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.

What You’ll Do

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

What We’re Looking For

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

Preferred Qualifications

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!

All 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.

Furthermore, we are committed to providing reasonable accommodation to qualified individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the hiring process. For details regarding how we protect your data, please consult the Amex GBT Recruitment Privacy Statement.

What if I don’t meet every requirement? If you’re passionate about our mission and believe you’d be a phenomenal addition to our team, don’t worry about “checking every box;" please apply anyway. You may be exactly the person we’re looking for!