Senior Site Reliability Engineer at Cisco | GB | Rezi

Senior Site Reliability Engineer at Cisco

Senior Site Reliability Engineer

Cisco · GB

Today

Senior Site Reliability Engineer

Cisco · GB

6 hours ago
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About the Role

Redefining the future of collaboration by building a world where people connect effortlessly to enjoy modern, uncompromised collaboration across every room, desk, pocket, and application. Your work will ensure every user gets a truly immersive experience regardless of device or location, empowering the hybrid working patterns of the future.

Responsibilities

  • Own the design, codification, testing, and delivery of Kubernetes-based microservices configurations using Kubernetes, Helm.
  • Build reusable base configs with environment overlays and enable safe promotion across dev, staging, and production.
  • Drive operational perfection in a GitOps model using Argo CD.
  • Implement progressive delivery (canary releases, validation gates), codify autoscaling and resiliency, and manage secure secrets via HashiCorp Vault and Kubernetes Secrets.
  • Use AI-assisted tools to accelerate development, validation, and optimization of configuration-as-code, improving delivery speed and reducing deployment risk.
  • Address complex challenges across configuration, policy, observability, and data services.
  • Apply a data-driven approach using Prometheus and Grafana to improve reliability and performance.
  • Own end-to-end configuration quality, enforcing governance with Open Policy Agent.
  • Ensure secure, compliant deployments and full reproducibility, including backup, restore, and disaster recovery.
  • Advance a self-service platform using Backstage and Argo CD, enabling teams to deploy via declarative configs while promoting standard processes and continuous improvement.

Requirements

  • Analytical Degree or equivalent experience: Bachelor's or higher degree in an analytical subject (e.g. Computer Science, Electronic/Software Engineering).
  • 8+ Years demonstrated experience in software development.
  • Extensive architecture and programming experience and the willingness to learn new technologies quickly.
  • Strong Kubernetes + microservices experience
  • Experience with GitOps (CI/CD)
  • Hands-on with Helm or Kustomize
  • Experience with GitOps (e.g., Argo CD)
  • Knowledge of secrets management (e.g., HashiCorp Vault)
  • Experience with observability (metrics/logs/tracing)

Skills

  • Kubernetes
  • Helm
  • GitOps
  • Argo CD
  • HashiCorp Vault
  • Prometheus
  • Grafana
  • Open Policy Agent
  • Backstage
  • Kustomize

Location

  • London

Work Type

  • Hybrid

Experience Level

  • 8+ Years

Education Level

  • Bachelor's or higher degree in an analytical subject

About the Company

  • Cisco's Webex Engineering Group is redefining the future of collaboration.
  • 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.