Cassandra Admin DBA Professionals

• Work Model: Work from Office
• Candidate Expectations
• Total Experience and Relevant Experience: 3+ Years
• Candidate Location: Bangalore

Skills Mandatory:

• Cassandra database administration, Troubleshooting, Linux/Unix administration and shell scripting
• Candidate Industry: IT Services / Product Engineering / Cloud and Infrastructure Services / Database Operations.

Education and Certification

Qualification:

• Bachelor's degree in Computer Science, Information Technology, or a related discipline, as per client policy.

Role Overview:

• The Cassandra Admin DBA will be responsible for managing, maintaining, monitoring, and optimizing Apache Cassandra database environments.
• The role involves ensuring high availability, scalability, performance, data consistency, security, and reliability of database clusters supporting business-critical applications.

Key Responsibilities:

• Database Administration: Install, configure, administer, and maintain Apache Cassandra clusters across development, testing, staging, and production environments.
• Cluster Management: Manage node additions and removals, cluster expansion, data distribution, replication strategies, and cluster health.
• Performance Optimization: Monitor database performance, analyze latency and throughput, identify bottlenecks, and optimize queries, data models, compaction, and resource utilization.
• Backup and Recovery: Implement and manage backup, restoration, and disaster recovery procedures; regularly validate recovery readiness.
• Monitoring and Troubleshooting: Monitor cluster health, logs, disk utilization, CPU, memory, read/write latency, and other performance indicators; troubleshoot database issues and perform root-cause analysis.
• High Availability: Maintain fault-tolerant database environments and support availability, replication, and recovery requirements.
• Security and Access Management: Implement authentication, authorization, role-based access controls, encryption, and database security best practices.
• Data Replication and Consistency: Manage replication factors, consistency levels, and data repair operations to maintain data integrity across nodes and data centres.
• Maintenance and Upgrades: Perform patching, version upgrades, configuration changes, and routine maintenance while minimizing application downtime.
• Linux and Scripting: Use Linux/Unix commands and shell scripts to automate database administration, monitoring, and operational tasks.
• Capacity Planning: Forecast storage and infrastructure requirements based on data growth, workload patterns, and application demands.
• Incident and Change Management: Handle production incidents, participate in on-call support where required, document resolutions, and follow change-management procedures.
• Documentation and Collaboration: Maintain operational runbooks, database configurations, incident reports, and standard operating procedures; coordinate with application, DevOps, infrastructure, and engineering teams.

Key Deliverables:

• Stable, reliable, and highly available Cassandra clusters.
• Improved database performance and operational efficiency.
• Effective backup, recovery, and disaster recovery readiness.
• Timely resolution of database incidents and performance issues.
• Accurate documentation and adherence to database security standards.

Key Skills

• Mandatory Key Skills: Apache Cassandra, Cassandra Cluster Administration, Cassandra Architecture, CQL (Cassandra Query Language), Data Modelling, Cluster Installation and Configuration
• Good to Have Skills: Data Modelling, Cluster Installation and Configuration, Shell Scripting and Automation, Database Security