MongoDB Database Administrator

MongoDB Database Administrator

NYC, NY

Remote- Hybrid (2 days' work from office is mandatory.)

Responsibilities:

MongoDB - CRUD Operations, Document based Data Modeling, Design of Collections and Documents

Experience with physical collection creation, access pattern tuning, sharding implementation, index creation, and debugging query execution to obtain optimum database performance

Excellent understanding of various MongoDB database design patterns and physical architectures for different use cases

Data replication and sharding in a distributed database

Aggregation of data using MapReduce and other batch processing use cases

Experienced in MongoDB Security

Detecting performance problems using Mongo Profiler

Automate routine tasks with your own scripts and open-source tools

Defragmentation

Schema Design working with Application/Development team

Query fine tuning

Shell scripts for Monitoring like 'slow queries', replication lag, nodes fails, disk usage etc.

Backup and restores ( Backups should be automated with shell scripts/Ops Manager)

Database Health check (Complete review of Database slow queries, fragmentation, index usage...etc. )

Index rebuild

Upgrades (Java version, Mongo version,etc)

Maintenance ( Data center outages, etc)

Architecture design as per the Application requirement

Writing best practices documents for sharding, replication for Dev/App teams

Log rotation/ maintenance ( mongos, mongod, config . etc)

Segregation of duties ( User Management designing User roles and responsibilities )

Disk usage, CPU, Memory check Alerting

Database Hardening

Designing DR (Disaster Recovery)/COB ( Continuity of Business) plans as applicable

Database Profiling, Locks, Memory Usage, No of connections, page fault etc.,

Export and Import of Data to and From MongoDB, Run time configuration of MongoDB,

Data Managements in MongoDB Capped Collections Expired data from TTL,

Monitoring of Various issues related with Database,

Monitoring at Server, Database, Collection Level, and Various Monitoring Tools related to MongoDB,

Database software Installation and Configuration in accordance with Client defined standards

Database Migrations and Updates

Application of database patches

Capacity management

Hands on experience in Server Performance tuning and Recommendations

High availability solutions and recommendations

Hands on experience in Root cause analysis for business impacting issues