Microsoft Teams Multi-Tenant Collaboration Setup

I require a detailed configuration of Microsoft Teams to facilitate collaboration with external partners.

Key Requirements:
- Multi-tenant configuration in Microsoft Teams
- Designed primarily for external collaborations

Access & Permissions Management:
- I need a comprehensive system for managing permissions and access for various tenant users.
- This includes a detailed management system rather than simple access controls.

Security Integration:
- A crucial aspect of this project is the integration of Microsoft Teams with our existing security protocols.
- This should ensure the secure and controlled collaboration with our external partners.

Ideal Skills:
- Extensive experience with Microsoft Teams setup and configuration
- Proficiency in managing multi-tenant systems
- Expertise in cybersecurity and integration of security protocols within communication platforms.