MONGO DB DBA

Description: • Should have good experience in managing mongodb cluster (cluster with more than 20 shards or dealing with at least 10TB of data) • Should have experience in automating upgrading / installing mongodb across multiple shards • Should be able to manage cluster preferably without using ops manager (Includes backups, restore replication, scaling cluster etc.) • Knowledge of mongo queries for analyzing slow queries and providing suggestions • Should know to use tools for monitoring resource usage in the cluster • Preferable to have basic shell scripting skills • Experience in Privileged Access Management - authentication mechanisms like LDAP, Hashi corp, Active Directory • Implement appropriate indexes for performance improvement. • Fine-tune configurations – MongoDB and servers for performance improvement. • Implement optimal backup and recovery. • Understand and optimize query performance. Create and publish database health checks to monitoring systems for the following:   • Identify slow queries • Replication lags                                 • Node failures • Index usage patterns • CPU usage • Memory usage • Locks • Number of connections • Any other relevant params • Evaluate, plan and perform Maintenance – during release/outage etc • Implementing best practices for backups, replication, and health checks. • Database hardening – implement best practices. • Design and implement DR plans & HA solutions and recommendations. • Work closely with the application team to understand what changes are coming in a build/patch/hotfix, do an impact analysis, fine-tune the queries if any. • Automate the process of deploying DB changes so that we can support this for a new build/patch/hotfix. • Act as an application DB during the design process • Disaster Recovery and Business Continuity experience