> Markdown version of [/jobs/ext/4544791-m365-collaboration-architect](https://www.wearedevelopers.com/jobs/ext/4544791-m365-collaboration-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # M365 Collaboration Architect - **Company:** Learn Beyond Consulting LLC - **Location:** United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Automation of Tests, Microsoft Online Services, Business Software, Network Architecture, Routing, Windows PowerShell, Migration Manager, Microsoft SharePoint, Microsoft Sharegate, Microsoft Onedrive - **Published:** November 3, 2026 - **Apply:** https://www.dice.com/job-detail/d8a064fe-211b-4d09-8582-e6763540f2c1 ## About the Role * 8+ years of experience in Microsoft 365 architecture, administration, and migration. * Proven experience owning and delivering cross-tenant M365 migrations into large enterprise production environments. * Strong expertise in Exchange Online, Exchange Hybrid, and mail routing. * Hands-on experience with Quest On Demand Migration. * Experience with Microsoft Purview, including retention, DLP, and eDiscovery. * Strong PowerShell scripting and Microsoft Graph API automation skills. * Experience with Teams, SharePoint Online, and OneDrive migrations. * Strong understanding of tenant coexistence and cutover strategies., * Experience with Microsoft Teams telephony migration. * Exposure to ShareGate, BitTitan, or AvePoint migration tools. * Microsoft 365 Certified: Administrator Expert or Enterprise Administrator Expert certification. * Previous experience leading engineers in enterprise migration projects. ## Description We are seeking an experienced M365 Collaboration Architect to lead the migration and integration of Microsoft 365 collaboration services from acquired company tenants into a large enterprise parent tenant. The role involves designing and executing cross-tenant migrations for Exchange Online, Microsoft Teams, SharePoint, and OneDrive while maintaining seamless collaboration between users across both environments., * Lead the discovery and assessment of existing Microsoft 365 environments, including Exchange, Teams, SharePoint, OneDrive, mail routing, tenant policies, and file shares. * Design cross-tenant migration strategies, including mail routing, coexistence, migration waves, and cutover planning. * Implement cross-tenant collaboration using B2B, cross-tenant synchronization, free/busy sharing, and Teams federation. * Manage migration of Exchange Online mailboxes, Teams, SharePoint sites, and OneDrive data. * Assess the impact of Microsoft Purview policies, including retention, DLP, and eDiscovery, during tenant consolidation. * Identify dependencies involving shared mailboxes, line-of-business applications, identity, and network infrastructure. * Perform hands-on migrations using Quest On Demand Migration. * Develop automation scripts using PowerShell and Microsoft Graph API. * Lead and coordinate a team of 2-3 engineers throughout migration planning and execution.