Location: London | Hybrid: 4 days per week | Type: Permanent Salary: Competitive with excellent bonus and benefits McCabe andamp; Barton are partnering with a leading investment management client in London to appoint a highly skilled Senior Infrastructure Engineer. This pivotal role requires a confident, service-oriented professional to deliver exceptional technical support to executive users while managing cloud operations, Microsoft 365 administration, and core infrastructure services. Role Overview This position plays a key role in ensuring seamless technology operations across the business. You will provide high-level infrastructure and end-user support, with a strong emphasis on VIP and C-suite service delivery. The ideal candidate combines deep technical knowledge with outstanding communication and relationship management skills. Key Responsibilities VIP andamp; Executive Support: Deliver white-glove IT support to executive stakeholders, handling sensitive issues with discretion, urgency, and professionalism. Desktop andamp; End-User Expertise: Provide Level 2/3 support across Windows 10/11, iOS, and enterprise productivity tools. Ensure consistent, high-performance user experiences for laptops, desktops, mobiles, AV equipment, and home office setups. Microsoft 365 Administration: Manage Exchange Online, SharePoint, OneDrive, Teams, and Entra ID (Azure AD), including mailbox management, permissions delegation, and priority user provisioning. Infrastructure andamp; Clou