Senior Infrastructure Engineer

This range is provided by F5 Consultants. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Package: £70,000 - £75,000 + up to 15% bonus + profit share scheme

Hybrid - City of London (3 days per week in office, remainder WFH)

This is an opportunity to join an established 8-person Platforms & Infrastructure team, within a global and leading law firm, responsible for cloud (Azure), network, and virtual infrastructure across a complex enterprise environment.

You will work closely with the Team Manager, providing technical leadership across day-to-day IT operations and project delivery, and acting as a senior escalation point for the team.

This is a permanent, hybrid role based in City of London (3 days in the office, 2 days working from home).

• Support the Team Manager with technical leadership, acting as a senior escalation point and deputy where required.
• Lead and contribute to Azure migrations and ongoing cloud infrastructure management.
• Support and operate Microsoft 365, Azure IaaS/PaaS, Teams, Exchange Online, and integrated SaaS platforms.
• Manage and support on-premises VMware infrastructure alongside Azure environments.
• Support enterprise networking and security, including firewalls, routing, Zscaler, SD-WAN, and connectivity services.
• Work within ITIL-aligned Incident, Change, and Problem Management processes.
• Collaborate across IT and business teams, with opportunities to develop into Dev Ops or Cyber Security areas.
• Use Power Shell extensively for automation, platform management, and operational improvement.
• Support and manage Extreme Networks Wi‑Fi and switching, including cloud‑managed environments.

• Technical leadership experience, including leading 3rd line support teams delivering infrastructure operations and project-based work.
• Hands‑on experience with Azure networking, including VNets, Express Route, and load balancing.
• Strong technical experience across the Azure platform, covering IaaS, PaaS, SaaS, and Azure security services.
• Strong enterprise networking expertise, including LAN/WAN, VPNs, firewalls, load balancers, and Wi‑Fi deployments.
• Experience supporting physical and virtual infrastructure across on‑prem and cloud environments.
• Proficiency in automation and scripting, using Power Shell and/or Terraform.

• Annual performance bonus up to 15%.
• 25 days holiday (plus the 8 bank holidays) with option to buy or sell up to 5 holiday days.
• Pension 5%-8% employer contribution.
• Private medical insurance and optional dental cover.
• Enhanced family leave (maternity, adoption, shared parental).
• Discounts on gyms, retail, travel and energy.

Mid‑Senior level

Full‑time

Information Technology

Professional Services and Legal Services