Senior Cassandra Engineer – Platform & SRE (8–12 Years)
Core
Design, build, and operate large-scale Apache Cassandra clusters and persistence services for Webex Teams, Meetings, and the broader Webex Suite.
Role type
Senior IC Cassandra Platform & SRE Engineer
Builds
Mission-critical data, streaming, and persistence layers for Webex services
Domain
Cloud-native infrastructure and distributed databases
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Apache Cassandra architecture, data modeling, partitioning strategies, replication, consistency levels, performance tuning, troubleshooting, AWS (EC2, EKS, VPC, S3, IAM, CloudWatch), OCP, CQL, Java, Python, Terraform, Ansible, CI/CD pipelines
Preferred skills
PostgreSQL, OpenSearch, Elasticsearch, Docker, Kubernetes, data pipelines, streaming systems, AI/ML workloads
Technologies
Apache Cassandra, AWS, OpenShift (OCP), Prometheus, Grafana, Terraform, Ansible, Jenkins, GitHub Actions, GitLab CI, Python, Java
Responsibilities
Design and manage large-scale Apache Cassandra clusters in production; Optimize performance and ensure high availability of distributed systems; Architect and deploy Cassandra solutions on AWS and OCP environments; Perform capacity planning, cluster sizing, and performance tuning; Define data models including partitioning strategies, replication, and consistency levels; Collaborate with engineering teams to build high-throughput, low-latency data systems; Drive migration strategies for Cassandra to new versions; Establish backup, recovery, and disaster recovery processes; Monitor system health and reliability using tools like Prometheus and Grafana; Contribute to infrastructure automation using Terraform, Ansible, and Python
Seniority
Senior, hands-on IC
