Job Description

Senior Cassandra/Redis DBA Description

We are actively seeking an experienced Senior Cassandra/Redis DBA to join our team. In this role, you will play a crucial part in planning and executing database cluster setups, ensuring smooth operations, and optimizing performance. If you have a wealth of experience in Cassandra/Redis DBA and cloud migration, we welcome you to be a key player in shaping the future of our database and cloud infrastructure initiatives.

Responsibilities

• DB Cluster Planning: Estimate data sizing, identify hardware requirements based on data size and transaction volume, and plan the setup of DB clusters
• Installation and Configuration: Create, install, and configure DB clusters, ensuring smooth operations
• Monitoring and Performance Optimization: Utilize monitoring tools to ensure cluster availability and performance. Fine-tune performance aspects like Java Virtual Machine (JVM), caches, and compaction
• Data Management: Export data into different formats and use primary and secondary indexes effectively for data queries
• Backup and Restoration: Implement backup and restoration procedures to secure the system in case of failure
• Stress Testing: Conduct stress tests on clusters and interpret performance results

Requirements

• 3+ years of relevant work experience
• In-depth knowledge of architecting and creating Cassandra/NoSQL database systems
• Proficiency in Cassandra data modeling, NoSQL architecture, keyspace, table, index creation, user creation, and access administration
• Strong understanding of Cassandra's complex inner workings, including the gossip protocol, hinted handoffs, read repairs, Merkle trees, tombstones, and garbage purging
• Administration, maintenance, and support of the cluster using tools like Opscenter, Devcenter, Linux, and Spark
• Experience with CQL queries to support integration with Cassandra Cluster
• Hands-on experience with creating, installing, and configuring Redis clusters, managing Redis processes, and more
• Proficiency in Redis data model and commands, including different data types, publishing/subscribing, transactions, key expiration, and sorting
• Experience in Redis data management, including replication, snapshots, persistence options, AOF, master-slave replication, memory, and CPU consumption optimization
• Scalability knowledge, both vertical and horizontal
• Backup and restoration procedures
• Hands-on experience with AWS cloud and basic services (Elastic Compute, S3, IAM)
• B2+ English level proficiency

Nice to have

• Experience with DSE (DataStax Enterprise)
• Hands-on experience with Cassandra databases hosted on AWS cloud
• Good knowledge of Linux and Java configuration
• Integration experience with Solar and Spark
• Proficiency in automation and CI/CD tools like Jenkins, Gitlab CI, Team City
• Familiarity with Terraform, CloudFormation, and Python
• Any experience with Astra or AWS Keyspaces

We offer

• Career plan and real growth opportunities
• Unlimited access to LinkedIn learning solutions
• International Mobility Plan within 25 countries
• Constant training, mentoring, online corporate courses, eLearning and more
• English classes with a certified teacher
• Support for employee’s initiatives (Algorithms club, toastmasters, agile club and more)
• Enjoyable working environment (Gaming room, napping area, amenities, events, sport teams and more)
• Flexible work schedule and dress code
• Collaborate in a multicultural environment and share best practices from around the globe
• Hired directly by EPAM & 100% under payroll
• Law benefits (IMSS, INFONAVIT, 25% vacation bonus)
• Major medical expenses insurance: Life, Major medical expenses with dental & visual coverage (for the employee and direct family members)
• 13 % employee savings fund, capped to the law limit
• Grocery coupons
• 30 days December bonus
• Employee Stock Purchase Plan
• 12 vacations days plus 4 floating days
• Official Mexican holidays, plus 5 extra holidays (Maundry Thursday and Friday, November 2nd, December 24th & 31st)
• Monthly non-taxable amount for the electricity and internet bills

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

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