Vendor Demand Manager

The Vendor Demand Manager is responsible for overseeing IT internal resource capacity planning and managing demand for external vendors to ensure optimal utilization of resources and effective delivery of IT initiatives aligned with company strategy. This role requires forecasting IT workload for both BAU (Business As Usual) operations and strategic projects, developing and maintaining internal capacity plans, and consolidating vendor demand plans. The position covers over 500 internal IT resources and more than 400 vendor FTEs across multiple vendors.Key Responsibilities:Collaboration and PlanningExternal Vendor Demand ManagementProcess and ToolsStakeholder ManagementReportingRequired Skills & Experience:Proven experience in demand management, capacity planning, or IT resource managementStrong data analysis and reporting skillsExcellent communication and stakeholder management skills, including executive-level engagementAbility to collaborate across multiple teams and with external vendorsFluency in Japanese; business-level English proficiency