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This role is a highly strategic, executive-facing leadership position within T-Mobile for Business, purpose-built to own and drive the exceptionally complex, high-visibility commercial and operational ecosystem of a single, highly strategic enterprise customer. The Senior Enterprise Customer Success Manager holds end-to-end accountability for customer success strategy, serving as the primary executive liaison, commercial intake authority, and orchestration lead across all customer-facing initiatives.
Job Responsibility:
Serve as the primary point of contact for a highly strategic single customer, affiliates, sponsors, partners, and athletes, managing ongoing communication and relationship coordination
Lead intake of customer, partner, and athlete requests, clarifying scope, requirements, timelines, and service expectations
Proactively communicate status updates, risks, and resolution paths to customers and partners
Manage intake workflows, project tracking, and cross-functional coordination with Sales, Operations, Finance, Legal, and Program Management teams
Support billing, invoicing validation, account reconciliations, and resolution of account-related inquiries
Develop and maintain account activity reports, intake metrics, and operational performance summaries
Provide light project management support for complex or multi-workstream initiatives
Maintain accurate account documentation, intake records, and compliance with operational requirements