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The Transition Project Manager is responsible for planning and executing complex IT service transitions , primarily involving the migration of applications, infrastructure, or service scope from one supplier/vendor to another within a large, global enterprise environment. This role is critical in ensuring service continuity, operational stability, and knowledge transfer during supplier transitions and early-life support phases. The role requires a seasoned project manager with robust judgement, credibility with senior stakeholders, and hands-on experience managing large-scale transitions, IT transformations, and application rationalization initiatives . The Transition Project Manager operates in a multi-vendor, global delivery model , working closely with internal IT, business stakeholders, outgoing and incoming suppliers, and program governance teams to deliver transitions on time, within scope, and with minimized risk . PRIMARY DUTIES AND RESPONSIBILITIES Transition & Project Management - Lead end-to-end IT service transition s from incumbent vendors to new service providers across applications, platforms, or infrastructure towers - Develop and maintain detailed transition plan s, including scope, milestones, dependencies, cutover strategy, knowledge transfer, and hypercare - Coordinate transition activities across multiple supplier s, ensuring explicit ownership, sequencing, and accountability - Manage transition risks, issues, assumptions, and dependencies, ensuring proactive mitigation and escalation where required - Ensure full alignment between contractual scope, RFP commitments, and operational readines s Vendor & Stakeholder Management - Act as the primary orchestration point between outgoing vendors, incoming vendors, and internal IT team s - Challenge providers where assumptions, staffing, or timelines present delivery or continuity risks - Ensure suppliers adhere to agreed transition methodologies, deliverables, and exit obligation s - Build strong working relationships with global stakeholders across IT, security, infrastructure, and application domains IT Transformation & Application Rationalization Support - Support broader IT transformation program s, including operating model change, service standardization, and global delivery transitions - Contribute to application rationalization and scope normalizatio n efforts to ensure consistent, comparable transition approaches - Ensure transition planning considers future-state delivery model s, not just like-for-like transfer Governance, Reporting & Assurance - Establish and run transition governance forums, including status reviews, risk reviews, and readiness checkpoints - Provide clear, concise reportin g to program leadership on transition health, readiness, and residual risks - Support SteerCo and senior leadership updates with fact-based insights and recommendations - Ensure compliance with internal PMO, risk, and delivery governance standards SUPERVISORY RESPONSIBILITIES - No direct line management responsibility - Acts as a matrix le ad, coordinating work across internal teams and multiple external suppliers REQUIRED COMPETENCIES Technical & Qualified Competencies - IT Transition Management (vendor-to-vendor transitions) - Project & Program Management (large, complex IT initiatives - Multi-vendor Service Management - Risk & Dependency Management - IT Operating Model & Service Delivery Transformation - Application Portfolio & Scope Management - Governance & Executive Reporting Behavioral Competencies - Strong ownership mindset with ability to operate independently in complex environments - Confident communicator with senior stakeholders and vendors - Structured, detail-oriented, and delivery-focused - Comfortable operating under ambiguity and changing conditions - Able to challenge constructively and manage conflict professionally MINIMUM QUALIFICATIONS Education - Bachelors degree in Information Technology, Computer Science, Engineering, or Business (or equivalent experience Experience - 812 y ears overall experience in IT project or program management - 5+ y ears of direct experience manag ing IT transit ions, including supplier/vendor changes .