Microsoft Platform Engineer

Adecco; Wembley; On-site; GBP 45,000 - 50,000; Full time

Job summary

Adecco in Wembley is seeking a Senior Microsoft Platform Engineer to maintain and enhance a hybrid estate spanning on-premises infrastructure, Microsoft 365 and public cloud platforms. This role focuses on cloud transformation, platform automation and identity management to support secure, scalable environments.

You will work on-site five days a week and contribute to migration, security governance and operational excellence, leveraging expertise in Microsoft 365, Azure and hybrid architectures.

Qualifications

• 5+ years experience within Infrastructure, Microsoft 365, Cloud or Platform Engineering.
• Strong hands-on administration experience across Microsoft 365.
• Experience supporting hybrid Microsoft environments.
• Excellent troubleshooting and stakeholder communication skills.

Responsibilities

• Administer and optimise Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive and Intune
• Manage identity and access across Active Directory and Entra ID
• Design and support hybrid cloud infrastructure across Azure and on-premises environments
• Implement and maintain SSO, MFA and Conditional Access policies
• Support Microsoft 365 security, governance and compliance initiatives
• Manage hybrid connectivity including VPNs, DNS, routing and firewall integrations
• Automate operational processes through PowerShell, Terraform and Infrastructure-as-Code practices
• Support platform monitoring, patching, resilience and disaster recovery
• Deliver cloud migration, transformation and optimisation projects
• Produce and maintain technical documentation and operational standards
• Work closely with infrastructure, networking, security and service teams to improve platform performance and reliability

Skills

Microsoft 365 admin

Exchange Online

Teams

SharePoint Online

Intune

Entra ID

Active Directory

Azure cloud

PowerShell

Networking fundamentals

Windows Server

Security & governance

Tools

Terraform

VMware

Job description

Salary: £45,000 - 50,000 per year

Requirements:

• 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
• Experience with Microsoft Defender suite, Microsoft Purview, Microsoft Sentinel, VMware or Azure DevOps would be advantageous

Responsibilities:

• Administer and optimise Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive and Intune
• Manage identity and access across Active Directory and Entra ID
• Design and support hybrid cloud infrastructure across Azure and on-premises environments
• Implement and maintain SSO, MFA and Conditional Access policies
• Support Microsoft 365 security, compliance and governance initiatives
• Manage hybrid connectivity including VPNs, DNS, routing and firewall integrations
• Automate operational processes through PowerShell, Terraform and Infrastructure-as-Code practices
• Support platform monitoring, patching, resilience and disaster recovery
• Deliver cloud migration, transformation and optimisation projects
• Produce and maintain technical documentation and operational standards
• Work closely with infrastructure, networking, security and service teams to improve platform performance and reliability

Technologies:

• Active Directory
• Azure
• Cloud
• DevOps
• Firewall
• Support
• Microsoft 365
• PowerShell
• Security
• SharePoint
• Terraform
• VMware
• Windows
• Office 365

More:

We are a growing technology team based in Wembley, working fully on-site five days a week. We are seeking a Senior Microsoft Platform Engineer to help maintain and enhance 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 while helping shape a secure and scalable technology environment. The role offers a permanent position with benefits.

last updated 36 week of 2026