ZeroNoticePeriod | Senior Database Administrator

2 weeks ago

bangalore, 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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