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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Devops SRE - **Company:** Test Triangle - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Automation of Tests, Bash Shell, Software as a Service, Cloud Computing, Cloud Computing Security, Cloud Engineering, Computer Programming, Continuous Delivery, Continuous Integration, DevOps, Domain Name System (DNS), Virtual Private Networks (VPN), Python (Programming Language), Linux Kernel, Routing, Performance Tuning, Public Key Infrastructure, Role-Based Access Control, Reliability Engineering, Prometheus, Google Cloud, Istio, Delivery Pipeline, Kubernetes, Deployment Automation, Azure AKS, Terraform, Dynatrace, Golang - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815160661-devops-sre ## About the Role * Extensive experience in DevOps or Site Reliability Engineering (SRE) roles across consumer or SaaS environments. * Strong expertise in deploying and managing production-grade Kubernetes clusters and containerised services. * Hands-on experience with Kubernetes (k8s) and Containers in live, high-availability environments. * Proven experience designing and implementing CI/CD pipelines for automated build, test, and deployment workflows. * Proficiency in programming languages such as Python, Go, and Bash for automation and tooling. * Demonstrated ability to take ownership of engineering initiatives and drive them to successful completion. * Strong experience developing and managing Infrastructure as Code (IaC) using Terraform. * Exposure to managing the full product lifecycle of cloud-native core services. * Hands-on experience with GCP infrastructure and services. * Deep understanding of cloud networking concepts such as Hybrid Connectivity, VPN, NAT, IPAM, DNS, and routing. * Strong knowledge of cloud security including KMS, PKI, encryption standards, and least-privilege access principles. * Experience with Service Mesh technologies such as Istio or Anthos for secure service-to-service communication and observability. * Competence in managing Istio telemetry, sidecar injection, and enforcing mTLS. * Experience with Anthos Config Management, GitOps-driven provisioning, and Backstage GitOps workflows. * Understanding of shared Kubernetes services such as CoreDNS, cert-manager, Dynatrace, Cloudability, and Infoblox. * Familiarity with OPA Gatekeeper for policy enforcement and tenant isolation. Security, Observability & Performance * Strong security mindset with a proven track record of designing secure, resilient cloud-native systems. * Experience implementing observability stacks including Prometheus, Dynatrace, and OpenTelemetry. * Deep understanding of Linux internals, system performance tuning, and troubleshooting. * Familiarity with Aqua Security for container runtime protection. CI/CD & Automation Tooling * Hands-on experience with Harness CI/CD for secure and automated deployment workflows., * Excellent verbal, written, and interpersonal communication skills with the ability to explain complex technical concepts clearly. * Ability to work effectively in fast-paced, dynamic environments and adapt quickly to change. * Strong analytical and problem-solving abilities with a focus on delivering high-quality outcomes. ## Description Our Cloud Engineering team is seeking a seasoned and passionate Senior Cloud Engineer with deep hands-on development and cloud engineering expertise. In this role, you will serve as a key technical contributor within a cloud-focused engineering team, working on one of the Group's flagship initiatives-delivering a strategic platform on Google Cloud Platform (GCP) that enables the business to realise next-generation services aligned with the Bank's long-term vision. Key Responsibilities * Architect, implement, and maintain highly resilient, scalable, and secure Kubernetes environments on GCP. * Engineer and optimise Kubernetes infrastructure to support multitenant workloads, ensuring robust isolation, resource efficiency, and operational scalability. * Design and enforce strong security controls, including OPA Gatekeeper policies, fine-grained RBAC, mTLS enforcement, and secure service mesh configurations. * Build, maintain, and enhance CI/CD pipelines enabling automated testing, seamless deployments, and continuous integration. * Diagnose and resolve complex system-level issues related to performance, scalability, networking, and automation. * Collaborate with cross-functional teams to deliver cloud-native solutions aligned with engineering best practices and business goals. Required Skills & Experience Core Cloud & DevOps Competencies * Extensive experience in DevOps or Site Reliability Engineering (SRE) roles across consumer or SaaS environments. * Strong expertise in deploying and managing production-grade Kubernetes clusters and containerised services. * Hands-on experience with Kubernetes (k8s) and Containers in live, high-availability environments. * Proven experience designing and implementing CI/CD pipelines for automated build, test, and deployment workflows. * Proficiency in programming languages such as Python, Go, and Bash for automation and tooling. * Demonstrated ability to take ownership of engineering initiatives and drive them to successful completion. * Strong experience developing and managing Infrastructure as Code (IaC) using Terraform. * Exposure to managing the full product lifecycle of cloud-native core services. * Hands-on experience with GCP infrastructure and services. * Deep understanding of cloud networking concepts such as Hybrid Connectivity, VPN, NAT, IPAM, DNS, and routing. * Strong knowledge of cloud security including KMS, PKI, encryption standards, and least-privilege access principles. * Experience with Service Mesh technologies such as Istio or Anthos for secure service-to-service communication and observability. * Competence in managing Istio telemetry, sidecar injection, and enforcing mTLS. * Experience with Anthos Config Management, GitOps-driven provisioning, and Backstage GitOps workflows. * Understanding of shared Kubernetes services such as CoreDNS, cert-manager, Dynatrace, Cloudability, and Infoblox. * Familiarity with OPA Gatekeeper for policy enforcement and tenant isolation. Security, Observability & Performance * Strong security mindset with a proven track record of designing secure, resilient cloud-native systems. * Experience implementing observability stacks including Prometheus, Dynatrace, and OpenTelemetry. * Deep understanding of Linux internals, system performance tuning, and troubleshooting. * Familiarity with Aqua Security for container runtime protection. CI/CD & Automation Tooling * Hands-on experience with Harness CI/CD for secure and automated deployment workflows. Professional Attributes * Excellent verbal, written, and interpersonal communication skills with the ability to explain complex technical concepts clearly. * Ability to work effectively in fast-paced, dynamic environments and adapt quickly to change. * Strong analytical and problem-solving abilities with a focus on delivering high-quality outcomes. ## Related Videos - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) - [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development) - [Learning Kubernetes made easy with KubeCampus](https://www.wearedevelopers.com/magazine/348-learning-kubernetes-made-easy-with-kubecampus) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)