We are the Webex Persistence Team within the Webex Service Engineering & SRE organization.
Our team designs, builds, and operates highly scalable persistence services powering Webex Teams, Webex Meetings, and the broader Webex Suite. We work across Webex Data Centers and AWS Cloud environments, ensuring high availability, reliability, and performance at a global scale.
As part of this team, you will work on mission-critical infrastructure and platform systems, including data, streaming, and persistence layers, with a strong focus on automation, scalability, and cloud-native engineering.
Your ImpactAs a Senior Cassandra / DevOps Engineer, you will play a critical role in designing, operating, and optimizing large-scale Cassandra supporting Webex services.
You will help build resilient, high-performance systems and drive engineering excellence in database and infrastructure operations.
- Design, implement, and manage large-scale Apache Cassandra clusters in production
- Optimize performance, troubleshoot issues, and ensure high availability of distributed systems
- Architect and deploy Cassandra solutions on AWS (EC2, EKS, managed services) 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 proces ses
- Monitor system health and reliability using tools like Prometheus and Grafana
- Contribute to infrastructure automation using Terraform , Automation by Ansible, and Python.
- 8+ years of hands-on experience in Apache Cassandra design, administration, and cluster management in production environments
- Strong expertise in Cassandra architecture including data modeling, partitioning, replication strategies, consistency levels, and repair mechanisms
- Proven experience in performance tuning, troubleshooting, and designing highly available distributed systems
- Experience deploying and operating Cassandra on cloud platforms such as AWS (EC2, EKS, VPC, S3, IAM, CloudWatch) , OCP
- Proficiency in Cassandra Query Language (CQL) and programming in Java or Python, along with experience using Cassandra drivers
- Experience with infrastructure automation and DevOps practices, including CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Infrastructure as Code tools (Terraform, Ansible), Python
- Experience working with relational and search databases such as PostgreSQL, OpenSearch, or Elasticsearch
- Hands-on experience with containerization and orchestration technologies such as Docker and Kubernetes
- Exposure to modern data platforms, including data pipelines, streaming systems, or AI/ML and GenAI workloads
At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.
Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.
We are Cisco, and our power starts with you.
Skills Required
- 8+ years hands-on experience in Apache Cassandra design, administration, and cluster management in production environments
- Strong expertise in Cassandra architecture including data modeling, partitioning, replication strategies, consistency levels, and repair mechanisms
- Proven experience in performance tuning, troubleshooting, and designing highly available distributed systems
- Experience deploying and operating Cassandra on cloud platforms such as AWS (EC2, EKS, VPC, S3, IAM, CloudWatch) and OCP
- Proficiency in Cassandra Query Language (CQL) and programming in Java or Python, along with experience using Cassandra drivers
- Experience with infrastructure automation and DevOps practices, including CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Infrastructure as Code tools (Terraform, Ansible), Python
- Establish backup, recovery, and disaster recovery processes for Cassandra clusters
- Monitor system health and reliability using Prometheus and Grafana
- Experience with relational and search databases such as PostgreSQL, OpenSearch, or Elasticsearch
- Hands-on experience with containerization and orchestration technologies such as Docker and Kubernetes
- Exposure to modern data platforms, including data pipelines, streaming systems, or AI/ML and GenAI workloads
Cisco Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Cisco and has not been reviewed or approved by Cisco.
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Healthcare Strength — Comprehensive medical, dental, and vision coverage, mental health support via an EAP, and access to on-site or virtual health centers indicate robust healthcare offerings. Wellness programs, fitness resources, and specialized services further reinforce coverage depth.
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Leave & Time Off Breadth — Generous PTO, a global minimum for paid parental leave, and unique programs like company-wide recharge days and paid volunteer time expand time-away options. Additional offerings such as Critical Time Off and adoption assistance add flexibility for life events.
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Equity Value & Accessibility — Restricted stock units and a discounted employee stock purchase plan are meaningful elements of total compensation. The prominence of equity can materially augment overall pay packages alongside salary and bonuses.
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What We Do
Cisco (NASDAQ: CSCO) enables people to make powerful connections--whether in business, education, philanthropy, or creativity. Cisco hardware, software, and service offerings are used to create the Internet solutions that make networks possible--providing easy access to information anywhere, at any time. Cisco was founded in 1984 by a small group of computer scientists from Stanford University. Since the company's inception, Cisco engineers have been leaders in the development of Internet Protocol (IP)-based networking technologies. Today, with more than 71,000 employees worldwide, this tradition of innovation continues with industry-leading products and solutions in the company's core development areas of routing and switching, as well as in advanced technologies such as home networking, IP telephony, optical networking, security, storage area networking, and wireless technology. In addition to its products, Cisco provides a broad range of service offerings, including technical support and advanced services. Cisco sells its products and services, both directly through its own sales force as well as through its channel partners, to large enterprises, commercial businesses, service providers, and consumers.
