T-Mobile

Senior Enterprise Customer Success Manager

T-Mobile

full-time

Posted on:

Location Type: Office

Location: IrvineCaliforniaUnited States

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Salary

💰 $99,500 - $179,400 per year

Job Level

About the role

  • 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

Requirements

  • Bachelor's Degree in Business, Engineering, Applied Science, Finance (Preferred)
  • 3 years of related experience OR advanced degree with 1 year of related experience OR equivalent combination (Required)
  • Customer Engagement ability to manage professional relationships with enterprise customers, partners, and stakeholders (Required)
  • Strong capability to translate requests into structured operational workflows (Required)
  • Clear verbal and written communication with both external customers and internal teams (Required)
  • Ability to manage timelines, dependencies, and multi-team execution (Required)
  • Ability to resolve complex, non-standard customer and operational issues (Required)
  • Experience producing account activity reports and operational metrics (Required)
  • Proficiency in Microsoft Office, especially Excel, PowerPoint, Word, and reporting tools (Required)
Benefits
  • Medical, dental and vision insurance
  • Flexible spending account
  • 401(k)
  • Employee stock grants
  • Employee stock purchase plan
  • Paid time off and up to 12 paid holidays
  • Paid parental and family leave
  • Childcare subsidy
  • Tuition assistance
  • Short- and long-term disability
  • Voluntary AD&D coverage
  • Voluntary accident coverage
  • Voluntary life insurance
  • Voluntary disability insurance
  • Voluntary long-term care insurance
  • Mobile service & home internet discounts
  • Pet insurance
  • Access to commuter and transit programs
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
account activity reportingoperational metricsproject managementbillinginvoicing validationaccount reconciliationworkflow managementcustomer engagement
Soft Skills
relationship managementcommunicationproblem-solvingorganizational skillstimeline managementcross-functional coordination