▷ [3 Days Left] Senior Database Administrator (Oracle PostgreSQL)

1 week ago

Bengaluru, India ZeroNoticePeriod Full time
Oracle Database Administration

- Install, configure, and maintain Oracle databases (19c) in AWS.- Leverage AWS services like RDS, EC2, EFS, and S3 for Oracle database management.- Design and implement Oracle database solutions in AWS cloud, ensuring high availability and disaster recovery using AWS native tools like RDS Multi-AZ, Snapshot replication, EC2 with Data Guard, Oracle RAC on AWS, etc.- Monitor Oracle database performance using AWS tools like CloudWatch and AWS Performance Insights.- Manage backup and recovery strategies using AWS Backup, S3, and Oracle RMAN.- Perform Oracle database migration to AWS using AWS Database Migration Service (DMS) or other migration tools.- Implement security best practices for Oracle on AWS, including encryption, access controls, and auditing.- Collaborate with development teams to optimize SQL queries and PL/SQL code in cloud environments.- Analyse Oracle workloads, usage patterns, and resource consumption using AWS Cost Explorer, AWS Budgets, and other cost management tools.- Implement monitoring and reporting systems to track resource usage and costs.- Provide recommendations for optimizing infrastructure costs, including scaling resources, usage optimization, and rightsizing Oracle environments.

- PostgreSQL Database Administration- Install, configure, and maintain PostgreSQL databases (latest versions).- Implement backup, restore, and disaster recovery strategies for PostgreSQL.- Monitor and tune PostgreSQL databases to optimize performance and resource usage.- Handle replication, including streaming replication, and clustering for PostgreSQL.- Write and maintain SQL queries, procedures, and functions for optimal performance.- Work on PostgreSQL extensions and third-party tools like pgPool, pgAdmin, and more.- Administer Azure PostgreSQL Flexi Server environments, ensuring scalability, security, and performance.

Additional Responsibilities:

- Ensure database availability, scalability, and performance for both Oracle and PostgreSQL environments.- Manage database security, including user management, role-based access, and encryption.- Prepare and maintain documentation of database configurations, procedures, and processes.- Participate in on-call rotation for database support and handle escalated issues promptly.- Perform capacity planning and provide recommendations on database infrastructure enhancements.- Conduct regular database audits and health checks.

Must have Skills.

- Bachelors degree in computer science, Information Technology, or a related field.- 7+ years of experience as a Database Administrator with a focus on Oracle and PostgreSQL.- Oracle Expertise:- Proficiency in Oracle versions (19c).- Experience with Oracle RAC, ASM, and Data Guard.- Strong knowledge of RMAN, PL/SQL, and Oracle performance tuning.- PostgreSQL Expertise:- Solid understanding of PostgreSQL versions 14.x, 15.x, 16.x.- Hands-on experience with replication and clustering.- Expertise in tuning and optimizing PostgreSQL databases.- Experience in database automation using scripts or tools like Ansible, Shell scripting, etc.- Strong knowledge of database security, encryption, and access controls.- Familiarity with cloud databases and environments (AWS RDS, Azure Database, etc.) is a plus.- Ability to work in a 24x7 production environment, including being on-call when necessary.- Excellent troubleshooting skills, with the ability to identify and resolve complex database issues.

Preferred Qualifications:

- Oracle Certified Professional (OCP) or Oracle Certified Master (OCM) certification.- PostgreSQL certifications such as Certified PostgreSQL DBA.- Experience with database monitoring tools such as Data dog.

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