Office 365 Engineer - Contract International Banking Group London (near Moorgate) - Fully Onsite Inside IR35 Are you an Office 365 expert who loves solving complex messaging and collaboration challenges in a global environment? This is a great opportunity to join a major international banking group and play a key role in modernising and consolidating their O365, Exchange, Teams and e‑Discovery platforms. You'll be the go‑to Engineer and SME for O365, Exchange and Teams voice, leading delivery, troubleshooting and optimisation across a large, regulated enterprise. What you'll be doing Deliver and administer O365 services (Exchange Online, Teams, collaboration, e‑Discovery) with a focus on high availability, disaster recovery and security. Lead modernisation, integration and consolidation of messaging, collaboration and e‑Discovery platforms across multiple entities. Deliver and support Microsoft Teams video and voice to both BYOD and corporate desktops, including telephony integration and voice recording migrations. Perform 3rd line incident and problem management for O365/Exchange/Teams, identifying root cause and driving issues through to resolution. Maintain and patch Exchange servers, manage product lifecycle, and contribute to O365 roadmaps for Messaging and Collaboration. Create, maintain and improve technical documentation and SOPs, including implementation procedures and fallback/roll...