Senior Active Directory & Identity Infrastructure Lead

My client is a top-tier multinational financial services institution with a massive global footprint. They are currently looking for a senior-level infrastructure Subject Matter Expert to take technical ownership of their core Active Directory (AD), Windows and Identity ecosystems. This is a highly technical, hands‑on role focusing on mission‑critical architecture, high availability, and Tier‑0 security in a complex enterprise environment.

The Mandate

• Oversee, optimize, and engineer the enterprise Windows Server landscape, ensuring maximum performance and uptime.
• Drive the architecture, health, and support of complex Active Directory environments, including forest/domain design, OU structures, GPOs, and replication topologies.
• Lead the integration of hybrid identity solutions, seamlessly bridging on‑premise AD with Microsoft Entra ID and M365.
• Architect and maintain secure authentication, federation platforms, and Single Sign‑...