Senior Infrastructure Engineer

McCabe & Barton; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading investment management firm is seeking a highly skilled Senior Infrastructure Engineer in London. This role focuses on delivering exceptional IT support to executive users while managing cloud operations and core infrastructure services. Candidates should have strong technical skills and proven experience in Level 2/3 support. The position emphasizes a service-oriented approach and proactivity in managing user needs, making it ideal for communicative professionals. This permanent position offers a hybrid work model, ensuring flexibility and work-life balance.

Benefits

Competitive salary

Excellent bonus and benefits

Qualifications

• Experienced in Level 2/3 technical support within enterprise or financial environments.
• Calm under pressure and capable of managing competing priorities effectively.
• Strong communicator able to translate technical issues for non-technical stakeholders.

Responsibilities

• Deliver white-glove IT support to executive stakeholders.
• Provide Level 2/3 support across Windows 10/11, iOS, and enterprise productivity tools.
• Manage Exchange Online, SharePoint, OneDrive, Teams, and Azure AD.

Skills

Level 2/3 technical support

Microsoft 365 administration

Communication for non-technical stakeholders

Cloud operations

Proactive service management

Job description

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.