Database Administrator (Couchbase/Cassandra) @ Mavenir

Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industrys only end-to-end, cloud-native network software provider, Mavenir is transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world s subscribers.

Role Summary

Mavenir is looking for a highly skilled Couchbase ,NoSQL Cassandra/ScyllaDB Database Administrator with strong Linux administration, Kubernetes or AWS experience. The ideal candidate will be responsible for managing NoSQL databases, ensuring high availability, performance, and scalability while also handling Linux-based infrastructure and cloud deployments. This role involves database performance tuning, automation, and container orchestration.

Key Responsibilities

• Deploy, configure, and manage Couchbase,Cassandra/ScyllaDB clusters in production
• Design and implement replication, sharding, and multi-data center strategies
• Optimize query performance, data modeling, and partitioning strategies
• Automate database management using Ansible, Terraform, or Python
• Perform backup, restore, and disaster recovery planning
• Troubleshoot database issues, manage schema changes, and monitor cluster health
• Configure and maintain networking, security policies, and performance tuning.
• Deploy and manage databases on AWS (EC2, EKS, S3, RDS, DynamoDB, IAM, CloudWatch).
• Set up auto-scaling, high availability, and security policies in AWS
• Optimize database performance by tuning memory, disk I/O, and caching strategies
• Implement TLS encryption, RBAC authentication, and firewall rules for secure access.

Job Requirements

• Minimum 5+ years of relevant experience
• Strong experience with Couchbase ,Apache Cassandra and/or ScyllaDB
• Hands-on with CQL, nodetool, cqlsh, and ScyllaDBs monitoring tools.
• Knowledge of multi-DC replication, consistency tuning, and repair strategies
• Proficiency in Linux system administration (RHEL, Ubuntu, CentOS)
• Knowledge of LVM, RAID, kernel tuning, and disk management
• Experience with Helm, StatefulSets, Persistent Volumes, and Operators.
• Strong understanding of Kubernetes networking, RBAC, and auto-scaling
• Experience with AWS services (EC2, EKS, S3, RDS, IAM, CloudWatch, VPC)
• Knowledge of Terraform, CloudFormation, or Ansible for cloud automation
• CI/CD automation for database deployments.
• Proficiency in Bash/Python scripting for automating admin tasks

Accessibility

Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you require any assistance, please state in your application or contact your recruiter.

Mavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardless of their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.