Cassandra Database Specialist

2 weeks ago

Gurugram Pune, India Sage It Full time ₹ 15,00,000 - ₹ 20,00,000 per year

Job Description Cassandra Database Specialist (Migration & Performance Tuning)

Experience: 6–9 Years

Location: Pune / Gurgaon

Shift: Afternoon Shift (2 PM – 11 PM)

Payroll: Sage IT (On-roll)

Client: Deployed at Client Location (Long-term Project)

Role Overview:

We are looking for a highly skilled Cassandra Database Specialist with strong experience in managing large-scale Cassandra clusters, performance tuning, capacity planning and database migration projects. The role is focused on Cassandra migration from AWS to Azure, configuration of new clusters on Azure VMs, and ensuring high availability for mission critical applications. Exposure to PostgreSQL Flexible Server is a plus, but Cassandra is mandatory.

Key Responsibilities:

  • Administer and manage Cassandra clusters hosted on virtual machines (setup, upgrades, replication tuning, nodetool operations).
  • Lead Cassandra migration projects from AWS to Azure, ensuring zero or minimal downtime.
  • Configure new Cassandra clusters in Azure, with data modeling, keyspace planning and tuning based on throughput needs.
  • Create and implement backup, DR and failover strategies for Cassandra databases.
  • Work on performance tuning (GC tuning, JVM parameters, compaction, read/write latency analysis).
  • Automate cluster provisioning and maintenance using Ansible, Shell scripts, Terraform.
  • Implement monitoring and alerting via Prometheus, Grafana, or other tools for proactive issue detection.
  • Secure Cassandra environments with proper access control, encryption at rest/in-transit, and audit logs.
  • Collaborate with application and DevOps teams to address Cassandra query performance and data consistency issues.
  • Optional: PostgreSQL Flexible Server migration (AWS RDS to Azure) — good to have but not mandatory.

Mandatory Skills (Must Have):

  • Core Cassandra DBA experience (setup, cluster management, node addition, repair, performance tuning)
  • Migration from AWS-hosted Cassandra to Azure-based Cassandra clusters
  • Linux administration and Shell Scripting
  • Performance Tuning & Troubleshooting for high-availability systems
  • Ansible Automation for DB operations

Good to Have:

  • PostgreSQL DBA or Azure PostgreSQL Flexible Server knowledge
  • Terraform, Jenkins, Bash/Python scripting
  • Cloud migrations (RDS to Azure or any cloud DB migration)
  • Azure, AWS or Cassandra certification

Candidate Profile:

  • 6–9 years overall experience with at least 4+ years hands-on with Cassandra.
  • Experience in handling highly available, large-scale Cassandra environments.
  • Strong communication, problem-solving and documentation skills.
  • Capable of acting as SPOC for all Cassandra database operations and stakeholder communication.

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