About this role
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 boundaries • Forest and external trusts supporting M&A, joint ventures, and third-party integrations • FSMO role placement optimized for resilience and auditability
• Advanced understanding of Active Directory–integrated DNS, split‑brain DNS, and secure name resolution models Hybrid Identity & Microsoft Entra ID (Azure AD)
• Extensive experience integrating on-prem AD with Microsoft Entra ID in regulated financial environments • Hands-on implementation of: • Entra Connect (Cloud Sync and Traditional) • Password Hash Sync, Pass-through Authentication, and Federation
• Strong experience with: • Conditional Access aligned to regulatory and risk-based controls • Hybrid Join, Entra ID Join, and legacy device coexistence
• Understanding of identity lifecycle controls to support joiners, movers, leavers, and separation-of-duties requirements Security, Compliance & Risk Controls
• Expert-level knowledge of Active Directory security hardening in financial services, including: • Tiered administrative model (Tier 0/1/2) • Dedicated admin forests or hardened admin boundaries (where applicable) • Privileged Access Workstations (PAWs) / Secure Admin Workstations
• Experience enforcing least privilege, role separation, and dual‑control models • Deep familiarity with threats targeting financial institutions: • Credential theft, Kerberoasting, Pass-the-Hash/Ticket • Delegation and ACL abuse
• Hands-on experience with: • Privileged Identity Management (PIM) • Regular access reviews and entitlement recertification
• Strong alignment with Zero Trust and defense-in-depth identity strategies Regulatory & Audit Readiness
• Demonstrated experience supporting audits and controls for financial regulations and frameworks, such as: • SOX, GLBA, PCI DSS, SOC 2 • Internal risk management and model governance requirements
• Ability to design AD environments that support: • Strong logging and traceability • Tamper-resistant audit logs • Evidence generation for internal and external auditors
Automation & PowerShell
• Advanced PowerShell expertise for: • Controlled, auditable administrative changes • Automated provisioning/deprovisioning aligned to compliance workflows • Identity reporting for risk, security, and audit teams
• Experience building automation that integrates with: • Change management processes • IAM, ticketing, and security tooling
Operations, Resilience & Recovery
• Deep experience managing: • AD replication topology across data centers and regions • SYSVOL (DFSR) health and recovery • Latency-sensitive authentication dependencies
• Strong understanding of: • AD backup, recovery, and authoritative restore procedures • Identity disaster recovery scenarios with defined RTO/RPO
• Experience implementing monitoring and alerting with a focus on early risk detection Leadership & Governance
• Acts as technical authority and escalation point for all directory and identity services • Defines and enforces: • Enterprise identity standards • Secure configuration baselines • Operational runbooks and procedures
• Partners closely with: • Information Security and IAM teams • Risk, audit, and compliance stakeholders • Infrastructure, cloud, and application teams
• Mentors engineers and reviews designs from a security and risk-first perspective
Education and Experience Required:
• Bachelor's degree and a minimum of 5 years’ relevant work experience, or in lieu of a degree, a combined minimum of 9 years’ higher education and/or work experience
Education and Experience Preferred:
• Advanced understanding of the security system development and infrastructure lifecycle and architecture, and systems design • Proven experience with the development and customization of tools utilized in assigned Cybersecurity function • Demonstrated ability to translate architecture into technical requirements • Proficient level of critical thinking and problem solving ability • Excellent communication and interpersonal skills • Experience partnering with leaders to design solutions to business needs. • Proficient persuasive communication skills to gain buy-in of others • Strong ability to analyze and draw reliable conclusions based on large volumes of quantitative data from diverse sources • Ability effectively serves in indirect leadership role #LI-JB3 #Hybrid
M&T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $116,400.00 - $194,000.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation.
Location Buffalo, New York, United States of America