Job Description:

We are seeking a Senior Database Administrator with extensive experience in managing large-scale databases, primarily Oracle 19c and PostgreSQL, and exposure to NoSQL databases such as Cassandra and Elasticsearch. The ideal candidate will play a critical role in maintaining, optimizing, and ensuring the high availability of database systems. This position requires working in a 24/7 rotational shift and the ability to handle shifts independently.

The Senior Database Administrator will work closely with developers, ensuring smooth database operations, optimizing queries, and supporting critical database-related requirements.

Key Responsibilities:

• Database Management:
• Administer, monitor, and maintain large Oracle 19c and PostgreSQL databases.
• Manage database configurations, installations, and upgrades, including Oracle 19c patching and upgrades.
• Ensure optimal performance and scalability of databases through regular performance tuning and troubleshooting.
• NoSQL Exposure:
• Work with NoSQL technologies like Cassandra and Elasticsearch, ensuring smooth operations and efficient data storage/retrieval.
• Performance Tuning and Optimization:
• Perform regular database health checks and proactive tuning.
• Optimize SQL queries, indexes, and database design for performance improvements.
• Backup, Recovery, and High Availability:
• Implement and manage database backup strategies and disaster recovery solutions.
• Ensure high availability of databases in production environments.
• Collaboration with Developers:
• Collaborate with development teams to provide database support for new application features, schema changes, and query optimizations.
• Shift Management:
• Work in a 24/7 rotation schedule, handling shifts as an individual contributor.
• Proactively resolve any database issues during assigned shifts, ensuring minimal downtime.
• Security and Compliance:
• Implement database security best practices, ensuring data integrity and compliance with industry standards.

Skills & Qualifications:

• Experience:
• 3-8 years of hands-on experience managing large databases, primarily Oracle 19c and PostgreSQL.
• Strong knowledge of Oracle 19c database patching, upgrades, and performance tuning.
• Experience with NoSQL databases such as Cassandra and Elasticsearch is highly desirable.
• Technical Skills:
• Expertise in SQL, PL/SQL, and query optimization.
• Experience in database backup, recovery, and high-availability solutions.
• Familiarity with database monitoring tools and automated scripts.
• Problem Solving:
• Strong analytical skills and the ability to troubleshoot complex database issues independently.
• Communication:
• Excellent communication skills to collaborate effectively with cross-functional teams, especially developers.
• Other:
• Comfortable with 24/7 rotational shifts.
• Ability to manage tasks independently and take ownership of database operations during shifts.

Preferred Qualifications:

• Experience with Oracle RAC, Data Guard, and advanced replication technologies.
• Familiarity with database monitoring tools like OEM, pgAdmin, or similar.
• Knowledge of cloud platforms (AWS, Azure, or GCP) and cloud-based databases.