PostgreSQL DBA

PostgreSQL DBA


Experienced Postgres Database Administrator to manage, maintain, and optimize PostgreSQL environments across on-premises and cloud platforms. The ideal candidate will have a strong understanding of PostgreSQL architecture, clustering technologies, and migration strategies, along with hands-on experience in performance tuning, backup/recovery, and disaster recovery procedures.

Key Responsibilities:


Database Administration:
• Install, configure, and maintain PostgreSQL databases in production and non-production environments.
• Perform database refresh activities between environments as required.
• Execute patching and upgrade activities to ensure databases remain secure, stable, and up to date.


Architecture & Performance:
• Demonstrate a good understanding of PostgreSQL database architecture, including memory management, indexing, and query optimization.
• Handle performance issues by analyzing query execution plans, tuning configurations, and implementing best practices.


High Availability & Clustering:
• Implement and manage repmgr cluster technology for high availability and failover.
• Troubleshoot and resolve cluster node failure issues promptly to minimize downtime.


Migration & Cloud Integration:
• Design and execute migration strategies from on-prem to cloud environments.
• Knowledge of Google Cloud Platform (GCP) or Microsoft Azure for database hosting and services is a plus.


Backup & Recovery:
• Proficient in Database Backup, Recovery, and Disaster Recovery procedures, ensuring data integrity and business continuity.
• Implement logical and physical backup strategies using native PostgreSQL tools and third-party solutions.


Replication:
• Configure and manage logical replication for data synchronization across environments.

Required Skills & Qualifications:
• Proven experience as a Postgres Database Administrator in enterprise environments.
• Strong knowledge of PostgreSQL architecture, including WAL, MVCC, and vacuum processes.
• Hands-on experience with repmgr clustering, failover handling, and node recovery.
• Expertise in performance tuning, query optimization, and troubleshooting.
• Experience with migration strategies from on-premises to cloud platforms.
• Familiarity with Oracle DBA, RMAN, Goldengate, Exadata.
• Proficiency in backup, recovery, and disaster recovery planning.
• Working knowledge of logical replication and streaming replication.
• Excellent problem-solving and communication skills.

Preferred Qualifications:
• Experience with automation tools (Ansible, Terraform) for database deployments.
• Knowledge of monitoring tools like pgAdmin, Prometheus, or Grafana.
• Scripting skills in Shell, Python, or similar for automation.