Senior Technical Consultant - Scale Specialist Lead (Identity/Exchange - Tenant‑to‑Tenant)

Who We Are At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world's leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people-Kyndryls-that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive. The Role The Role: You are the offshore specialist leader responsible for identity and messaging readiness and remediation in a tenant‑to‑tenant Microsoft 365 consolidation. You provide technical authority on Entra ID readiness, identity conflict remediation, access impacts and Exchange‑related sequencing considerations that shape wave delivery. You act as the escalation point for identity and messaging blockers and maintain repeatable runbooks for remediation so that Scale squads can cut over with confidence and the Factory can execute at pace. Key Responsibilities: - Provide identity and messaging readiness guidance for migration waves (entry criteria, risk assessment, mitigation planning). - Act as escalation authority for identity/access issues impacting migrated users (authentication, policy impacts, access failures). - Define and maintain remediation runbooks for common tenant‑to‑tenant identity and messaging blockers. - Support coexistence and sequencing constraints, ensuring wave plans reflect technical reality. - Coordinate with Entra Apps specialists for app access, consent and service principal dependencies that block user readiness. - Support cutover war rooms with rapid triage and structured decision‑making. - Ensure evidence capture for identity readiness checks and remediation acceptance. - Maintain known‑issue catalogue and drive root cause reduction to reduce recurring blocks. - Provide reporting inputs: blocker categories, reme