O365 Admin

Tata Consultancy Services; Chennai District; On-site; INR 1,000,000 - 1,800,000; Full time

Job summary

Tata Consultancy Services is seeking an experienced O365 Administrator in Chennai to manage and optimize Microsoft 365 services including Exchange Online, Teams, SharePoint Online, and OneDrive for Business. You will handle user accounts, licenses, groups, and access controls via Azure AD, and drive security configurations using Defender for Office 365 and MFA.

The role requires 8–10 years in IT Infrastructure with at least 5 years in Microsoft 365, strong PowerShell skills, and a solid

Qualifications

• 8-10 years of IT Infrastructure experience with at least 5 years in Microsoft 365 Administration.
• Strong hands-on experience with Exchange Online, Teams, SharePoint Online, OneDrive for Business, Entra ID (Azure AD), Defender for Office 365, Intune (preferred).
• Proficiency in PowerShell scripting and automation.
• Knowledge of Microsoft 365 Security & Compliance Center.
• Good understanding of Hybrid Exchange environments.
• Experience in incident, change, and problem management processes.

Responsibilities

• Administer and maintain Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and Power Platform.
• Manage user accounts, licenses, groups, and access controls through Microsoft Entra ID (Azure AD).
• Perform mailbox management, migration, retention, and compliance activities.
• Monitor Microsoft 365 environment health, performance, and security.
• Implement and manage security policies, Conditional Access, MFA, and Defender for Office 365.
• Troubleshoot and resolve Microsoft 365 related issues within SLA timelines.
• Support Microsoft Teams administration, policies, governance, and collaboration tools.
• Manage PowerShell scripting and automation for administrative tasks.
• Coordinate with infrastructure, security, and application teams for integrated support.
• Prepare documentation, SOPs, and operational reports.

Skills

IT Infra 8-10Y

Microsoft 365 Admin

Exchange Online

Microsoft Teams

SharePoint Online

OneDrive for Business

Azure AD / Entra ID

Defender for Office 365

Intune (preferred)

PowerShell scripting

Security & Compliance Center

Hybrid Exchange

Incident management

Change management

Problem management

Job description

Job Role: O365 Administrator

Location: Chennai
Experience: 8 to 10 Years

Key Responsibilities

• Administer and maintain Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and Power Platform.
• Manage user accounts, licenses, groups, and access controls through Microsoft Entra ID (Azure AD).
• Perform mailbox management, migration, retention, and compliance activities.
• Monitor Microsoft 365 environment health, performance, and security.
• Implement and manage security policies, Conditional Access, MFA, and Defender for Office 365.
• Troubleshoot and resolve Microsoft 365 related issues within SLA timelines.
• Support Microsoft Teams administration, policies, governance, and collaboration tools.
• Manage PowerShell scripting and automation for administrative tasks.
• Coordinate with infrastructure, security, and application teams for integrated support.
• Prepare documentation, SOPs, and operational reports.

Required Skills

• 8-10 years of IT Infrastructure experience with at least 5 years in Microsoft 365 Administration.
• Strong hands‑on experience with:
• Exchange Online
• Microsoft Teams
• SharePoint Online
• OneDrive for Business
• Microsoft Entra ID (Azure AD)
• Microsoft Defender for Office 365
• Intune (preferred)
• Experience in PowerShell scripting and automation.
• Knowledge of Microsoft 365 Security & Compliance Center.
• Good understanding of Hybrid Exchange environments.
• Experience in incident, change, and problem management processes.