Infrastructure Engineer

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.Responsibilities:• Oversee the daily administration, configuration, and continuous improvement of Microsoft 365 services such as Exchange Online, Teams, SharePoint Online, OneDrive, Entra ID, and Intune.• Monitor service health, usage trends, licensing, and capacity needs to maintain a stable, efficient, and scalable collaboration environment.• Manage identity and access controls by supporting authentication policies, Conditional Access, and hybrid identity solutions across the enterprise.• Establish and maintain security, compliance, and governance standards within the Microsoft 365 ecosystem to support organizational and regulatory expectations.• Work closely with infrastructure, security, and external service providers to resolve complex platform issues and maintain reliable service delivery.• Serve as the senior technical escalation resource for Microsoft 365-related incidents, problems, and vendor coordination.• Lead initiatives that enhance the platform through modernization, migrations, feature rollouts, and roadmap-driven improvements.• Create automation and scripting solutions to streamline administration, improve consistency, and reduce manual effort.• Develop clear technical documentation and promote end-user adoption of new capabilities and best practices across the organization.