Infrastructure Engineer

Willis Re; Greater London; On-site; GBP 60,000 - 90,000; Part time

Job summary

Willis Re, expanding its Global business in 2026, seeks an Azure-focused Cloud Infrastructure Engineer to design, build and operate secure, resilient Azure networks. You will own networking architectures, automation pipelines and enterprise-grade deployments across hybrid environments.

You will implement low-level designs, manage IaC using Terraform and Azure DevOps, and work with security teams to enforce governance, threat protection and compliance.

Qualifications

• Strong expertise in Azure networking (VNets, routing, firewalls, private links, load balancing)
• Proven experience producing low-level designs and implementing enterprise-grade architectures
• Hands-on proficiency with infrastructure-as-code and automated deployments (Terraform, Azure DevOps)
• Deep troubleshooting capability for network and connectivity issues across cloud environments
• Understanding of building, deploying and managing API Gateways
• Strong understanding of Azure security controls, governance and compliance
• Familiarity with monitoring, logging, and diagnostic tooling
• Solid scripting skills (PowerShell, Bash, or Python)

Responsibilities

• Design, build and operate secure, resilient Azure cloud infrastructure with focus on networking and deployment automation
• Develop and maintain virtual networks, routing, firewalls, private endpoints, load balancers and API Gateways; produce LLDs
• Deliver repeatable, compliant infrastructure using Terraform and Azure DevOps pipelines; support blue/green and canary deployments
• Diagnose and resolve complex network and service connectivity issues across IaaS, PaaS and hybrid environments
• Implement and enforce Azure security best practices including IAM, segmentation, encryption, policy governance
• Monitor, optimise and support cloud infrastructure for high availability and performance; contribute to incident response and RCA
• Collaborate with architects, developers and security teams; produce runbooks and standards for BAU handover

Skills

Azure networking

Low-level designs

Infrastructure as code

Terraform

Azure DevOps

Network troubleshooting

API Gateways

Azure security controls

Scripting (PowerShell/Python/Bash)

Monitoring & logging

Tools

Terraform

Azure DevOps

PowerShell

Job description

6 month FTC

The Role

Willis Re is expanding it’s Global business in 2026 and the Cloud and Infrastructure team will need to support this growth by designing, provisioning then supporting the platforms to enable this.

We’re looking for someone to Design, build, and operate secure, resilient Azure cloud infrastructure with a strong focus on networking, deployment automation, and adherence to enterprise standards.

Key Responsibilities

• Azure Networking Architecture: Develop and maintain virtual networks, routing, firewalls, private endpoints, load balancers, and API Gateways. Produce and review low‑level designs (LLDs) for new and existing services.
• Deployment & Automation: Deliver repeatable, compliant infrastructure using Terraform, Azure DevOps pipelines, and Git-based workflows. Support blue/green and canary deployment patterns.
• Connectivity Troubleshooting: Diagnose and resolve complex network and service‑to‑service connectivity issues across IaaS, PaaS, and hybrid environments using tools such as Network Watcher, NSG flow logs, packet capture, and log analytics.
• Security & Compliance: Implement and enforce Azure security best practices including identity and access management, network segmentation, encryption, policy governance, and threat protection. Ensure solutions align with organisational standards and regulatory requirements.
• Operational Excellence: Monitor, optimise, and support cloud infrastructure, ensuring high availability and performance. Contribute to incident response, root cause analysis, and continuous improvement.
• Collaboration & Documentation: Work closely with architects, developers, and security teams to deliver integrated solutions. Produce clear technical documentation, including LLDs, runbooks, and standards to be handed over to the BAU Support teams.

About You

Core Skills & Experience

• Strong expertise in Azure networking (VNets, routing, firewalls, private links, load balancing).
• Proven experience producing low‑level designs and implementing enterprise-grade architectures.
• Hands-on proficiency with infrastructure-as-code and automated deployments. (Ideally Terraform and Azure DevOps)
• Deep troubleshooting capability for network and connectivity issues across cloud environments.
• Understanding of building, deploying and managing API Gateways
• Strong understanding of Azure security controls , governance, and compliance frameworks.
• Familiarity with monitoring, logging, and diagnostic tooling.
• Solid scripting skills (PowerShell, Bash, or Python).

Nice to have

• Experience with Observability tools like DataDog
• Understanding of Zero Trust Architecture
• Snowflake experience

About Willis Re

We combine specialist broking with analytics, modeling and research to help insurers optimize risk transfer, strengthen balance sheets and achieve sustainable growth. Our approach is relationship-driven, transparent and outcome-focused.

At the heart of Willis Re is a focus on delivering the most cutting-edge analytical solutions to enable more informed, better decision-making for risk selection, portfolio optimization, and capital management.

The launch of Willis Re brings a strategic advantage of being unhindered by legacy, an ability to leverage data, statistical models and advanced technologies with the best knowledge and expertise to deliver more efficient and effective reinsurance outcomes. This places Willis Re in a unique position to build a truly analytically driven business, focused on creating solutions for the reinsurance industry that are future led and forward thinking.

Willis Re will also leverage recognized technical expertise from WTW’s Insurance Consulting & Technology business including their advanced modeling and analytical capabilities. Alongside this will be WTW’s Research Network, an award-winning business supporting and influencing science to improve the understanding and quantification of risk.

Willis Re is committed to embracing a diverse, inclusive, and flexible work environment. We provide equal opportunity to all qualified individuals regardless of race, colour, religion, age, gender, gender expression, national origin, veteran status, disability, orientation, or any other legally protected categories. If you have a need that requires accommodation, please email us at [e-mail]