Executes Microsoft 365 tenant migrations, mailbox/data migrations, and DNS cutovers for acquired entities, ensuring a seamless transition to the client's collaboration workplace.
Reports to: Project Lead / Collaboration Lead
Key Responsibilities
Plan and execute O365 tenant-to-tenant or cross-forest mailbox migrations
Manage DNS record changes and cutover sequencing for mail flow, SharePoint, and Teams
Configure and validate Exchange Online, OneDrive, and SharePoint Online post-migration
Coordinate migration windows with the Project Lead and affected business units
Troubleshoot mail flow, licensing, and data migration issues during and after cutover
Document migration runbooks and rollback procedures
Support user communication and readiness activities ahead of cutover
Required Qualifications
5+ years hands-on experience with Microsoft 365 administration and migration tools (e.g., BitTitan, Quest, native O365 tools)
Robust understanding of Exchange Online, Azure AD/Entra ID, DNS, and mail flow
Experience with tenant-to-tenant migrations in M&A; or divestiture scenarios
Preferred Qualifications
Microsoft 365 Certified: Administrator Expert (or equivalent)
Experience with hybrid Exchange settings and PowerShell scripting for migration automation