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Senior M365 Specialist

at Resillion

Bengaluru, India Senior Posted 2026-03-05

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About this role

Title: Senior Microsoft 365 Administrator Location: Bangalore | Mode: Hybrid | Relevant Experience: 8-12 Years About the Role We are looking for a highly skilled Senior Microsoft 365 Tenant Administrator with little Azure expertise to manage and optimize our Microsoft 365 environment. This role focuses on end-to-end tenant administration and tenant-to-tenant migrations , ensuring security, complaint, and seamless collaboration experience across the organization. Azure administration knowledge is an advantage. Key Responsibilities Microsoft 365 Administration Manage and maintain core M365 services — Exchange Online, SharePoint Online, Teams, OneDrive, Intune , and Security & Compliance Center . Implement and monitor governance, security, and compliance policies to ensure regulatory adherence and data protection. Oversee system health, performance monitoring , and capacity planning for M365 workloads. Tenant Migrations Plan and lead Microsoft 365 tenant-to-tenant migrations with minimal user disruption. Perform pre-migration assessments , execute detailed migration plans, and validate post-migration performance. Manage mail flow, identity synchronization , and ensure data integrity during migration projects. Experience in Merger and Acquisition is an advantage Azure & Identity Management Administer Azure Active Directory (Entra ID) for identity and access management. Configure and manage Conditional Access , MFA , and role-based access controls (RBAC) . Support hybrid identity solutions including Azure AD Connect and ADFS . Device & Security Management Administer Microsoft Intune for device compliance, application deployment, and endpoint protection. Enforce security baselines and compliance policies across devices and applications. Automation & Optimization Develop and maintain PowerShell scripts to automate administrative tasks and reporting. Monitor and optimize licensing utilization , cost management , and resource allocation across M365 and Azure environments. Support & Troubleshooting Provide Tier-3 support and advanced troubleshooting for M365 and Azure-related issues. Serve as the escalation point for complex incidents and collaborate with Microsoft Support when necessary. 7–11 years of hands-on experience in Microsoft 365 administration and tenant migrations (M365-to-M365, Google Workspace-to-M365, On-prem-to-Cloud, etc.). In-depth knowledge of Azure Active Directory , identity management , and security best practices . Proven experience with Intune , Conditional Access , MFA , and compliance frameworks . Strong PowerShell scripting skills for automation and reporting. Excellent troubleshooting , documentation , and communication skills. Preferred Certifications & Skills Microsoft Certified: MS-102 (Microsoft 365 Administrator) — required. Experience managing hybrid environments and complex migration scenarios . Azure Administration knowledge or certification (e.g., AZ-104) will be highly preferred . Familiarity with Azure CLI and automation/orchestration tools. Understanding of security and compliance frameworks (ISO 27001, GDPR, etc.) is a plus.

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