## Context Multi-tenant SharePoint 2010 platform providing both internet and intranet access for multinational clients. ## My role Solution Architect & SharePoint Technical Lead: led a team (10+ dev/test), set milestones, and ensured delivery quality. ## Key technical elements - **Federation / SSO** with **ADFS 2.0** - Secure external access using **SSL** and **reverse proxy** (IIS ARR / URL Rewrite patterns) - Integration with ticketing/incident system (e.g., Remedy) for operational workflows ## Why it matters This case demonstrates enterprise infrastructure capabilities end to end: identity federation, perimeter security, multi-tenancy, and operational integration — the foundations that keep a shared platform secure and reliable for multinational clients. ## Tech stack SharePoint 2010 Enterprise, Active Directory, ADFS 2.0, IIS reverse proxy/ARR, SSL, .NET/C#, SQL Server.