DBA Intern
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Key skills for this role
About the Role
What you will do This is not a helper or shadow-only role. Interns work on real production tasks under senior review. Investigate slow queries on PostgreSQL read execution plans.
Key Skills for This Role
Responsibilities
- Investigate slow queries on PostgreSQL read execution plans, analyze query statistics, propose index changes or query rewrites, and validate impact on staging
- Review DDL/DML change requests from product teams: lock implications, backfill safety, rollout strategy, rollback plan
- Help maintain backup and point in time recovery procedures; participate in restore drills
- Contribute to replication operations streaming replicas, promotion runbooks, replica lag investigations, connection pool tuning
- Support live database migrations and cross cluster cutovers: pre cutover validation, monitoring during cutover, post cutover checks
- Help operate data migration tooling: review deployments, manage migration batches under senior approval, monitor migration metrics
- Triage capacity and resource issues: bloat, autovacuum tuning, partition maintenance, IOPS planning
- Build and refine observability dashboards, monitors, query stats, wait event analysis, replication lag tracking
- Maintain operational runbooks, SOPs, and post incident write ups
- Support secure data handling reviews together with security and risk teams (PII fields, encryption at rest, role based access)
- Participate in on call shadowing alongside senior engineers
Requirements
- Interest in database administration and PostgreSQL
- Ability to work on real production tasks under senior review
Full Job Posting
What you will do
- This is not a helper or shadow only role. Interns work on real production tasks under senior review.
Responsibilities
- Investigate slow queries on PostgreSQL read execution plans, analyze query statistics, propose index changes or query rewrites, and validate impact on staging
- Review DDL/DML change requests from product teams: lock implications, backfill safety, rollout strategy, rollback plan
- Help maintain backup and point in time recovery procedures; participate in restore drills
- Contribute to replication operations streaming replicas, promotion runbooks, replica lag investigations, connection pool tuning
- Support live database migrations and cross cluster cutovers: pre cutover validation, monitoring during cutover, post cutover checks
- Help operate data migration tooling: review deployments, manage migration batches under senior approval, monitor migration metrics
- Triage capacity and resource issues: bloat, autovacuum tuning, partition maintenance, IOPS planning
- Build and refine observability dashboards, monitors, query stats, wait event analysis, replication lag tracking
- Maintain operational runbooks, SOPs, and post incident write ups
- Support secure data handling reviews together with security and risk teams (PII fields, encryption at rest, role based access)
- Participate in on call shadowing alongside senior engineers
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