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PostgreSQL DBA

3 months ago

Fort Worth, Texas, United States Cynet Systems Full time
Job Description:
  • In PostgreSQL, a Database Administrator (DBA) is responsible for the installation, configuration, maintenance, and overall management of the PostgreSQL database system.
  • The roles and responsibilities of a PostgreSQL DBA can be categorized into several key areas:
Installation and Configuration:
  • Install PostgreSQL on various platforms.
  • Configure PostgreSQL to meet specific performance and security requirements.
  • Set up and manage configuration files like `` and `
Database Design and Development:
  • Design and create databases and schemas.
  • Create and manage database objects such as tables, indexes, views, and sequences.
  • Implement data integrity and normalization.
User Management and Security:
  • Create and manage database users and roles.
  • Define and enforce database security policies.
  • Manage access controls using GRANT and REVOKE statements.
  • Implement SSL/TLS for secure connections.
Backup and Recover:
  • Develop and implement backup strategies.
  • Perform regular backups of databases.
  • Test and execute recovery procedures.
  • Use tools like `pg_dump`, `pg_restore`, and `pg_basebackup`.
Performance Tuning and Optimization:
  • Monitor database performance and resource utilization.
  • Identify and resolve performance bottlenecks.
  • Optimize queries and database structures.
  • Use tools like `EXPLAIN`, `VACUUM`, and `ANALYZE`.
Maintenance and Upgrades:
  • Perform routine maintenance tasks such as vacuuming, analyzing, and reindexing.
  • Plan and execute database upgrades and patching.
  • Monitor and manage database replication and failover strategies.
Monitoring and Troubleshooting:
  • Monitor database health and respond to alerts.
  • Troubleshoot database issues and errors.
  • Use logging and monitoring tools like `pg_stat_activity`, `pg_stat_replication`, and third-party monitoring solutions.
Data Migration and Replication:
  • Plan and execute data migrations between PostgreSQL instances or from other database systems.
  • Set up and manage replication (e.g., streaming replication, logical replication).
  • Ensure data consistency and availability.
Compliance and Documentation:
  • Ensure compliance with relevant data protection regulations.
  • Maintain thorough documentation of database environments, procedures, and configurations.
  • Keep track of database changes and maintain version control.
Automation and Scripting:
  • Automate routine DBA tasks using scripts and tools.
  • Develop and maintain custom scripts for specific DBA tasks.
  • Use tools like cron jobs for scheduled tasks.
  • A PostgreSQL DBA needs to have a solid understanding of SQL, database design principles, and system administration skills, as well as familiarity with the specific features and tools provided by PostgreSQL.