Cassandra Engineer

Responsibilities

• Execute installation, configuration, and deployment of DSE/Cassandra nodes in multi-data center environments
• 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 tools (Ansible)
• Set up monitoring tools and dashboards for cluster health visibility
• Monitor and maintain existing multi-data center DSE/Cassandra clusters to ensure high availability and performance
• Develop scripts for automated monitoring, alerting, and maintenance activities
• Provide on-call support for critical DSE/Cassandra cluster issues
• Analyze and optimize cluster performance, identify bottlenecks, and implement performance tuning
• Support respective consumers of DSE/Cassandra clusters in their sprint cycles and production releases

Requirements

• 3+ years of hands-on experience with NoSQL databases, specifically Cassandra/Datastax DSE
• 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
• Experience with monitoring and logging tools
• Skilled in Linux/Unix environments and shell scripting
• Self-motivated and highly dependable
• Experience with DSE Search (Solr) and DSE Analytics (Spark) workloads
• Exposure to Apache Solr and Apache Spark technologies
• Experience with cloud environments (AWS) and cloud-native services
• Exposure to AWS Database Services (Aurora, DocumentDB, DynamoDB, Amazon Keyspaces etc)
• Proficiency in scripting languages (Python, Bash)
• Familiarity with automation tools such as Ansible
• Cassandra data modeling expertise and CQL proficiency
• Location
• Bangalore, India
• The #TeamGBT Experience
• Work and life: Find your happy medium at Amex GBT.
• Flexible benefits are tailored to each country and start the day you do. These include health and welfare insurance plans, retirement programs, parental leave, adoption assistance, and wellbeing resources to support you and your immediate family .
• Travel perks: get a choice of deals each week from major travel providers on everything from flights to hotels to cruises and car rentals.
• Develop the skills you want when the time is right for you, with access to over 20,000 courses on our learning platform, leadership courses, and new job openings available to internal candidates first.
• We strive to champion Inclusion in every aspect of our business at Amex GBT. You can connect with colleagues through our global INclusion Groups, centered around common identities or initiatives, to discuss challenges, obstacles, achievements, and drive company awareness and action.
• And much more!
• A ll applicants will receive equal consideration for employment without regard to age, sex, gender (and characteristics related to sex and gender), pregnancy (and related medical conditions), race, color, citizenship, religion, disability, or any other class or characteristic protected by law.
• Click Here for Additional Disclosures in Accordance with the LA County Fair Chance Ordinance.
• What if I don't meet every requirement? If you're passionate about our mission and believe you'd

Benefits

Additional Information

Amex GBT is a place where colleagues find inspiration in travel as a force for good and - through their work - can make an impact on our industry. We're here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued. We are seeking a talented and experienced Cassandra Engineer to join our Technology team. This is a technical role focused on Datastax Enterprise (DSE)/Cassandra cluster administration, platform maintenance, and operational support. This position is structured around defined project deliverables (such as new cluster deployments, version upgrades, performance optimization and automation implementation) while also maintaining continuous operational responsibilities including monitoring, troubleshooting, routine maintenance, and on-call support for critical issues.

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