The Senior Systems Engineer is responsible for ensuring the stability, security, and performance of enterprise Microsoft and Windows-based infrastructure across both cloud and on-premises environments. This includes advanced administration of Microsoft 365, Azure Active Directory, Intune, Windows Server, virtualization platforms, and enterprise networking. The engineer will design, implement, and maintain mission-critical systems while applying best practices in cloud identity, security, and compliance. This role requires hands-on technical expertise, strong troubleshooting skills, and the ability to manage complex integrations between Microsoft platforms, third-party applications, and instructional technologies that support educational operations. The Senior Systems Engineer will act as a technical leader within the systems domain, contributing to enterprise IT strategy, mentoring junior engineers, and collaborating across teams to deliver secure, scalable, and reliable solutions.