Microsoft 365 Engineer

Tasks

Senior Microsoft 365 Engineer

Location: London, UK
Contract: 4-Month Fixed Term Contract

Onsite role

Role Summary

We are seeking an experienced Senior Microsoft 365 Engineer to design, implement, administer, and optimize Microsoft 365 services across a large enterprise environment. The role focuses on collaboration, messaging, identity, security, governance, and automation within the Microsoft ecosystem.

Key Responsibilities

• Design and support Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, Power Platform, and Entra ID.
• Provide Tier 3 support for complex identity, collaboration, and messaging issues.
• Manage Microsoft 365 tenant administration, licensing, governance, and user lifecycle management.
• Implement and maintain security, compliance, retention, and information protection solutions.
• Administer Entra ID, Hybrid Identity, Conditional Access, MFA, and Identity Governance.
• Manage Exchange Online mail flow, transport rules, messaging security, and hybrid environments.
• Develop automation using PowerShell and Microsoft Graph API.
• Monitor platform health, performance, security, and adoption trends.
• Create technical documentation, operational procedures, and knowledge articles.
• Collaborate with security, infrastructure, and business teams on enterprise solutions.
• Mentor junior engineers and contribute to Microsoft 365 roadmap and architecture decisions.

Requirements

Required Skills & Experience

• 7+ years of infrastructure/platform engineering experience.
• 5+ years of Microsoft 365 engineering and administration experience.
• Strong hands-on expertise in:
• Exchange Online
• Microsoft Teams
• SharePoint Online
• OneDrive for Business
• Microsoft Entra ID
• Power Platform
• Experience with:
• Hybrid Identity and Active Directory integration
• Conditional Access and MFA
• Microsoft Purview, DLP, Sensitivity Labels, Retention & eDiscovery
• PowerShell scripting and automation
• Microsoft Graph API
• Enterprise-scale Microsoft 365 environments
• Governance, security, and compliance frameworks
• Git/GitHub

Preferred Skills

• Microsoft Defender for Office 365
• Microsoft Defender XDR
• Microsoft Copilot for Microsoft 365
• Power Apps, Power Automate, and Power BI administration
• Multi-tenant/global Microsoft 365 environments

Certifications (Preferred)

• Microsoft 365 Certified: Enterprise Administrator Expert
• Microsoft Certified: Identity and Access Administrator Associate
• Microsoft Certified: Messaging Administrator Associate

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