Systems Infrastructure Eng, MSoft, Networks, Security, NW1 £70k

Company: Langley James HR & IT Recruitment
Apply for the Systems Infrastructure Eng, MSoft, Networks, Security, NW1 £70k
Location: London
Job Description:

Senior IT Support Engineer vacancy with a Companies Head office based in the City of London.

Travel to group offices and sites – £40,000 to £50,000 + £4,000 car allowance | Permanent | Five days on site

he head office of group of four companies, with a dozen offices and project sites across England, is looking for a senior engineer who owns infrastructure rather than escalating it.

This is second and third line with genuine infrastructure ownership, not a service desk seat. First line sits with a managed service partner.

The IT team is three people supporting around 270 users, so the work is broad. Tickets one day, a site network build the next.

You’ll work alongside the existing Senior IT Support Engineer, not beneath him.

The estate

A Microsoft estate across all four companies:

  • .

The work

  • Second and third line escalations across every company in the group
  • Building and segmenting networks at new sites
  • Managing the Windows endpoint estate: imaging, deployment, patching and compliance
  • Server builds, backup and recovery
  • Bringing acquired companies and their tenants onto the estate
  • Taking projects from scoping to handover and holding suppliers to account

What you’ll bring

  • A track record of owning infrastructure, not escalating it
  • Strong Windows Server and Microsoft 365 administration
  • Endpoint management at scale with Intune, SCCM or similar
  • A full UK driving licence and a willingness to get out to sites

Sector experience isn’t needed. Certifications are welcome, but what you’ve built matters more.

Why apply

A small team means your work is seen, your judgement is trusted and no two weeks are the same.

Desired Skills and Experience

Entra ID, Conditional Access and Intune

SCCM moving to co management with Intune

Windows Server and Hyper-V

Microsoft 365, Exchange Online and Azure

Networking across offices and sites: switching, firewalls, wireless and VPN

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Posted: October 15th, 2026