Office 365 Administrator

Key Responsibilities

Microsoft Email Suite Administration

• Administer and manage large-scale Microsoft 365 messaging environments supporting 300K+ users.
• Manage Exchange Online, hybrid Exchange environments, mail flow, connectors, and transport rules.
• Handle mailbox provisioning, migrations, shared mailboxes, distribution groups, and resource mailboxes.
• Monitor messaging infrastructure health, service availability, and operational performance.

 

Incident & Problem Management

• Act as L3 escalation point for critical incidents related to email, mail routing, authentication, and collaboration services.
• Perform advanced troubleshooting for:
• Mail delivery failures
• Exchange Online issues
• Outlook connectivity
• Hybrid mail flow
• SMTP relay issues
• SPF, DKIM, and DMARC configurations
• Microsoft Teams and calendar integration issues
• Conduct root cause analysis (RCA) and provide preventive action recommendations.

Security & Compliance

• Manage Microsoft Defender for Office 365 security policies.
• Configure anti-spam, anti-phishing, and safe attachment policies.
• Support compliance requirements including:
• eDiscovery
• Retention policies
• Litigation hold
• Data Loss Prevention (DLP)
• Mail trace and audit logs
• Ensure adherence to enterprise security and governance standards.

Identity & Access Management

• Manage Microsoft Entra ID (Azure AD) integration and synchronization.
• Support Conditional Access, MFA, SSO, and identity governance activities.
• Handle RBAC roles and privileged access management.

 

 

Operational Excellence

• Monitor SLA adherence and ensure timely resolution of incidents and service requests.
• Prepare operational reports, service health analysis, and trend reports.
• Participate in change management, patching, maintenance, and upgrade activities.
• Maintain technical documentation, SOPs, and knowledge base articles.

Automation & Optimization

• Develop and maintain PowerShell scripts for automation and bulk administration tasks.
• Optimize operational processes to improve efficiency and reduce manual effort.
• Support enterprise modernization and migration initiatives.

Stakeholder & Team Coordination

• Coordinate with Microsoft support, internal infrastructure teams, security teams, and customer stakeholders.
• Mentor L1/L2 associates and provide technical guidance.
• Participate in technical review meetings and governance calls.

Technical Skills Required

Mandatory Skills

• Microsoft Exchange Online Administration
• Office 365 Administration
• Microsoft Entra ID (Azure AD)
• Hybrid Exchange Environment
• Microsoft Outlook Troubleshooting
• PowerShell Scripting
• Mail Flow & SMTP Troubleshooting
• SPF / DKIM / DMARC Configuration
• Microsoft Defender for Office 365
• Incident & Problem Management

Preferred Skills

• Microsoft Intune
• Microsoft Teams Administration
• SharePoint Online Basics
• Active Directory & ADFS
• Azure Fundamentals
• ITIL Process Knowledge
• Automation & Reporting Tools

Educational Qualification

• Bachelor’s Degree in Computer Science / IT Engineering. BE in IT, BSC IT, BCA, MCA, MTech, BTech

Preferred Certifications

• Microsoft 365 Certified: Messaging Administrator Associate
• Microsoft Certified: Azure Fundamentals
• Microsoft 365 Certified: Enterprise Administrator Expert
• An OEM certification ‘MS102 / Microsoft 365 Certified: Administrator Expert’ is mandatory.

Key Competencies

• Strong analytical and troubleshooting skills
• Ownership and accountability
• Excellent communication and stakeholder management
• Ability to work in high-pressure enterprise environments
• Team mentoring and coordination capability
• Strong documentation and reporting skills

Working Environment

• 24x7 enterprise support environment
• Shift rotation and on-call support (if required)

Support for critical banking / enterprise infrastructure environments