Senior Infrastructure Engineer - Networking

Salary: £33,000 - 71,000 per year

• Strong hands-on Fortinet 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 these are applied operationally.
• Knowledge of monitoring, alerting and operational supportability concepts.
• Recent experience in a similar Senior Infrastructure Engineer role.
• Ability to hit the ground running and apply best-practice technical lessons in a new environment.

• Provide technical depth across our core technology estate.
• Take responsibility for infrastructure, cloud operations and network infrastructure.
• Strengthen 3rd line operational capability in a service-led environment.
• Support and maintain core enterprise infrastructure and networking platforms.
• Support and implement infrastructure services across Azure and hybrid environments.
• Manage 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.
• Perform 3rd line troubleshooting across infrastructure, cloud connectivity, identity, endpoint and networking issues.

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

More:

We are offering a permanent Senior Infrastructure Engineer opportunity in Central London within a small, dynamic team. This role sits across infrastructure, cloud operations and network infrastructure, with a mix of project work and BAU in a more service-led environment. We are driving organisational growth through AI and digital, and interviews will take place this week. We also encourage applications from minorities, women, LGBTQ+ candidates and individuals with disabilities.

last updated 36 week of 2026