Infrastructure Engineer

JR United Kingdom; Amersham; On-site; GBP 50,000 - 80,000; Full time

Job summary

A leading company is seeking an experienced Infrastructure Engineer to join their dynamic team in Amersham. This role involves delivering high-impact M365 tenant migrations, optimizing Azure infrastructure, and maintaining on-premises systems. The ideal candidate will have strong expertise in Microsoft 365 and Azure, with a proven track record in IT infrastructure projects. This position offers a unique opportunity to influence strategic decisions in a collaborative environment.

Qualifications

• Proven experience delivering IT infrastructure projects in global or multi-entity environments.
• Strong expertise in Microsoft 365 (Exchange, SharePoint, Intune).
• In-depth knowledge of Azure infrastructure and identity management.

Responsibilities

• Lead and execute end-to-end M365 tenant migrations.
• Review and improve Azure environments.
• Produce clear architectural documentation.

Skills

Microsoft 365

Azure infrastructure

PowerShell scripting

Communication

Tools

Quest On Demand

ShareGate

BitTitan

Job description

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Location: Amersham (Hybrid, 3 days on-site)

An exciting opportunity has opened for an experienced Infrastructure Engineer to join a dynamic and fast-paced environment. This role is ideal for someone who thrives in complex environments and is confident working across Microsoft 365, Azure, and on-premises infrastructure.

You’ll be responsible for delivering high-impact M365 tenant migrations, reviewing and optimising Azure infrastructure, and ensuring smooth integration between cloud and on-prem systems. This is a hands-on role with plenty of variety, working closely with the M365 Technical Lead and stakeholders across the group.

Key Responsibilities:

• Lead and execute end-to-end M365 tenant migrations, ensuring full data and workflow migration with minimal disruption.
• Review and improve Azure environments across the organisation, ensuring alignment with the Microsoft Well-Architected Framework (Cost, Security, Reliability, Performance, Operational Excellence).
• Maintain and support on-premises infrastructure, ensuring stability and seamless integration with cloud systems.
• Produce clear and accurate architectural documentation and diagrams.
• Provide technical guidance on new technologies and help implement best-in-class solutions across group companies.
• Ensure adherence to robust change control processes.
• Collaborate with HQ and regional teams to drive consistency and excellence in infrastructure services.
• Stay current with evolving technologies and recommend updates to keep infrastructure aligned with industry standards.

Key Requirements:

• Proven experience delivering IT infrastructure projects in global or multi-entity environments.
• Strong expertise in Microsoft 365 (Exchange, SharePoint, Intune, Entra ID, Security & Compliance).
• In-depth knowledge of Azure infrastructure, including identity and access management (Azure AD, Azure AD Connect, MFA, Conditional Access).
• Solid background in managing and supporting on-premises infrastructure.
• Proficient in PowerShell scripting.
• Hands-on experience with migration tools such as Quest On Demand, ShareGate, and BitTitan.
• Strong communicator with the ability to simplify complex technical issues for non-technical users.
• Track record of successful delivery of infrastructure solutions across multiple business units or clients.

This role offers a unique opportunity to work across a broad and varied technical landscape, influence strategic infrastructure decisions, and make a tangible impact in a collaborative, forward-thinking environment.