Senior Infrastructure Engineer Location: London | Hybrid: 4 days per week | Type: Permanent Salary: Competitive with excellent bonus and benefits McCabe & 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 & Executive Support: Deliver white-glove IT support to executive stakeholders, handling sensitive issues with discretion, urgency, and professionalism. Desktop & 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 & Cloud Operations: Maintain hybrid environments across Windows Server, VMware, and Azure. Oversee performance monitoring, patching, cost management, backups, and disaster recovery processes. Network & Connectivity: Troubleshoot TCP/IP, DNS, DHCP, VPNs, SD-WAN, and remote access solutions, ensuring maximum uptime for both on-site and remote users. Identity & Access Management: Administer Active Directory, group policies, MFA, conditional access, and privileged accounts following best-practice security principles. Incident & Problem Management: Lead major incident resolution and root cause analysis, coordinating cross-functional teams and implementing preventative actions. Mobile & Remote Support: Support iOS devices via Intune, configure secure connectivity, and optimize technology for home-based and hybrid users. Audio-Visual Systems: Manage Teams and Zoom platforms, boardroom AV systems, and hybrid meeting setups, providing seamless support for high-profile meetings. Proactive Service Management: Anticipate and address user needs, maintain executive asset registers, and help drive continuous service improvements. About You Experienced in Level 2/3 technical support within enterprise or financial environments. Strong communicator able to translate technical issues for non-technical stakeholders. Calm under pressure and capable of managing competing priorities effectively. Highly personable with a proactive, client-focused mindset. How to Apply If your background aligns with the requirements above, please apply with an up-to-date CV.