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# Infrastructure Engineer

- **Company:** Client Server
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £80,000.0 - £90,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Azure, Cloud Computing, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Routing, Windows PowerShell, Runbook, Software Troubleshooting, HybridCloud, Firewalls (Computer Science), Infrastructure Automation Frameworks, Fortinet, Cisco
- **Published:** August 19, 2026
- **Apply:** https://www.client-server.com//job/senior-infrastructure-engineer-azure/apply

## About the Role

* You have experience as a Senior Infrastructure Engineer, ideally within an SME environment
 * You have advanced, hands-on networking skills, covering routing, switching, firewalls, VPNs and network security - they use Fortinet, but Cisco experience is fine if you're happy to cross train
 * You have strong experience with Azure and hybrid cloud infrastructure
 * You have experience of delivering infrastructure change, transformation or migration projects
 * You're comfortable working across both cloud and on-premise environments
 * You have strong troubleshooting and problem solving skills
 * You have a good understanding of ITIL / structured change management environments
 * You're collaborative with experience of communicating with various vendors, stakeholders and technical teams
 * Experience with PowerShell scripting or infrastructure automation would be beneficial but not essential

## Description

Are you a senior, hands-on Infrastructure Engineer with strong networking expertise who enjoys combining technical delivery with change and transformation projects?

You could be joining a growing technology team as they transition towards a more cloud-first, globally aligned infrastructure estate, while continuing to support a complex hybrid environment.

As a Senior Infrastructure Engineer, you'll provide 3rd line technical expertise across Azure, on-premise infrastructure, networking and firewalls, taking ownership of complex incidents, infrastructure changes and transformation initiatives. You'll remain highly hands-on while helping shape how the infrastructure function operates for the future.

What you'll do:

 * Provide senior 3rd line support across Azure, hybrid infrastructure, networking and firewalls
 * Design, implement and support network and cloud infrastructure, ensuring it remains secure, resilient and scalable
 * Lead and deliver infrastructure transformation and change projects as the business moves towards a cloud-first model
 * Troubleshoot complex infrastructure and networking issues, taking ownership through to resolution
 * Manage infrastructure changes within a structured ITIL/service management environment
 * Reduce legacy and on-premise dependencies in line with the wider Technology roadmap
 * Improve automation and scripting to make infrastructure deployments and configuration repeatable, auditable and efficient
 * Work closely with technology leadership, security, service desk and external vendors
 * Provide technical escalation and knowledge transfer to the Service Desk, improving overall team capability
 * Maintain clear technical documentation, runbooks and operational processes


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