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Senior Oracle Database Administrator

Summary

Maintain and optimize enterprise Oracle, SQL Server, MySQL, and Exadata databases, ensuring high availability, security, and performance for critical business systems.

About the Role

We are seeking a highly skilled Database Expert to manage, optimize, secure, and maintain mission-critical enterprise database environments. The ideal candidate will have extensive experience across multiple database technologies, including Oracle, Microsoft SQL Server, MySQL, Sybase, and Exadata, with a strong focus on performance tuning, high availability, disaster recovery, and database security.

You will play a key role in ensuring database reliability, scalability, and operational excellence while supporting critical business applications and services.

Key Responsibilities

Database Administration & Operations

  • Manage and maintain enterprise database environments, ensuring high performance, availability, and security.
  • Monitor database health, capacity, and performance, proactively identifying and resolving issues.
  • Implement backup, recovery, and disaster recovery solutions to ensure business continuity.
  • Perform database upgrades, patching, migrations, and configuration changes.
  • Develop automation s and tools to improve operational efficiency and reduce manual effort.

Performance & Optimization

  • Analyze and resolve database bottlenecks and performance issues.
  • Optimize SQL queries, indexing strategies, database configurations, and resource utilization.
  • Conduct capacity planning and performance tuning across large-scale database environments.

Security & Governance

  • Implement database security best practices, including access controls, encryption, auditing, and compliance requirements.
  • Manage user access, privileges, and role-based access controls (RBAC).
  • Identify database risks and propose mitigation strategies to protect critical business data.

High Availability & Disaster Recovery

  • Design, implement, and maintain highly available database architectures.
  • Manage replication, clustering, failover, and disaster recovery solutions.
  • Conduct backup validation and disaster recovery testing activities.

Change & Release Management

  • Support database deployments, upgrades, and infrastructure changes.
  • Develop and validate database change s and rollback procedures.
  • Ensure all changes comply with organizational change management and governance standards.

Required Technical Expertise

Oracle Database

  • Oracle Database Administration
  • RMAN Backup & Recovery
  • Data Guard
  • RAC
  • Performance Tuning & SQL Optimization
  • Security, Auditing & Access Management
  • Partitioning & Advanced Database Features

Oracle Exadata

  • Exadata Architecture & Operations
  • Storage Cell Management
  • Performance Optimization
  • In-Memory Technologies
  • Exadata Monitoring & Troubleshooting

Microsoft SQL Server

  • Always On Availability Groups
  • Failover Clustering
  • Performance Tuning
  • Backup & Recovery
  • Replication
  • Security & Encryption

MySQL

  • Performance Optimization
  • Replication (Master-Slave / Multi-Master)
  • Backup & Recovery
  • Partitioning & Stored Procedures
  • Database Security

Additional Advantage

  • Experience with Sybase Database Administration
  • ing and automation using Shell, PowerShell, Python, or Ansible
  • Experience in enterprise-scale environments supporting critical business applications

Preferred Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • 10+ years of experience in Database Administration and Operations.
  • Relevant certifications such as:
  • Oracle Certified Professional (OCP)
  • Oracle Exadata Certification
  • Microsoft Certified: SQL Server
  • MySQL Database Administrator Certification

See also

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