Title: Senior Microsoft 365 Platform Engineer Location: Remote (Seattle WA) Duration: 6+ months Job Description: The Legal Technology organization is seeking a Senior Microsoft 365 Platform Engineer to help build and operationalize Legal's next-generation document management, knowledge management, workflow automation, and AI foundation. This engineer will implement the platform capabilities that support Legal's migration away from Passport and establish the technical foundation required for Thomson Reuters Legal Tracker, Legal Front Door, Microsoft Copilot, Copilot Studio, and future agentic workflow capabilities. Legal Tracker serves as the system of record for matter management and eBilling, while SharePoint becomes the document and knowledge-management foundation. This is a hands-on engineering role responsible for designing and building integrations, provisioning systems, workflow automation, metadata services, governance implementation, migration tooling, and AI-ready knowledge architectures. Responsibilities: Design and build matter-centric document-management solutions within Microsoft 365. Implement SharePoint Online workspaces and matter-site architectures. Build reusable provisioning frameworks and platform services. Implement metadata and taxonomy standards. Support Microsoft Teams, Word, PDF, and collaboration integrations. Design solutions capable of supporting millions of documents and enterprise-scale growth. Legal Tracker Integrations Workflow & Automation Knowledge Management & AI Readiness Security & Governance Implementation Migration Engineering Platform Foundation for Legal Front Door Required Qualifications: 10+ years engineering Microsoft-based enterprise platforms. 5+ years of SharePoint Online engineering experience. Strong experience with Microsoft Graph, Power Automate, Power Apps, Azure Functions, REST APIs, Entra ID, PowerShell, CI/CD, Git Experience building enterprise workflow and automation solutions. Experience implementing document-management platforms. Experience designing and implementing enterprise integrations. Experience building scalable provisioning and lifecycle-management services. Experience working independently in greenfield environments. Preferred Qualifications: Microsoft Copilot, Copilot Studio, Microsoft Purview, Information Governance, Legal Technology, Legal Operations, iManage, NetDocuments, Knowledge Management Platforms, -enabled enterprise search, Document-management migrations, Azure AI services