**Description**

The Senior Security Manager for CMS Endpoints & M365 is responsible for leading security operations, compliance, and lifecycle management for CMS‑managed endpoints and the Microsoft 365 ecosystem. This role ensures the protection, integrity, and continuous security posture of desktops, mobile devices, collaboration tools, cloud productivity services, and hybrid enterprise environments supporting CMS mission operations.

The manager oversees the secure deployment, configuration, monitoring, and modernization of endpoint platforms and M365 services, while developing security standards, governance processes, and operational controls that align with CMS, HHS, FISMA, and NIST security requirements.

**Key Responsibilities**

**Endpoint Security Operations & Compliance**

+ Lead end‑to‑end security management for CMS endpoints, including Windows, Mac, and VDI.
+ Develop and enforce security baselines, patching standards, encryption ...