This is a senior Microsoft cloud platform engineering role covering the full Microsoft 365/Azure/security stack: designing and operating M365, Azure, and Microsoft Security services for reliability and scale, while implementing security controls aligned to NIST 800-53, Zero Trust (NIST 800-207), and FedRAMP Moderate. It includes identity and access management through Entra ID and Conditional Access, administration of collaboration services (Exchange Online, Teams, SharePoint), and Azure infrastructure support across hybrid environments. Security operations work spans Defender and Purview for threat protection and data governance, all tied together with formal change management, documentation, and a senior advisory role supporting audits, assessments, and cross-team architecture decisions.