Senior Site Reliability Engineer

Overview

As part of Cisco’s Webex Engineering Group in London, you will own the design, delivery, and governance of Kubernetes-based microservices configurations, enabling scalable, declarative deployments. You’ll drive a GitOps-enabled platform with Argo CD, Helm/Overlays, and secure secrets, while advancing automation and observability to boost reliability. You’ll work across Dev, Staging, and Production to reduce risk and accelerate delivery, partnering with cross-functional teams to support hybrid collaboration at scale.

Responsibilities

• Own the end-to-end provisioning and configuration of Kubernetes-based microservices (Deployments, Services, Ingress, ConfigMaps) using Kubernetes and Helm
• Build reusable base configs with environment overlays and manage safe promotion across dev, staging, production
• Drive GitOps practices using Argo CD and implement progressive delivery including canary releases and validation gates
• Codify autoscaling, resiliency, and secure secret management with HashiCorp Vault and Kubernetes Secrets
• Apply AI-assisted approaches to configuration-as-code to speed up development and reduce deployment risk
• Ensure governance and reproducibility with Open Policy Agent, including backup, restore, and disaster recovery
• Develop a self-service platform using Backstage and Argo CD to enable teams to deploy via declarative configs
• Focus on observability and performance improvements using Prometheus and Grafana
• Address complex configuration, policy, and data service challenges with a data-driven approach
• Collaborate with cross-functional teams to improve reliability and system maturity

Key requirements

• 8+ years in software development
• Strong Kubernetes and microservices experience
• Experience with GitOps (CI/CD)
• Analytical degree or equivalent experience

• Adaptable and problem-solver
• Analytical mindset
• Collaborative team player
• Kubernetes
• Microservices
• GitOps

…