Microsoft 365 Enterprise Administrator

Key Responsibilities:

The Microsoft 365 Enterprise Administrator will be expected to handle complex technical troubleshooting, support enterprise operations, and contribute directly to upcoming migration programs in a fast-paced environment.

Responsibilities include the following, in collaboration with the broader Mobility Global IT team:

• Administering and supporting the Mobility Global Microsoft 365 environment, including Exchange Online, Microsoft Teams, SharePoint, OneDrive, Intune, Entra ID, and Microsoft Purview
• Serving as a subject matter expert for major M365 migration and consolidation projects, including tenant readiness, coexistence planning, mailbox migration, collaboration platform migration, identity dependencies, permissions, and cutover support
• Partnering with endpoint management and security teams on Conditional Access, device compliance, app protection, Autopilot, mobile access, and Intune policy alignment
• Supporting Exchange Online administration, including mail flow, shared and resource mailboxes, distribution groups, transport rules, retention, spam protection, and migration troubleshooting
• Administering Microsoft Teams and Teams Phone services, including governance, external and guest access, calling policies, voice routing, Direct Routing or Operator Connect dependencies, emergency calling, and number management
• Supporting SharePoint and OneDrive administration, including site governance, permissions, external sharing, storage, migration planning, and post-migration validation
• Developing and maintaining PowerShell scripts and automation to improve administration, reporting, migration readiness, auditing, and repeatable operational tasks
• Responding to alerts, trouble tickets, service requests, escalations, and outages promptly and effectively
• Maintaining clear documentation, runbooks, project notes, migration procedures, operational standards, and knowledge transfer materials
• Participating in cross-training with fellow team members and helping raise the team’s overall Microsoft 365 capability

Desired Skills:

• Deep hands-on experience administering Microsoft 365 in an enterprise environment
• Strong verbal and written communication skills, with the ability to clearly explain technical issues, migration risks, operational impacts, and recommended actions to technical and non-technical audiences
• Strong understanding of Microsoft 365 security, governance, compliance, and risk reduction practices
• Advanced proficiency with Exchange Online, Teams, SharePoint, OneDrive, Intune, Entra ID, Conditional Access, and Microsoft Purview
• Experience supporting or leading Microsoft 365 migrations, tenant-to-tenant migrations, divestiture or separation projects, coexistence planning, and post-migration validation
• Strong PowerShell skills for Microsoft 365 administration, automation, reporting, and troubleshooting
• General networking, DNS, identity, authentication, certificate, and mail flow knowledge
• Experience working with vendors, consultants, project managers, and cross-functional technology teams during large-scale migration efforts
• Ability to work flexibly across a global environment, coordinating effectively across time zones, cultures, distributed teams, and shifting business priorities
• Hands-on knowledge of Microsoft Teams Phone and enterprise telephony concepts, including calling policies, voice routing, Direct Routing or Operator Connect, emergency calling, number management, and troubleshooting voice quality or call-flow issues
• A positive, proactive, and ownership-oriented mindset, consistently demonstrating a practical “can-do” attitude

Experience/Qualifications

• Bachelor’s degree with 3 years of relevant experience or 6 years of equivalent hands-on Microsoft 365 administration experience
• Microsoft certifications are strongly preferred, such as Microsoft 365 Administrator, Endpoint Administrator, Identity and Access Administrator, Teams Administrator, Messaging Administrator, or Security Administrator
• Experience with M365 tenant migrations, Exchange Online migrations, SharePoint/OneDrive migrations, Teams administration, or divestiture-related transition work is strongly preferred
• PowerShell certification, formal training, or demonstrated scripting portfolio is a plus
• Network+, Security+, Azure, or other cloud certifications are a plus