are looking for a Senior Oracle Database Administrator (DBA) to support and modernize our mission-critical enterprise databases that power global financial products and analytics.

This role requires deep expertise in Oracle DBA administration, performance tuning, high availability, disaster recovery, OCI Cloud, large-scale project implementations, migrations, upgrades, and modernization initiatives and strong ownership of database operations, with readiness to support cloud and AI-driven transformation initiatives.

Your Key Responsibilities

Database Administration & Operations

• Perform end-to-end Oracle DBA administration including installation, configuration, upgrades, patching, and decommissioning.
• Manage production, non-production, and DR environments with high availability and performance.
• Handle database operations, monitoring, and 24x7 operational support as required.
• Ensure database security, compliance, and best practices.

Performance Tuning & Troubleshooting

• Perform advanced performance tuning using AWR, ASH, SQL Trace, and OEM.
• Analyze execution plans, identify bottlenecks, and implement plan stability techniques.
• Develop and maintain performance tuning scripts and automation.
• Proactively troubleshoot database issues and provide root cause analysis (RCA).

High Availability & Disaster Recovery

• Design, implement, and support Oracle Data Guard (Physical & Logical Standby).
• Perform switchover/failover operations and DR drills.
• Manage RMAN backups, recovery, and restore strategies.
• Ensure RPO/RTO compliance and DR readiness.

Cloud & Modernization

• Administer Oracle databases on OCI (Oracle Cloud Infrastructure)
• Support on-prem to cloud migrations, hybrid environments, and cloud-native architectures.
• Optimize database performance and cost in OCI environments.
• Collaborate on database modernization and AI transformation initiatives.

Security & Advanced Features

• Implement and manage Transparent Data Encryption (TDE).
• Utilize Advanced Compression and other Oracle features for performance and storage optimization.
• Apply database security patches and vulnerability remediation.

Project Implementation & Migration

• Support database projects including:
  • New database implementations
  • Version upgrades
  • Platform migrations
  • Consolidation initiatives
• Work closely with application teams, infrastructure, and cloud teams during project execution.
• Provide technical documentation and knowledge transfer.

Your skills and experience that will help you excel

Technical Skills

• Strong expertise in Oracle Database Administration (12c,19c and above).
• Hands-on experience with:
  • Performance tuning (AWR, ASH, SQL tuning)
  • Oracle Data Guard & Standby
  • RMAN backup and recovery
  • OCI Cloud
  • TDE and database security
  • Database migration and upgrades
• Experience in scripting (Shell, SQL, PL/SQL) for automation and monitoring.
• Strong knowledge of patching strategies and lifecycle management.

Soft Skills

• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management.
• Ability to lead critical incidents and mentor junior DBAs.
• Proactive mindset with a focus on continuous improvement.

Preferred Qualifications

• Oracle Certifications (OCA / OCP / Cloud Certification).
• Experience with Automation, and infrastructure as code.
• Exposure to AI/ML platforms, autonomous databases, or AI-enabled monitoring tools.
• Experience in regulated or large enterprise environments.