IT Infrastructure Engineer

IT Infrastructure Engineer - London

Marshall Wolfe are hiring on behalf of our client, a Senior Infrastructure Support Engineer, to oversee and enhance a complex international technology estate spanning on-premises infrastructure, cloud services, Microsoft 365, networking, cybersecurity, and end-user technologies.

The Role

You'll play a key role in maintaining, securing, and evolving enterprise infrastructure across multiple international locations. Acting as a senior technical escalation point, you'll work closely with internal teams and external technology partners while leading infrastructure projects from design through to delivery.

Key Responsibilities

• Manage and optimise Windows Server, Active Directory, virtualisation, storage, backup and disaster recovery environments.
• Support and develop Azure infrastructure, including networking, governance, VMs, VPNs and disaster recovery solutions.
• Administer Microsoft 365 services, including Exchange Online, SharePoint, Teams, OneDrive and Purview.
• Lead endpoint management and modern workplace initiatives using Intune and Autopilot.
• Manage identity and access controls across hybrid Active Directory and Microsoft Entra ID environments.
• Oversee network security technologies including firewalls, VPNs and switching infrastructure.
• Lead global infrastructure projects and coordinate third-party suppliers and MSPs.
• Support vulnerability remediation, cyber security initiatives and compliance programmes.

Requirements

• Strong experience within IT Infrastructure
• Windows Server, VMware and/or Hyper-V environments.
• Azure IaaS, networking and cloud governance.
• Microsoft Entra ID, Conditional Access, PIM and Single Sign-On.
• Microsoft Intune, Autopilot and endpoint security management.
• Microsoft 365 administration and collaboration platforms.
• Backup, disaster recovery and enterprise security best practices.
• Managing vendors, stakeholders and delivering technical projects.

Desirable Skills

• Palo Alto Firewalls and GlobalProtect.
• Cisco Switching and Cisco ISE.
• Citrix / NetScaler.
• Azure AI Foundry, Power Platform or Power BI/Fabric.
• ITIL, Microsoft Azure/M365 certifications, CCNA or relevant degree.

Location: London (hybrid - 4 days on site per week)

This is the chance to join a global organisation with excellent career-growth opportunites. Please apply with your CV in the first instance.