Objectives and Responsibilities of the Senior Microsoft 365 & Messaging Infrastructure Architect
We are seeking a highly experienced Senior Microsoft 365 & Messaging Infrastructure Architect responsible for enterprise-wide Microsoft 365 operations, identity lifecycle management, email security, SSO integrations, and hybrid infrastructure governance. The role demands deep technical expertise across M365, Email Gateway, SSO, DNS, Certificates, and Security platforms.
Primary Technology Stack
Microsoft 365 / Office 365 Infrastructure & Open Office / Zoho Office (Advantage)
Enterprise administration of Microsoft 365
Identity lifecycle: ID creation / deletion / modifications
License management & optimization
Mailbox restoration & recovery
DL & Security group administration
Exchange Online health monitoring & log analysis via Exchange Online
Transport rules as per business requirements
Litigation hold, retention, archiving & deletion policies
Monthly audit reporting (OWA, ActiveSync, POP, IMAP enabled mailboxes)
Email migrations (On-prem ↔ Cloud)
SharePoint, OneDrive & Teams
Administration of SharePoint Online & OneDrive
Site & portal creation and governance
Retention & compliance policies
Administration of Microsoft Teams (Teams governance, policies, integrations)
Live Townhall / Board meetings (Webcast management)
Identity & Access Management (IAM)
Enterprise administration of Microsoft Entra ID
Conditional Access policy design & enforcement
Azure AD Connect configuration & sync health management
Directory Sync server management
Federation & protocol integration (SAML 2.0, WS-Fed, OpenID)
SSO, MFA, and SSPR governance
Domain & identity reconsolidation programs
Application SSO integration (SaaS-based apps)
Security, Compliance & Data Protection
Administration of Azure Information Protection & RMS
Unified Labelling Client deployment & governance
MDM management via Microsoft Intune
Mobile Device Management (iOS & Android)
Office 365 Audit log & alert monitoring
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