Senior Infrastructure Engineer

McCabe & Barton; England; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading recruitment firm is seeking a Senior Infrastructure Engineer in London for a hybrid role. You will provide high-level IT support to executive stakeholders, manage Microsoft 365 services, and maintain hybrid environments. The ideal candidate should have experience in Level 2/3 support and strong communication skills to effectively engage with both technical and non-technical users. This position offers a competitive salary with excellent bonuses and benefits.

Benefits

Competitive salary

Excellent bonus

Comprehensive benefits package

Qualifications

• Experience in providing high-level technical support in enterprise environments.
• Ability to manage sensitive issues and maintain professionalism.
• Excellent communication skills to interact with non-technical stakeholders.

Responsibilities

• Deliver VIP IT support to executive stakeholders.
• Manage Microsoft 365 services including Exchange and Teams.
• Maintain hybrid infrastructure including Windows Server and Azure.
• Troubleshoot network issues to ensure uptime.
• Lead major incident resolution and root cause analysis.

Skills

Level 2 / 3 technical support

Microsoft 365 administration

Customer service skills

Network troubleshooting

Relationship management

Tools

Windows 10 / 11

Microsoft Exchange Online

VMware

Azure

Intune

Job description

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.