Description

Administer, maintain, and optimize Oracle, MongoDB, and DynamoDB environments for enterprise-scale reliability.

This role is on-site.

Responsibilities

• Administer Oracle, MongoDB, and DynamoDB installations, upgrades, patches, and security policies.
• Design scalable relational and NoSQL architectures, including logical/physical data models and sharding strategies.
• Lead database migrations from legacy platforms, managing schema conversion, data validation, and cutover planning.
• Tune SQL queries, stored procedures, and execution plans to resolve performance bottlenecks.
• Configure High Availability and Disaster Recovery solutions, including Oracle RAC/Data Guard and MongoDB replica sets.

Required Skills

• 10+ years of DBA experience supporting enterprise-scale databases.
• Strong expertise in Oracle Database Administration.
• Strong expertise in MongoDB Administration.
• Hands-on experience with Amazon DynamoDB, including throughput and partition key optimization.
• Proficiency in SQL, PL/SQL, and query optimization.
• Experience with AWS cloud platform and database infrastructure.
• Scripting and automation skills using Python, Shell, or PowerShell.
• Knowledge of indexing, partitioning, clustering, and replication concepts.

Preferred Skills

• Experience with Infrastructure as Code (IaC) and CI/CD integration.
• Knowledge of ETL/data integration processes and migration tools.

Key Skills

Education

Any Graduate