We are looking for an experienced Infrastructure Engineer to lead the administration and strategic improvement of a Microsoft 365 environment in Dublin, Ohio. This role combines day-to-day platform ownership with security, governance, and performance oversight across core cloud collaboration and identity services. The ideal candidate brings strong technical depth, a proactive approach to operational excellence, and the ability to work effectively with internal stakeholders and external technology partners.<br><br>Responsibilities:<br>• Oversee the daily administration, configuration, and continuous improvement of Microsoft 365 services such as Exchange Online, Teams, SharePoint Online, OneDrive, Entra ID, and Intune.<br>• Monitor service health, usage trends, licensing, and capacity needs to maintain a stable, efficient, and scalable collaboration environment.<br>• Manage identity and access controls by supporting authentication policies, Conditional Access, and hybrid identity solutions across the enterprise.<br>• Establish and maintain security, compliance, and governance standards within the Microsoft 365 ecosystem to support organizational and regulatory expectations.<br>• Work closely with infrastructure, security, and external service providers to resolve complex platform issues and maintain reliable service delivery.<br>• Serve as the senior technical escalation resource for Microsoft 365-related incidents, problems, and vendor coordination.<br>• Lead initiatives that enhance the platform through modernization, migrations, feature rollouts, and roadmap-driven improvements.<br>• Create automation and scripting solutions to streamline administration, improve consistency, and reduce manual effort.<br>• Develop clear technical documentation and promote end-user adoption of new capabilities and best practices across the organization.