M365 Admin& Active Directory - 3i Infotech - Chennai

3i Infotech Limited; Chennai District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

3i Infotech Limited is seeking an experienced Microsoft 365 Administrator L3 to manage and support enterprise M365 environments from Chennai. The role covers Exchange Online, Entra ID, Teams, SharePoint, OneDrive, Intune and Defender for Office 365 with emphasis on administration and troubleshooting.

The candidate will handle user provisioning, mailbox management, policy enforcement and incident resolution, including Windows Server patch management and ITSM escalation. Rotational shifts apply.

Qualifications

• Experience in Microsoft 365 administration and L3 support.
• Proficiency with Exchange Online, Entra ID/Azure AD and Teams.
• Hands-on experience with SharePoint Online, OneDrive for Business and Defender for Office 365.

Responsibilities

• Provide L3 administration and troubleshooting for Microsoft 365 services.
• Manage Entra ID/Azure AD including user provisioning and access control.
• Administer Exchange Online including mail flow and mailbox permissions.
• Manage Teams channels, groups and access permissions.
• Administer SharePoint Online and OneDrive for Business; ensure access and synchronization.
• Manage Microsoft Intune for device enrollment and compliance.
• Support Defender for Office 365 including threat investigation and policies.
• Handle Conditional Access policies and identity controls.
• Perform Windows Server patch management across domain controllers and Hyper-V.
• Use PowerShell for administration and automation.
• Handle escalated incidents via ITSM tools and maintain docs.
• Coordinate with teams for incident resolution and change activities.

Skills

Microsoft 365 Administration

Exchange Online

Microsoft Entra ID / Azure AD

Microsoft Intune

Microsoft Teams

SharePoint Online

OneDrive for Business

Microsoft Defender for Office 365

Conditional Access

PowerShell

L3 Support / ITSM

Education

BE/B.Tech

B.Sc.

Any relevant IT qualification

Tools

ITSM tools

Job description

Job Title: Microsoft 365 Administrator L3 Support

Experience: 37 Years Location: Chennai Employment Type: Full Time

Shift:- Rotational Shift

Job Summary

We are looking for an experienced Microsoft 365 Administrator / M365 L3 Support Engineer to manage and support enterprise Microsoft 365 environments. The role will involve administration, troubleshooting and support across Exchange Online, Microsoft Entra ID (Azure AD), Microsoft Teams, SharePoint, OneDrive, Microsoft Intune and Microsoft Defender for Office 365.

Key Responsibilities

• Provide L3 administration and troubleshooting for Microsoft 365 services.
• Manage Microsoft Entra ID / Azure AD, including user creation, termination, group management, role assignments and access provisioning.
• Administer Exchange Online, including shared mailboxes, distribution lists, mail flow, mailbox permissions and email troubleshooting.
• Manage Microsoft Teams channels, groups and access permissions.
• Administer SharePoint Online and OneDrive for Business, including access, permissions, synchronization and troubleshooting.
• Manage corporate endpoints using Microsoft Intune, including device enrollment, compliance policies and configuration profiles.
• Support Microsoft Defender for Office 365, including email threat investigation, message tracing, anti-spam and security policies.
• Manage Conditional Access policies and identity/access controls.
• Perform Windows Server patch management across domain controllers, file servers and Hyper-V environments.
• Use PowerShell for Microsoft 365 administration and task automation.
• Handle escalated incidents through ITSM tools, ensuring SLA adherence and proper escalation.
• Prepare and maintain technical documentation and knowledge base articles.
• Coordinate with internal teams and stakeholders for incident resolution and change activities.

Mandatory Skills

• Microsoft 365 Administration
• Exchange Online
• Microsoft Entra ID / Azure AD
• Microsoft Intune
• Microsoft Teams
• SharePoint Online
• OneDrive for Business
• Microsoft Defender for Office 365
• Conditional Access
• PowerShell
• L3 Support / ITSM

Good to Have

• Windows Server Administration
• Server Patch Management
• Active Directory
• Hyper-V
• Email Security
• Backup & Recovery
• Microsoft 365 Security & Compliance
• Azure Fundamentals / relevant Microsoft certifications

Education

BE/B.Tech/B.Sc./Any relevant IT qualification.

Please Note:- this will be rotational Shift.