Microsoft Platform Engineer (Azure & Microsoft 365)

Adecco; Wembley; On-site; GBP 45,000 - 55,000; Full time

Benefits offered by this job

Permanent Benefits

Job summary

Adecco Wembley is seeking a Senior Microsoft Platform Engineer to own and optimise core Microsoft platforms across cloud and on‑premises environments. You will drive hybrid architecture and automation, focusing on security, resilience and performance.

The role requires strong experience with Microsoft 365, Azure, Entra ID and PowerShell, plus hands-on administration of Exchange Online, SharePoint Online and Intune. On‑site work is required.

Qualifications

• 5+ years in Infrastructure, Microsoft 365, Cloud or Platform Engineering.
• Hands-on administration across Microsoft 365.
• Exchange Online, Teams, SharePoint Online, Intune and Entra ID experience.
• Hybrid Microsoft environments experience.

Responsibilities

• Own core Microsoft platforms across cloud and on‑premises.
• Ensure availability, security and operational excellence.
• Administer and optimise M365 services (Exchange Online, Teams, SharePoint Online, OneDrive and Intune).
• Manage identity and access with Active Directory and Entra ID.
• Design hybrid infrastructure across Azure and on‑premises.
• Implement SSO, MFA, and Conditional Access.
• Support M365 security, compliance and governance.
• Automate operations with PowerShell, Terraform and IaC.
• Produce documentation and maintain standards.

Skills

Microsoft 365 administration

Exchange Online

SharePoint Online

Intune

Entra ID

Azure

PowerShell scripting

Active Directory

Networking fundamentals

Troubleshooting

Tools

Terraform

Azure DevOps

Job description

Senior Microsoft Platform Engineer (Azure & Microsoft 365)

Wembley - Fully On-Site

£50,000 per annum + Permanent Benefits

We're seeking a Senior Microsoft Platform Engineer to join a growing technology team responsible for maintaining and enhancing a complex hybrid estate spanning on-premises infrastructure, Microsoft 365 and public cloud platforms.

This is an opportunity to play a key role in cloud transformation, platform automation, identity management and Microsoft 365 optimisation whilst helping shape a secure and scalable technology environment.

What You'll Be Doing

You'll take ownership of core Microsoft platforms and services across both cloud and on-premises environments, ensuring availability, security and operational excellence.

Your responsibilities will include:

• Administering and optimising Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive and Intune
• Managing identity and access across Active Directory and Entra ID
• Designing and supporting hybrid cloud infrastructure across Azure and on-premises environments
• Implementing and maintaining SSO, MFA and Conditional Access policies
• Supporting Microsoft 365 security, compliance and governance initiatives
• Managing hybrid connectivity including VPNs, DNS, routing and firewall integrations
• Automating operational processes through PowerShell, Terraform and Infrastructure-as-Code practices
• Supporting platform monitoring, patching, resilience and disaster recovery
• Delivering cloud migration, transformation and optimisation projects
• Producing and maintaining technical documentation and operational standards

Working closely with infrastructure, networking, security and service teams to improve platform performance and reliability

What We're Looking For

We're looking for an experienced Microsoft platform professional with a strong blend of infrastructure, cloud and M365 expertise.

• 5+ years' experience within Infrastructure, Microsoft 365, Cloud or Platform Engineering
• Strong hands-on administration experience across Microsoft 365
• Expertise in Exchange Online, Teams, SharePoint Online, Intune and Entra ID
• Experience supporting hybrid Microsoft environments
• Strong Active Directory and identity management experience
• Experience with Azure cloud services
• PowerShell scripting and automation experience
• Good understanding of networking fundamentals including DNS, VPNs, routing and firewalls
• Experience supporting Windows Server environments
• Knowledge of platform security, monitoring, backup and disaster recovery
• Excellent troubleshooting and stakeholder communication skills

Desirable Experience

• Microsoft Defender suite
• Microsoft Purview
• Microsoft Sentinel
• VMware
• Azure DevOps