Experience: L2/L3 Support | Enterprise Messaging

We are looking for experienced Microsoft 365 / Messaging & Exchange Administrators to manage and support enterprise messaging settings across Microsoft 365, Exchange Online, Exchange On-Premises, and Hybrid Exchange.

Key Responsibilities:
Provide L2/L3 support for Exchange Online, Exchange On-Premises, Hybrid Exchange, and Microsoft 365.
Manage mailboxes, distribution groups, shared/resource mailboxes, migrations, public folders, and directory integrations.
Support Microsoft Teams, SharePoint, email, calendaring, and messaging applications.
Monitor messaging infrastructure health, availability, and performance.
Troubleshoot incidents, perform RCA, service restoration, performance tuning, and capacity planning.
Manage Exchange DAG, mail routing, SMTP gateways, load balancing, ADFS, and directory synchronization.
Support email security, TLS, authentication, SPF/DKIM/DMARC, spam protection, compliance,



and audit requirements.
Support DR/failover, backup/restore, retention, archival, compliance searches, and BCP testing.
Handle platform upgrades, deployments, lifecycle management, and vendor escalations.
Maintain SOPs, runbooks, technical documentation, and knowledge base articles.

Required Skills:
Microsoft 365 / O365, Exchange Online, Exchange Hybrid, Exchange Server
Microsoft Teams, SharePoint Online, Entra ID / Azure AD, Active Directory, Windows Server
PowerShell, SMTP, DNS, SPF/DKIM/DMARC, Email Security & Compliance
TLS, Exchange DAG, ADFS, Directory Synchronization, Load Balancing
Disaster Recovery & Failover
ServiceNow / ITSM Tools
Experience with messaging/security tools such as Venafi, One Identity, Poppulo, and ManageEngine is an advantage.

📌 Microsoft 365 / Messaging & Exchange Administrator Bengaluru
🏢 Nasugroup.com
📍 Bengaluru