IT Infrastructure & Security Manager

London (Hybrid) Professional Services | Regulated Environment A leading professional services firm is hiring an IT Infrastructure & Security Manager to take ownership of its infrastructure, cloud, and security agenda and drive a long-overdue transition to Microsoft Azure.Reporting to the Head of Technology, this role will define the Azure strategy and 3-year roadmap, lead infrastructure and security governance, and provide the senior leadership needed to deliver a secure, resilient, and scalable environment. This is a leadership-led role with architectural ownership, supported by internal teams and delivery partners.Key Responsibilities• Own infrastructure and cloud strategy, including on-prem to Azure migration• Define architecture standards, security policies, and governance frameworks• Lead ISO27001 compliance and Cyber Essentials Plus readiness• Establish infrastructure lifecycle, change, and configuration management (CMDB)• Lead and develop a small infrastructure team• Provide clear reporting on risk, resilience, and progress to senior stakeholders Key Requirements• Strong background in infrastructure and security within a regulated or professional services environment• Proven experience delivering cloud migration and infrastructure transformation (Azure)• Solid understanding of Microsoft 365, Azure AD, networking, virtualisation, and security controls• Confident senior stakeholder engagement — able to influence lawyers, partners, and leadership• Leadership-led mindset with strong technical credibilityThis is a critical hire with clear ownership, senior visibility, and the opportunity to shape the firm’s technology future.