Senior Infrastructure Engineer Azure

Salary: £40,000 - 70,000 per year

Requirements:

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

Responsibilities:

• 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 we move 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 our 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.

Technologies:

• Azure
• Cloud
• Cisco
• Support
• ITIL
• Network
• PowerShell
• Security
• DevOps

More:

We are a growing technology team transitioning towards a more cloud-first, globally aligned infrastructure estate while continuing to support a complex hybrid environment. This Senior Infrastructure Engineer role is based in London with flexible working, including two days a week in the office and three days working from home. We offer a salary of up to 90k, plus pension, private healthcare, life assurance, an employee assistance programme, and 25 days holiday plus 3 days for the Christmas break.

last updated 36 week of 2026