DevOps Engineer
Job in
Reigate, Surrey County, RH2, England, UK
Listed on 2026-09-15
Listing for:
Willis Towers Watson
Full Time
position Listed on 2026-09-15
Job specializations:
-
IT/Tech
Cloud Computing: Infrastructure & Operations, SRE/Site Reliability, Systems Engineer, Azure
Job Description & How to Apply Below
The role is to work on the evolution of the SaaS delivery platform for WTW’s flagship product Radar Live SaaS. You will have worked on large scale and globally deployed SaaS applications that have a mature stack management capability. A sound technical background is essential to be successful in this role with experience in delivering large scale Cloud services.
The ideal candidate will enjoy building automated, environment-agnostic cloud platforms. Have strong troubleshooting and operational instincts. Prefer IaC and policy-driven automation over manual work. Be comfortable working across Dev, Ops, Security, and Architecture. Can balance reliability, quality, speed, and practical engineering trade-offs.
The Role As a Senior Dev Ops Engineer, you will be expected to:
Infrastructure-as-Code (IaC)
Maintain and extend IaC modules using Open Tofu (Terraform fork).Implement reusable, parameterized templates for Azure infrastructure.
Automate environment provisioning across development and production.
Manage backend state, pipelines, and state-change detection integrations.
Platform Engineering & SREOwn and improve reliability, observability, and performance of the platform.
Implement SLOs, alerting, dashboards, and auto remediation where possible.
Troubleshoot cluster level, networking, and workload deployment issues.
Lead root cause analysis (RCA) and drive long-term reliability improvements.
Automation & Tooling Develop automation scripts and tooling in Power Shell.
Build and optimize Azure Dev Ops (ADO) YAML pipelines.
Integrate automated testing, security scanning, and automated rollout strategies like blue/green or canary where appropriate.
Workflow & Delivery Work in an Agile environment using ADO for planning and tracking.
Collaborate closely with developers, platform engineers, and security.
Participate in on-call rotations (if required).What you’ll bring The essential skills/experience for this position are:
Strong experience with Open Tofu/Terraform for IaC.Hands‑on expertise with AKS, including:cluster operations node pools & autoscalingingress, cert-manager, CNIworkload deployment patterns
Experience of Azure Cloud Services:
Azure Front Door (AFD) and API Management (APIM)
Azure DNS, Key Vault, MSI, networking, identity / Azure Entra ID Monitoring:
Datadog, Log Analytics, Azure Monitor Skilled in Scripting (Power Shell, Bash, Python) automation.
Proficient in Azure Dev Ops: repos, pipelines, artifacts.
Solid understanding of Azure networking, DNS/private endpoints, Certificate/Secret management etc Strong debugging and operational experience (SRE mindset).Solid experience of Dev Sec Ops architecture, processes & tooling Solid understanding of Observability Process & Tooling Logging, metrics, traces, dashboards Other highly desirable, but not essential skills are:
Experience with :
Git Ops - ArgoCD or Git Ops workflows
Zero downtime deployments (blue/green/canary patterns)
Prometheus/Grafana Microsoft Azure Certification (Az-104, Az-305, Az-400).Kubernetes Certification (CKA).Terraform Associate / Open Tofu equivalent (when available).
Experience with high volume low latency SaaS systems.
Experience with distributed and event driven architectures.
Experience with Ingress Solutions such as Azure Front Door and API Management.
Experience with IAM, Authentication /…
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