01Overview
Job Role: Database Administrator (Postgresql & MongoDB)
Experience: 8 Years
Location: Gurgaon Only
Required Qualifications:
- 8+ years of hands-on experience as a Database Administrator in production environments
- Strong operational expertise with PostgreSQL (version 10+) administration, replication, tuning, HA, backups
- Strong operational expertise with MongoDB (version 5+) replica sets, sharding, tuning, backups, administration
- Proficiency in writing and analyzing complex SQL queries and MongoDB aggregation pipelines
- Deep understanding of database internals storage engines, WAL/journaling, MVCC, indexing, buffer management
- Experience with database monitoring and alerting tools (pgAdmin, pg_stat_statements, MongoDB Compass, Datadog, Prometheus, Grafana)
- Hands-on experience with backup, restore, and disaster recovery procedures
- Strong Linux/Unix administration skills and shell scripting (Bash, Python)
- Familiarity with infrastructure-as-code (Terraform, Ansible) and container orchestration (Docker, Kubernetes)
- Experience managing databases in cloud environments (AWS, Azure, GCP)
- Strong troubleshooting skills with the ability to diagnose and resolve issues under pressure
- Excellent communication skills for cross-functional collaboration and stakeholder reporting
- Experience with PostgreSQL HA tools Patroni, pgpool-II, repmgr, Barman, pgBackRest, logical replication
- MongoDB sharded cluster design, resharding, and chunk migration experience
- Experience with cloud-managed databases AWS RDS/DocumentDB, Azure Cosmos DB, Azure SQL, GCP Cloud SQL/AlloyDB
- Familiarity with database migration tools (pgLoader, mongorestore, AWS DMS)
- Experience with connection poolers (PgBouncer, mongos)
- Relevant certifications (MongoDB Certified DBA, PostgreSQL certifications, AWS/Azure database specialties) .
