Cassandra - Senior Lead DBA
Job Summary
Job Description
Paytm is seeking a Lead Cassandra Database Administrator (DBA) responsible for the performance, integrity, and security of databases. This role involves planning, development, and troubleshooting of the database for users. Key responsibilities include configuring, installing, and managing Cassandra clusters, handling node addition/deletion, monitoring performance, optimizing queries, implementing security and integrity controls, performing backups and disaster recovery, and upgrading clusters. The DBA will utilize tools like cqlsh, Grafana, and Prometheus, design database objects, perform data migration, and resolve performance issues. Translation of business requirements into technical designs and preparing documentation are also crucial. Experience with query optimization, script optimization, and Cassandra database architecture is essential.
Must have:
- 6+ years experience with Cassandra clusters
- Manage node addition and deletion
- Monitor and optimize Cassandra performance
- Configure multi-DC Cassandra clusters
- Implement security and integrity controls
- Perform backup and disaster recovery
- Utilize cqlsh, Grafana, Prometheus
- Design database objects and tables
- Perform data migration and recovery
- Resolve performance and query issues
- Strong understanding of Cassandra architecture
- Knowledge of database security best practices
5 skills required
Job Details
About Us:
Paytm is India's leading mobile payments and financial services distribution company. Pioneer of the mobile QR payments revolution in India, Paytm builds technologies that help small businesses with payments and commerce. Paytm’s mission is to serve half a billion Indians and bring them to the mainstream economy with the help of technology.
About the role:
Your responsibility as a Lead Cassandra database administrator (DBA) will be the performance, integrity and security of a database. You'll be involved in the planning and development of the database, as well as in troubleshooting any issues on behalf of the users.
Requirement:
6+ Years of experience in Configure, install, and manage Cassandra clusters.
Manage node addition and deletion in Cassandra clusters.
Monitor Cassandra clusters and implement performance monitoring.
Configure multi-DC Cassandra clusters.
Optimize Cassandra performance, including query optimization and other related optimization tools and techniques.
Implement and maintain Cassandra security and integrity controls, including backup and disaster recovery strategies.
Upgrade Cassandra clusters.
Utilize cqlsh, Grafana, and Prometheus for monitoring and administration.
Design and create database objects such as data table structures (Cassandra column families/tables).
Perform data migration, backup, restore & recovery for Cassandra.
Resolve performance issues, including blocking and deadlocks (as applicable in Cassandra's distributed context).
Implement and maintain security and integrity controls including backup and disaster recovery strategies for document management systems and MySQL databases (if these are part of the Cassandra Administrator's broader scope, otherwise this point might be less relevant for a pure Cassandra role).
Translate business requirements into technical design specifications and prepare high-level documentation for database design and database objects.
Extensive work experience on query optimization, script optimization, and other related optimization tools and techniques.
Strong understanding of Cassandra database architecture.
Experience with backup and recovery procedures specific to Cassandra.
Knowledge of database security best practices.
Experience with data migration and transformation.
Ability to work under pressure and meet deadlines.
Why join us
● A collaborative output driven program that brings cohesiveness across businesses through technology
● Improve the average revenue per use by increasing the cross-sell opportunities
● A solid 360 feedbacks from your peer teams on your support of their goals
● Respect, that is earned, not demanded from your peers and manager
Compensation:
If you are the right fit, we believe in creating wealth for you with enviable 500 mn+ registered users, 21 mn+ merchants and depth of data in our ecosystem, we are in a unique position to democratize credit for deserving consumers & merchants – and we are committed to it. India’s largest digital lending story is brewing here. It’s your opportunity to be a part of the story!
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