Join Mizuho as a Senior Windows Engineer!



Th ideal candidate has deep expertise in Microsoft 365, Exchange (Online and On‑Premises), Microsoft Teams and enterprise messaging platforms. In this role, you will be responsible for technical leadership, architecture-level decision making, and delivery of complex messaging and infrastructure initiatives in a large, regulated enterprise environment.



Responsibilities:


+ Serve as a senior technical authority for Microsoft 365 and Exchange, including hybrid Exchange architectures.

+ Design, implement, and maintain Exchange Online and Exchange On‑Premises environments, including mail flow, transport, migrations, and coexistence.

+ Lead messaging and directory migration initiatives, including tooling such as Quest On Demand.

+ Own and integrate email security platforms, including Proofpoint, ensuring reliability, security, and compliance.

+ Drive end‑to‑en...