Senior M365 Specialist

Company Description:

Resillion helps organisations build technology they can trust. Our work matters because today's digital world is connected and increasingly complex. From software and platforms to devices, media, AI and critical business systems, our teams help clients make sure their products and services work as they should.

We're the only company who combine quality engineering, cyber security, conformance and interoperability, and media content quality control into something we call Total Quality. We combine human insight with advanced AI to deliver solutions that support performance from concept to launch.

Resillion is also a place to grow. We're a team of curious, collaborative experts who care about doing things well. You'll be trusted to bring your ideas, take ownership and keep learning, with support from colleagues across our global business. We value expertise and the different perspectives people bring - creating an environment where you can build a career with confidence.

Job Title: Senior M365 Specialist

Experience Range: 7-10 Years

Location: Bangalore/Hybrid

Direct Reports: No

Department : Global IT

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.

Qualifications

• 6–9 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.