Infrastructure & Security Manager

Company: La Fosse
Apply for the Infrastructure & Security Manager
Location: Milton Keynes
Job Description:

IT Infrastructure & Security Manager | Milton Keynes | Hybrid | £75 000

I’m working with a large, multi-site organisation looking to appoint an IT Infrastructure & Security Manager to take ownership of its core infrastructure and security estate.

This is a broad leadership position combining Infrastructure, Cyber Security, Operations, Architecture and Supplier Management.

You’ll lead a small team of Infrastructure Engineers and take responsibility for the stability, availability and security of a complex technology estate spanning:

  • LAN / WAN / WLAN
  • Cloud infrastructure
  • Identity & Access Management
  • End User Computing
  • Security technologies including SIEM, EDR/XDR, ZTNA, CASB and next-generation firewalls
  • Monitoring and observability
  • DR / BCP
  • Managed service providers

We’re particularly interested in people who have worked across complex, multi-site environments such as retail, hospitality, leisure, FMCG or similar.

You’ll need strong infrastructure foundations combined with enough cyber security expertise to drive a genuine security-by-design approach.

Experience with frameworks such as NIST, ISO27001, Cyber Essentials+ or PCI-DSS would be advantageous.

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Posted: September 14th, 2026