Microsoft 365Exchange OnlineMicrosoft TeamsSharePoint OnlineMicrosoft Entra IDPowerShell

Multi-Site Microsoft 365 Administration

Standardizing cloud identity, mail flow security, and collaboration tools for 220+ distributed users.

Selected work is presented in an anonymized format to protect client and employer confidentiality.

General Challenge

Distributed branch operations required consistent access to corporate communication, synchronized calendars, and standardized document repositories without communication latency or identity discrepancies.

Scope of Work

Audit and govern tenant configurations, administrative roles, and license assignments

Configure Exchange Online mailboxes, shared mailboxes, and mail flow security rules

Structure SharePoint document libraries with least-privilege permission models

Establish standardized Microsoft Teams communication channels and meeting policies

Automate repetitive user onboarding and offboarding workflows using PowerShell

Technologies Used

Microsoft 365Exchange OnlineMicrosoft TeamsSharePoint OnlineMicrosoft Entra IDPowerShell

Solution Implemented

Configured centralized identity management through Microsoft Entra ID with Multi-Factor Authentication (MFA) enforcement. Streamlined mail routing with strict anti-phishing rules, and standardized SharePoint access hierarchies to ensure files remain securely accessible across all authorized locations.

Practical Business Value

Provided uninterrupted, dependable communication for 220+ users, eliminated duplicate licensing overhead, and maintained high availability for operational business workflows.

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