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WTW

DevOps Engineer

WTW Reigate, England, United Kingdom

Financial Services · 10,001+ employees

5 d ago
devops Senior (5-10 yrs) Full-time United Kingdom
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About the role

You will maintain and extend Infrastructure-as-Code modules while managing the reliability, observability, and performance of the SaaS delivery platform. Additionally, you will collaborate with cross-functional teams to implement automated testing, security scanning, and efficient deployment strategies.

What they look for

DevOps OpenTofu Terraform Azure AKS Infrastructure-as-Code PowerShell Azure DevOps SRE Observability Kubernetes Networking CI/CD Security Agile

Requirements

The role requires strong experience with OpenTofu/Terraform, Azure Cloud Services, and Kubernetes (AKS) operations. Candidates should possess a solid background in scripting, DevSecOps architecture, and a strong SRE mindset for troubleshooting and operational excellence.

Benefits

Annual leave Private healthcare Life insurance Group income protection Health assessments Pension scheme Hybrid working Employee assistance programme Volunteer day Electric vehicle car scheme Share scheme Cycle-to-work programme Dental cover Optical cover Critical illness protection

Full description

As a Senior DevOps Engineer, you will join a substantial global engineering organisation and work in a team of highly skilled engineers in the SaaS platform area. You will be part of a team that follows Agile methodologies to deliver market-leading insurance solutions. This is a new position created as the organisation continues to grow and accelerate the delivery of innovative solutions that harness the latest advances in technology.

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 DevOps Engineer, you will be expected to:

Infrastructure-as-Code (IaC)

  • Maintain and extend IaC modules using OpenTofu (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 & SRE

  • Own 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 PowerShell.
  • Build and optimize Azure DevOps (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).

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