IT Operational Platforms and Security Lead

La Fosse Associates; City Of London; Hybrid; GBP 85,000 - 95,000; Full time

Job summary

A leading global insurer is seeking an IT Operational Platforms & Security Lead in London. This pivotal role entails leading infrastructure operations and driving cloud transformation while enhancing cybersecurity across a global technology estate. The ideal candidate will have strong experience with Microsoft Azure and Microsoft 365, along with a leadership mindset to manage teams and influence continuous improvement. The position offers a hybrid work model along with competitive compensation.

Qualifications

• Proven experience in IT infrastructure operations and Microsoft Azure.
• Deep technical expertise in Microsoft 365 (Exchange, SharePoint, Teams, Intune).
• Strong background in cybersecurity, including Zero Trust, IAM.

Responsibilities

• Lead and evolve infrastructure operations across Azure, Microsoft 365, and hybrid cloud environments.
• Drive cloud migration, lifecycle management, and reduction of technical debt.
• Enhance and secure the global IT estate.

Skills

IT infrastructure operations

Microsoft Azure

Microsoft 365

cybersecurity

leadership mindset

Tools

Microsoft Defender

Microsoft Sentinel

Job description

Overview

ITOperationalPlatforms&SecurityLead

GlobalInsurance|Cloud-FirstTransformation

London (Hybrid – 3 days in office)

£85,000–£95,000 + Benefits

LaFosse is partnered with a leading global insurer to appoint an IT Operational Platforms & Security Lead. A key leadership role driving infrastructure operations, cloud transformation, and cybersecurity excellence across a complex, global technology estate.

The Opportunity

You’ll take ownership of the company’s infrastructure and security platforms, leading a small in-house team and managing an MSP to deliver a secure, resilient, and scalable IT environment.

This is a hands-on leadership role; strategic in thought to shape direction, but close enough to the technology to make a difference day-to-day.

Key Responsibilities

• Lead and evolve infrastructure operations across Azure, Microsoft365, and hybrid cloud environments
• Drive cloud migration, lifecycle management, and reduction of technical debt
• Enhance and secure the global IT estate, including patching, IAM, endpoint protection, and monitoring
• Own and optimise disaster recovery, business continuity, and compliance (ISO27001, GDPR, FCA)
• Oversee third-party vendors to ensure performance, SLAs, and service delivery are met
• Embed DevOps principles and automation to increase efficiency and reliability

What You’ll Bring

• Proven experience in IT infrastructure operations and Microsoft Azure
• Deep technical expertise in Microsoft365 (Exchange, SharePoint, Teams, Intune)
• Strong background in cybersecurity, including Zero Trust, IAM, and tools such as Defender and Sentinel
• Hands-on technical capability with the confidence to step in when required
• A leadership mindset – influencing, challenging, and driving continuous improvement
• Experience managing global teams and outsourced partners

Why Join

This is a pivotal opportunity to shape the future of IT operations and security within a truly global, cloud-first organisation. You’ll have the autonomy, support, and senior buy-in to drive meaningful change and deliver a modern, secure technology platform.

Interested?

Apply now or reach out to me directly: [e-mail]

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