Cassandra Admin DBA - Bangalore

Location: Bengaluru   •   Experience: Mid Level   •   Openings: 1
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Job description

1. Job Details
Job Title: Cassandra Administrator / Database Administrator (Cassandra Admin DBA)
Job Location: Bangalore
Work Model: Work from Office
2. 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.
3. Education and Certification
Qualification:
Bachelor's degree in Computer Science, Information Technology, or a related discipline, as per client policy..
4. Detailed Job Description
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.
5. 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