Lead Database Administrator

5 days ago

Mumbai, India Simple Logic IT Private Limited Full time

Dear Candidate,

Kindly find the Job Description below for your reference.

Job Title: Lead Database Administrator

Location: Vikhroli, Mumbai (all areas) & Navi Mumbai

Required Skills & Experience: PostgreSQL DBA (Level 3)

- 7+ years of hands-on PostgreSQL DBA experience in production environments.
- Deep knowledge of PostgreSQL internals, architecture, and tuning.
- Proven experience with pgBackRest, Barman, pg_basebackup, pg_dump.
- Strong expertise with HA and replication solutions (Patroni, repmgr).
- Hands-on experience with PITR, disaster recovery, and cluster rebuilds.
- Proficiency in Linux/Unix environments, shell scripting, and automation.
- Solid understanding of database security and compliance best practices.
- Excellent troubleshooting skills and experience handling critical incidents.
- Monitor and optimize performance, tune queries and indexes, manage vacuuming and bloat, implement pooling (PgBouncer), and maintain robust monitoring and alerts.
- Diagnose and recover from cluster corruption using advanced tools and procedures, leveraging backups and replicas to ensure business continuity.
- Plan and execute major upgrades (pg_upgrade, logical replication), cross-version and cross-platform migrations (on-prem ↔ cloud), ensuring minimal downtime and data integrity.
- Strong hands-on experience with AWS PostgreSQL services like RDS and Aurora, including parameter groups, snapshot management, performance insights, and multi-AZ failover.
- Experience with monitoring tools (Prometheus, Grafana, or similar) is a plus.
- Good communication skills and ability to work collaboratively in a 24x7 production support environment.
- Experience with logical replication and foreign data wrappers.
- Familiarity with cloud-managed PostgreSQL services.
- Familiarity with connection pooling and proxy tools (PgBouncer, HAProxy).
- Maintain SOPs, runbooks, and knowledge base articles.
- Automate routine tasks and checks using scripts or scheduling tools (cron, pg_cron).
- Mentor junior DBAs and conduct knowledge-sharing sessions.

MySQL DBA Responsibilities (Secondary):

- Good knowledge of MySQL architecture and installation.
- Perform MySQL backup and restore operations.
- Manage MySQL users, roles, and permissions.
- Setup and troubleshoot MySQL replication.

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