Senior Database Systems Architect

1 week ago


Mumbai, Maharashtra, India Jio Full time

At Jio, we are seeking a seasoned Senior Database Systems Architect to play a critical role in maintaining, optimizing, and ensuring the high availability of our large-scale database systems.

Job Description:

We are looking for an expert in managing Oracle 19c and PostgreSQL databases, with experience working with NoSQL databases such as Cassandra and Elasticsearch. The ideal candidate will have strong knowledge of database performance tuning, backup and recovery strategies, and high-availability solutions.

The successful candidate will work closely with developers to ensure smooth database operations, optimize queries, and support critical database-related requirements. They will also be responsible for implementing and managing database security best practices, ensuring data integrity and compliance with industry standards.

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

Requirements:
  • 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

Estimated Salary: $120,000 - $180,000 per year



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