American Express Global Business Travel

Senior Engineer – Cassandra

American Express Global Business Travel

full-time

Posted on:

Location Type: Office

Location: Bangalore • India

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Job Level

Senior

Tech Stack

ApacheCassandraLinuxNoSQLPythonShell ScriptingUnix

About the role

  • Design and build new multi-data centre DSE/Cassandra clusters to meet business requirements
  • Plan and Execute installation, configuration, and deployment of DSE/Cassandra nodes in multi-data centre environments
  • Evaluate and re-architect existing multi-data centre cluster setups
  • Perform DSE Cluster & Apache Cassandra Cluster Administration tasks
  • Configure and fine tune clusters for optimal performance (replication strategies, partitioning, consistency levels, compaction settings)
  • Perform and support Datastax (DSE) / Apache Cassandra patch upgrades and major/minor version upgrades with minimal downtime
  • Support the NoSQL DB platform during infrastructure activities (OS upgrades, hardware upgrades, compliance-related fixes)
  • Perform routine maintenance tasks and automate operations using scripting languages (Python, Bash) and configuration management
  • Monitor and maintain existing multi-data centre DSE/Cassandra clusters to ensure high availability and performance
  • Develop scripts for automated monitoring, alerting, and maintenance activities
  • Troubleshoot and resolve DSE/Cassandra cluster issues and performance problems
  • Provide on-call support for critical DSE/Cassandra cluster issues

Requirements

  • 5+ years of hands-on experience with NoSQL databases, specifically Cassandra/Datastax DSE
  • Proven track record in database administration and operational support roles
  • Expert-level understanding of Datastax Enterprise (DSE)/Cassandra architecture, data replication strategies, consistency levels, compaction strategies etc
  • Proficiency in DSE Cassandra cluster administration, management, and configuration
  • Experience with Datastax Enterprise (DSE)/Cassandra patch upgrades and major/minor version upgrades
  • Advanced performance tuning and optimization capabilities
  • Cassandra data-modeling expertise and CQL proficiency
  • Experience with monitoring and logging tools
  • Skilled in Linux/Unix environments and shell scripting
Benefits
  • health and welfare insurance plans
  • retirement programs
  • parental leave
  • adoption assistance
  • wellbeing resources to support you and your immediate family
  • access to over 20,000 courses on our learning platform
Applicant Tracking System Keywords

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Hard Skills & Tools
DSECassandraNoSQL databasesdatabase administrationperformance tuningdata modelingCQLscripting languagesLinuxUnix