Infrastructure Specialist | City of London | £65,000 – £85,000 + Excellent Benefits

Company: i3
Apply for the Infrastructure Specialist | City of London | £65,000 – £85,000 + Excellent Benefits
Location: London
Job Description:

Infrastructure Specialist – City of London – £65,000‑£85,000 + Excellent Benefits + On‑call

I’m currently partnering with a highly reputable London Market Insurer looking to hire an experienced Infrastructure Specialist to join their growing IT Infrastructure team based in the City of London.

This is a fantastic opportunity for a strong 3rd Line / Infrastructure professional who enjoys working across BAU, projects, service improvement, and core infrastructure support within a complex enterprise environment.

We’re particularly keen to speak with candidates who are immediately available or on short notice periods.

Key Responsibilities

  • Supporting and maintaining core infrastructure services
  • Acting as a technical lead on infrastructure change initiatives
  • Managing and improving monitoring, backup, DR, and patching solutions
  • Supporting Windows Server, Active Directory, VMware, and cloud environments
  • Working across both operational support and strategic infrastructure projects
  • Providing 3rd line escalation support across the business
  • Managing storage and virtualization technologies
  • Weekend work paid at time and a half
  • Hybrid working – minimum 1 day per week in the office (business needs dependent)

Location

City of London

On‑call Rota

The successful candidate will join the on‑call rota after probation (approximately 1 week in every 10 weeks).

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Posted: June 6th, 2026