Database Manager jobs in United States

A Cloudera Administrator managing and maintaining Cloudera's big data platform, ensuring optimal performance, security, and scalability of Hadoop-based systems.

1. Role Management
   • Balancer: Balances data blocks across nodes.
   • DataNode: Manages storage and retrieval of data blocks.
   • NameNode: Manages metadata and namespace for HDFS.
   • SecondaryNameNode: Periodically merges namespace image with edit logs.
2. Monitoring and Performance Tuning
   • Use Cloudera Manager to monitor cluster health, resource usage, and service performance.
   • Tune configurations for optimal performance and resource utilization.
   • Set up alerts and dashboards for proactive issue detection.
3. Security and Access Control
   • Implement authentication and authorization using LDAP / Active Directory.
   • Manage user roles and permissions across Cloudera services.
   • Ensure data encryption and secure communication between nodes.
4. Disaster Recovery
5. Troubleshooting and Support
   • Diagnose and resolve issues related to service failures, performance bottlenecks, and data inconsistencies.
   • Work with Cloudera support and internal teams to escalate and resolve complex problems.
6. Upgrades and Patching
   • Plan and execute upgrades of Cloudera Manager and cluster components.
   • Apply patches and hotfixes as needed to maintain system stability and security.
7. Documentation and Compliance
   • Maintain detailed documentation of cluster architecture, configurations, and operational procedures.
   • Ensure compliance with organizational and regulatory standards for data management.

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