Site Reliability Engineer (DevSecOps), Production Engineering - ThousandEyes

Cisco; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Cisco ThousandEyes is seeking a Site Reliability Engineer (DevSecOps) in Production Engineering to design and manage large-scale, highly available SaaS platforms in the cloud. You will collaborate with cross-functional teams to improve reliability and security while operating in a hybrid model with two days per week in Cisco engineering hubs.

You will drive automation, implement security in CI/CD, and participate in incident response to ensure optimal performance and resilience of the

Qualifications

• Hands-on experience deploying and troubleshooting containerized workloads in production Kubernetes environments.
• Experience diagnosing and administering Linux/Unix systems, including networking and file systems.
• Experience developing automation tooling or backend services using Python or Go.
• Experience integrating automated security scanning tools into CI/CD pipelines (SAST/DAST).

Responsibilities

• Collaborate with software engineers to optimize architecture for availability, latency and reliability using cloud-native tools.
• Design and implement scalable operations tooling to support platform growth across regions.
• Design, deploy and maintain AWS cloud-native services that are elastic and resilient.
• Participate in and improve our 24x7 incident response and on-call rotation.
• Use and expand CNCF solutions like Kubernetes, Service Mesh, Prometheus, OpenTelemetry, and ArgoCD.
• Automate production operations to provide guardrails and continuous platform operation.
• Develop automation solutions for scalable service and platform operations, including deployment and chaos testing.
• Stay updated on industry best practices for scalability and reliability.
• Identify obstacles hindering operational excellence across engineering teams.
• Standardize solutions to enable repeated success across our microservice-based multi-region platform.
• Play a key role in the ThousandEyes platform with scale testing and multiple environments.
• Manage a rapidly growing infrastructure handling substantial daily data volumes.

Skills

Linux/Unix administration

Automation scripting

Python or Go programming

Security practices in deployment

Tools

Kubernetes

CI/CD tooling (SAST/DAST)

Container image hardening

Cloud platforms (AWS)

Job description

Please note that we operate a hybrid working model, and this role will require you to work in one of our Engineering hubs 2 days a week.

Meet the Team

Cisco ThousandEyes is a leading Digital Experience Assurance platform that empowers organizations to deliver seamless digital experiences across every network—even those beyond their ownership. Leveraging AI and an unparalleled set of cloud, internet, and enterprise network telemetry data, ThousandEyes enables IT teams to proactively detect, diagnose, and resolve issues before they impact end-user experiences.

ThousandEyes is deeply integrated across Cisco's extensive technology portfolio, supporting customers in scaling deployments while offering AI-powered assurance insights within Cisco’s Networking, Security, Collaboration, and Observability portfolios.

Your Impact

We are seeking a skilled Site Reliability Engineer (DevSecOps) in Production Engineering with a strong background in SaaS, operations and security. You will design and manage large-scale, highly available distributed systems in the cloud, collaborating directly with application development teams to enhance the reliability, performance, and security of our platform.

Responsibilities

• Collaborate with software engineers to optimize architecture and services for availability, latency, performance, and reliability using cloud-native tools.
• Design and implement scalable operations tooling to support platform growth and scaling across multiple regions.
• Design, deploy, and maintain AWS cloud-native services that are elastic and resilient to failure.
• Participate in and improve our 24x7 incident response and on-call rotation.
• Use and expand our existing CNCF solutions like Kubernetes, Service Mesh, Prometheus, OpenTelemetry, and ArgoCD to increase platform reliability.
• Automate production operations to provide guardrails and continuous platform operation.
• Develop automation solutions for scalable service and platform operations, including deployment, scale testing, graceful failure, and chaos testing.
• Stay updated on industry best practices for scalability and reliability to improve the scalability of the ThousandEyes platform.
• Identify and provide solutions to common obstacles hindering operational excellence across engineering teams.
• Generalize and standardize solutions and processes to enable repeated success across our microservice-based multi-region platform.
• Play a key role in the ThousandEyes platform by leveraging scale testing, additional environments, and working with application teams to improve system reliability.
• Manage a rapidly growing infrastructure capable of handling substantial daily data volumes, emphasizing operations/infrastructure/everything as code.

Minimum Qualifications

• Hands-on experience deploying, operating, and troubleshooting containerized workloads in production Kubernetes environments.
• Professional experience diagnosing and administrating Linux/Unix systems, including process management, file systems, and networking protocols (TCP/IP, DNS, HTTP).
• Professional experience developing automation tooling, operational scripts, or backend services using Python or Go.
• Practical experience building hardened container images and integrating automated security scanning tools (SAST, DAST, or container vulnerability scanners) into CI/CD pipelines.

Preferred Qualifications

• Familiarity with best practices for operating a large-scale, highly available enterprise platform.
• 3+ years of experience in a related role.
• Excellent communication and documentation skills.
• Strong sense of ownership, drive, and attention to detail.

Why Cisco?

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.