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Lead Active Directory Engineer

Company

M&T Bank

Location

Buffalo, New York

Type

Full time

This role is four days onsite at our Seneca One Buffalo, NY location, with the flexibility to work from home one day per week

Overview:

Responsible for designing, securing, and operating Microsoft Active Directory Domain Services (AD DS) in regulated, high-availability environments. Acts as knowledge resource for and trains less experienced engineers. Completes day-to-day support activities and special projects.

Primary Responsibilities:

Enterprise Active Directory Architecture

  • Proven expertise supporting large-scale, Tier‑1 identity infrastructures with strict uptime, latency, and change‑control requirements
  • Strong experience with: Multi-domain and multi-forest designs aligned to business units, regions, or regulatory boundariesForest and external trusts supporting M&A, joint ventures, and third-party integrationsFSMO role placement optimized for resilience and auditability
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