Database Administrator
BDx Data Centers
6 - 8 years
Mumbai
Posted: 08/01/2026
Job Description
We are seeking a highly skilled MySQL and PostgreSQL Database Administrator having 5 to 6 years of experience to manage, optimize, secure, and support mission-critical on-premise and/or cloud database environments. The DBA will be responsible for installation, configuration, performance tuning, high availability (HA), replication, backup & recovery, writing/optimizing advanced SQL queries and troubleshooting.
The ideal candidate must have strong expertise in MySQL & PostgreSQL internals , replication technologies, and experience supporting production workloads.
Key Responsibilities:
- Installation, Configuration & Upgrades
- Performance Monitoring & Tuning
- Database Migration and upgradation
- High Availability (HA) & Replication
- Backup, Recovery & Disaster Recovery
- Maintenance & Housekeeping
- Write, analyze, and optimize complex SQL queries for OLTP and reporting workloads
- Security & Compliance
- Monitoring & Alerting
- Troubleshooting & Root Cause Analysis
Core Technical Skills:
- PostgreSQL:
- Streaming replication, logical replication, WAL internals
- Autovacuum, bloat management, MVCC internals
- pg_partman, pg_repack, TimescaleDB extensions
- HA solutions: Patroni, repmgr, HAProxy, etcd
- Performance tuning using pg_stat_statements
- MySQL:
- InnoDB engine internals
- Replication (async/semi-sync), GTIDs
- Performance tuning (buffer pool, redo logs, tmp usage)
- MySQL 5.7/8.0 optimizer & indexing strategies
- Troubleshooting deadlocks, long transactions
- Preferred / Nice-to-Have
- Experience with Docker or Kubernetes (StatefulSets)
- Knowledge of Citus, TimescaleDB, pgpool-II
- Familiarity with Cloud DB offerings (AWS RDS, Aurora, Azure PG/MySQL)
- Understanding of CI/CD pipelines
- EDB certification
- ETL development
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