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Database Administrator - MongoDB
Responsibilities
- Participates in application/DB outage incidents to ensure database integrity and
- Defines and maintains database problem reporting, tracking, and resolution procedures.
- Provides proactive input into design issues/constraints, performance tuning, and impact
- Ensure maximum uptime according to the SLA
- Helping team members in case of Issues/Technical Problems
- Research the business needs of our applications and optimize them using MongoDB
Tools / Skills:
- Adding / removing replica and shard nodes in Mongodb Cluster as needed.
- Created Text Index for querying specific documents with string content.
- Good knowledge of a shard key and making sure of even distribution of data across multiple shards.
- Converted replica set to sharded cluster because of data size growth and better query rate planning.
- Configure, manage and troubleshoot MongoDB Sharded cluster
- Configuring MongoDB replica set with members and arbiter
- Configure and monitor MongoDB instances
- Worked on Upgrade/migrations of replicaSet and Sharded cluster from 4.0 to 4.4
- Deploying, migrating data, monitoring, analyzing, and tuning MongoDB.
- In-depth knowledge of Ops Manager and Ops manager Upgrade.
- Knowledge about Groups and Project in Ops Manager
- Knowledge about Authentication and Authorization and X509 authentication
- Should have Configured SSL key files to implement security across all mongod instances.
- Extensive knowledge of Mongo replication architecture and change stream.
- Documenting MongoDB installation, operations, security, auditing multiple environments.
- Troubleshoot any problems that may come up with the database environments: performance issues, replication issues, or operational issues.
- Design and implement HA/DR policies
- Comfortable in using MongoDB tools like, mongostat, mongotop, mongoexport, mongoimport, mongodump, mongorestore etc.
- Should have knowledge about Query plan architecture and performance tuning at host and DB level.
- Establish and maintain backup, restore and recovery processes.
- Implement and maintain MongoDB OPS Manager/Cloud Manager
- Database Security management and User Management
- Knowledge Range based sharding and Hash based sharding/ Indexing
- Migration of Mongo cluster to AWS.
- Knowledge of Linux, Ubuntu system administration skills
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