Senior DBA

Senior DBA

What You'll Do:
• Lead and execute major PostgreSQL and AWS RDS database version upgrades.
• Develop and maintain detailed upgrade plans, rollback procedures, and operational runbook.
• Perform pre- and post-upgrade database health checks, validation, and performance benchmark.
• Monitor, tune, and optimize database performance during and after migration.
• Collaborate with application, infrastructure, and DevOps teams to coordinate upgrade activities.
• Schedule and execute critical tasks during designated low-traffic maintenance windows.
• Document all procedures, configurations, and changes in a clear, auditable manner.
• Write and maintain Bash scripts to automate routine DBA tasks and upgrade steps.
• Manage version-controlled scripts, runbook, and configs using GitHub.

What You'll Need:
• 5+ years of hands-on DBA experience with PostgreSQL in production environments.
• Strong experience with AWS RDS (PostgreSQL engine) and related services (RDS Proxy, Parameter Groups, CloudWatch, Snapshots, Multi-AZ).
• Proven track record of managing major database version upgrades with minimal disruption.
• Proficiency in query optimization, indexing strategies, vacuum/analyze tuning, and connection management.
• Experience with database backup, recovery, and point-in-time restore procedures.
• Solid understanding of high availability and disaster recovery configurations.
• Strong communication skills and ability to work within a distributed remote team.
• Experience with AWS Aurora PostgreSQL.
• Familiarity with Terraform or CloudFormation for infrastructure provisioning.
• Experience with database monitoring tools (e.g., pgBadger, Datadog, CloudWatch Insights).
• Knowledge of p glogical, logical replication, or blue-green deployment strategies.
• AWS certifications (e.g., AWS Certified Database – Specialty)