Microsoft Teams Subject Matter Expert (SME)- 6-Month Contract - London We are seeking a highly experienced Microsoft Teams Subject Matter Expert (SME) to support and enhance enterprise-scale collaboration and communication services. This role sits at the heart of a complex, high-availability Microsoft 365 environment supporting a large, business-critical user base across a regulated enterprise/customer industry. Key Responsibilities Provide Level 3 support for Microsoft Teams collaboration, conferencing, and voice services. Monitor system health, respond to alerts, and manage incidents proactively. Troubleshoot complex issues and perform root cause analysis (RCA) for service improvements. Configure and manage Teams policies, channels, messaging, meetings, and app integrations. Support Teams Voice, Microsoft Calling Plans, and related telephony configurations. Test and validate new Teams features to enterprise standards and raise necessary changes What You Will Ideally Bring Microsoft Teams SME with 10-12 years of hands-on enterprise experience across Teams collaboration and voice workloads. Strong expertise in PowerShell Scripting, Microsoft Graph, Teams PowerShell, and automation. Deep understanding of Teams Voice, Microsoft Calling Plans, licensing, and communication credits. Proven experience with enterprise troubleshooting and RCA, including CQD, QER, and log analysis. Hands-on experience planning, designing, and implementing Microsoft 365 services at scale. Knowledge