WTW

Site Reliability Engineer

Company
Location
Reigate, England, United Kingdom
Posted At
6/20/2025
Advertise with us by contacting: [email protected]
Description
Description

Summary:

We’re looking for an experienced Platform/Infrastructure Engineer with a strong Microsoft Azure background and deep knowledge of Kubernetes. You'll play a key role in designing, deploying, and maintaining infrastructure and services that power our products. This role requires hands-on experience with automation, modern IaC practices, CI/CD, and maintaining production-grade environments.

The Role

  • Operate, monitor, and improve cloud infrastructure for high-availability services in Azure
  • Deploy, configure and manage Kubernetes workloads at scale, including the use of Helm, ArgoCD, Flux, or similar GitOps tools
  • Build and maintain CI/CD pipelines using Azure DevOps or similar tooling
  • Write and maintain Infrastructure as Code using Terraform or OpenTofu
  • Develop scripts and automation to support infrastructure and deployment workflows - PowerShell is preferred
  • Collaborate with engineering teams to support platform reliability and enable delivery
  • Maintain visibility and awareness through monitoring and logging tools such as Datadog, Azure Monitor, App Insights etc.
  • Support incident resolution and participate in an on-call rota to help maintain service uptime

Qualifications

The Requirements:

Essential Experience

  • Proven experience in a Platform, Infrastructure, or DevOps engineering role
  • Hands-on experience operating 24x7 services in a public cloud, ideally Azure
  • Strong experience managing infrastructure using Terraform or OpenTofu
  • Experience managing and scaling Kubernetes clusters in production environments
  • Proficient with CI/CD tooling, preferably Azure DevOps (YAML pipelines)
  • Strong scripting skills using PowerShell
  • Experience with monitoring and logging solutions such as Azure Monitor, App Insights, or similar
  • Clear communicator with the ability to collaborate across cross-functional teams

Nice To Have

  • Azure certifications (e.g. Azure Administrator, Azure DevOps Engineer)
  • Experience with GitOps and tools such as ArgoCD or Flux
  • Familiarity with Configuration as Code tools like Ansible or Puppet
  • Exposure to large-scale distributed systems or high-volume web APIs
  • Awareness of incident response processes and platform reliability best practices

Equal Opportunity Employer

At WTW, we believe difference makes us stronger. We want our workforce to reflect the different and varied markets we operate in and to build a culture of inclusivity that makes colleagues feel welcome, valued and empowered to bring their whole selves to work every day. We are an equal opportunity employer committed to fostering an inclusive work environment throughout our organisation. We embrace all types of diversity.

At WTW, we trust you to know your work and the people, tools and environment you need to be successful. The majority of our colleagues work in a ”hybrid” style, with a mix of remote, in-person and in-office interactions dependent on the needs of the team, role and clients. Our flexibility is rooted in trust and “hybrid” is not a one-size-fits-all solution.

(ICT_TECH TD_2025_14R)
Advertise with us by contacting: [email protected]
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