Senior Infrastructure Engineer

Salary: £33,000 - 71,000 per year

Requirements:

• Hands-on network and firewall configuration experience
• Fortinet design experience is desirable
• Strong understanding and practical experience of enterprise infrastructure across cloud, hybrid, and network environments, including scripting and automation
• Practical knowledge of modern Microsoft cloud, endpoint, and identity platforms, including Azure, Intune/Autopilot, and Microsoft 365
• Strong working knowledge of enterprise networking, firewalls, switching, routing, VPNs, and related connectivity services
• Good practical understanding of ITIL-based live service environments, particularly Incident, Change, and Problem Management
• Awareness of endpoint, identity, and infrastructure security controls and how they are applied operationally
• Knowledge of monitoring, alerting, and operational supportability concepts
• Principal-level experience or recent experience in a similar Senior Infrastructure Engineer role

Responsibilities:

• Provide 3rd line troubleshooting across infrastructure, cloud connectivity, identity, endpoint, and networking-related issues
• Support and maintain core enterprise infrastructure and networking platforms
• Support and implement infrastructure services across Azure and hybrid environments, including dependencies between cloud, identity, network, and endpoint platforms
• Create automated script-based deployments of infrastructure, network, and configuration changes
• Support cloud and hybrid infrastructure change, including migrations, simplification, and service improvements
• Provide technical depth across core technology estate spanning infrastructure, cloud operations, and network infrastructure
• Strengthen 3rd line operational capability in a service-led environment

Technologies:

• AI
• Azure
• Cloud
• Firewall
• Support
• ITIL
• Microsoft 365
• Network
• Security
• Office 365

More:

We are a small dynamic team based in Central London, and this is an exciting career opportunity for a Senior Infrastructure Engineer with strong networking, cybersecurity, cloud, and principal-level experience. The role offers a mix of project work and BAU, with the chance to support our core technology estate and contribute to organisational growth using AI and digital. We encourage minorities, women, LGBTQ+ candidates, and individuals with disabilities to apply, and we are moving quickly with interviews taking place this week.

last updated 35 week of 2026