> Markdown version of [/jobs/ext/3614048-site-reliability-engineer-devsecops-production-engineering-thousandeyes](https://www.wearedevelopers.com/jobs/ext/3614048-site-reliability-engineer-devsecops-production-engineering-thousandeyes). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Site Reliability Engineer (DevSecOps), Production Engineering - ThousandEyes - **Company:** Cisco Systems Inc - **Location:** London, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Software as a Service, File Systems, Distributed Systems, Domain Name System (DNS), Hypertext Transfer Protocols (HTTP), Python (Programming Language), Network Protocols, Octopus Deploy, Reliability Engineering, Prometheus, Software Engineering, Systems Integration, TCP/IP, Istio, Reliability of Systems, Backend, Containerization, Kubernetes, Low Latency, Tenable Nessus, Devsecops, Static Application Security Testing, Vulnerability Analysis, Dynamic Application Security Testing - **Published:** October 8, 2026 - **Apply:** https://dejobs.org/x/x/55CC8420B56A45EC9C1543501E069ECF/job/ ## About the Role * 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., * 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. ## Description 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., * 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.