Senior IT Infrastructure Engineer

Company: Gravitas Group
Apply for the Senior IT Infrastructure Engineer
Location: London
Job Description:

Senior Infrastructure Engineer

A specialist investment firm is looking for a hands‑on Senior Infrastructure Engineer to look after and improve its global infrastructure. You’ll work closely with teams across the business, from trading and operations to risk and compliance.

What you’ll do

  • Run and support day‑to‑day infrastructure across Azure, M365, networking, servers, storage and end‑user computing
  • Be the escalation point for complex incidents
  • Handle security controls, patching, vulnerability management and audit work
  • Take part in DR testing and resilience exercises
  • Deliver upgrades, migrations and modernisation projects
  • Work with vendors and managed service providers

What you’ll need

  • Strong hands‑on experience with Azure, M365, Entra ID/AD, Intune, Windows Server and VMware
  • Solid networking skills (routing, switching, firewalls, VPNs)
  • Storage, backup and DR experience
  • A background as a Senior Infrastructure Engineer, Specialist or Lead
  • Clear communication with technical and non-technical people

Nice to have

  • Financial services experience, ideally asset management or hedge funds
  • Bloomberg or trading system support
  • Zscaler (ZIA/ZPA), Linux or scripting
  • Infrastructure as Code

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Posted: October 21st, 2026