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PostgreSQl DBA

4 weeks ago

Chennai, Tamil Nadu, India CMS Computers Full time
Job Description

Job Description

- Install, configure, test, monitor, upgrade, and tune new and existing PostgreSQLdatabases.
- Develop SQL reports that meet client expectations for the application (used by custom application).
- Tuning auto vacuum parameters to ensure up to date table stats and reclaim space consumed by dead tuples.
- Contributed to decreasing need for downtime by developing and improving procedures for automated monitoring and proactive intervention.
- Studied and stayed current on features and functionality of PostgreSQL.
- Proactive managing standby replication methodologies like Streaming replication and hot standby for disaster recovery.
- Scheduling daily Point in time recovery (PITR) to the development environment for proper product testing.
- Proactive in updating the latest security patches to database, which are provided by PostgreSQL open source community.
- Ability to proactively identify, troubleshoot and resolve live database systems issues.
- Knowledge of disaster recovery principles and practices, including planning, testing, backup/restore
- Hands-on experience on database administration, backup recovery and troubleshooting in co-location environments.
- Ability to thrive in a fast-paced, deadline-sensitive environment.
- Responsible for configuring, integrating, and maintaining all Development, QA, Staging and Production PostgreSQL databases within the organization.
- Responsible for all backup, recovery, and upgrading of all of the PostgreSQL databases.
- Experience in code migration, database change management through various stages of development life cycle.
- Providing response for all system / database issues on 24 x 7 schedule responding to critical events and situations outside normal work hours.
- Installing and monitoring PostgreSQL database using the standard monitoring tools like Nagios / relevant tools
- Monitoring the DB growth for every month in DWH databases and planning to implement the table partitioning for better performance.
- Monitoring the bloat repot on every table and performing maintenance with minimal downtime.
- Performing minor and major level upgrades using minimal down by prior testing in test boxes with accurate time notifications.
- Installing and Configuring PostgreSQL from source or packages on Linux machines.
- Experience designing database structures, indexes, views, partitioning.
- Implementing backup and recovery (Logical and Online).
- Setup and maintenance of postgreSql master-slave clusters utilizing streaming replication
- Cross-datacenter disaster recovery and backup architecture
- Performing schema management, database sizing, maintaining privileges.
- Data migration while upgrading database versions.
- Extensive experience with Warm Standby (PostgreSQL 8.x and earlier), and Hot Standby (PostgreSQL 9.x and greater)
- Scheduled maintenance activities to vacuum, analyze to improve the query response time.
- Maintaining custom vacuum strategies at table and db level.