Microsoft 365 Messaging & Collaboration SME

This is an excellent opportunity for a hands-on Microsoft 365 specialist with strong experience across Exchange Online, Microsoft Teams, Microsoft Purview and enterprise email security solutions.

You will be responsible for engineering, maintaining and improving business-critical messaging and collaboration services, providing advanced technical support and delivering platform enhancements across a complex enterprise environment.

We are looking for someone who enjoys working hands-on with technology, resolving complex issues and acting as a technical subject matter expert., * Engineer, configure and maintain Microsoft 365 messaging and collaboration services.

• Administer and support Exchange Online, including mail flow, transport rules, shared mailboxes and permissions.
• Configure, maintain and troubleshoot Microsoft Teams.
• Support Exchange Hybrid environments, migrations and tenant optimisation.
• Implement platform improvements and new Microsoft 365 capabilities.

Security & Compliance

• Manage Microsoft Defender for Office 365, Exchange Online Protection and Proofpoint.
• Configure email security, anti-spam, anti-phishing and threat protection policies.
• Support Microsoft Purview, including DLP, Information Protection, Retention and eDiscovery.
• Maintain email authentication standards, including SPF, DKIM and DMARC.
• Work with Cyber Security teams to improve Microsoft 365 security and compliance.

Technical Support & Operations

• Provide Tier 3 technical support and act as an escalation point for complex issues.
• Troubleshoot Exchange Online, Teams, mail flow and email security incidents.
• Perform root cause analysis and implement permanent solutions.
• Monitor service performance, availability and platform health.
• Support incident, problem and change management.
• Maintain technical documentation and operational procedures.

Automation & Improvement

• Develop PowerShell scripts to automate Microsoft 365 administration.
• Use Microsoft Graph and administration tools to improve operational efficiency.
• Identify opportunities for automation and service improvement.
• Support Microsoft 365 Copilot readiness and emerging technologies.

• Minimum 5 years’ experience engineering and supporting Microsoft 365 environments.
• Strong hands-on experience with Exchange Online administration and troubleshooting.
• Extensive Microsoft Teams configuration and support experience.
• Practical experience with Microsoft Purview, including DLP and compliance policies.
• Experience with Microsoft Defender for Office 365 and Exchange Online Protection.
• Knowledge of enterprise email security platforms, ideally Proofpoint.
• Experience supporting Exchange Hybrid environments and migrations.
• Good understanding of Microsoft Entra ID and Conditional Access.
• Experience with Microsoft Intune.
• Strong PowerShell Scripting and automation skills.
• Experience using Microsoft Graph.
• Good understanding of SMTP, DNS, SPF, DKIM and DMARC.
• Proven experience providing Tier 3 support within enterprise environments.

Desirable Experience

• Microsoft 365 Copilot implementation and readiness.
• Teams Telephony.
• SharePoint Online and OneDrive administration.
• Azure Automation and Logic Apps.
• Microsoft Power Platform.
• Zero Trust security initiatives.
• Global or multi-tenant Microsoft 365 environments.
• ITIL service management and Agile delivery.

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