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T-Mobile

Client Success Manager

T-Mobile

. Serve as the primary post-sales contact for assigned government and enterprise accounts .

Posted 10/12/2026full-timeRemote • United StatesMid-LevelSenior💰 $87,100 - $157,200 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in customer relationship management and strategic account growth, with a strong focus on upselling and cross-selling within the telecommunications industry. Proven ability to lead cross-functional teams and analyze customer data to drive performance and retention.

Highest-signal resume keywords
Customer Relationship ManagementStrategic Account GrowthCross-Functional CoordinationTelecommunications Industry KnowledgeProblem-Solving Skills

ATS Keywords

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Applicant Tracking System Keywords

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

Hard Skills
Account ManagementCustomer OnboardingData AnalysisPerformance MetricsContract NegotiationCustomer Success PlanningService Quality MonitoringRenewal StrategiesProposal PreparationExecutive-Level Presentations
Soft Skills
Client Relationship ManagementResource CoordinationTeam LeadershipCommunication SkillsStrategic Planning
Tools & Technologies
Account HubNPS IndicatorsSales ToolsSelf-Service Tools
Certifications & Qualifications
CCXPPMPCSE
Industry Keywords
Government AccountsEnterprise AccountsWireless TechnologiesCustomer RetentionChurn Mitigation

Tech Stack

Tools & technologies
PMP

About the role

Key responsibilities & impact
  • Serve as the primary post-sales contact for assigned government and enterprise accounts
  • Advocate for customer needs across internal teams and build executive-level client relationships
  • Oversee customer onboarding, training, and product adoption
  • Educate customers on T-Mobile for Business products, services, and self-service tools such as Account Hub
  • Develop customer success plans and conduct regular health checks
  • Monitor account performance, usage, service quality, billing, and NPS indicators
  • Lead success reviews and QBRs, presenting performance metrics and insights to executives
  • Recommend action plans to address service gaps and evolving needs
  • Own customer issues and coordinate cross-functional resolution
  • Document interactions and ensure service levels are met
  • Develop retention and renewal strategies to mitigate churn
  • Lead contract renewals, negotiate terms, and finalize agreements
  • Identify and execute cross-sell and upsell opportunities
  • Prepare proposals for new solutions with Sales and Solutions Engineering
  • Maintain or grow customer revenue and account value

Requirements

What you’ll need
  • 4–7 years managing customer relationships and account management in Government, Strategic, or Enterprise business segments
  • 2–4 years coordinating with sales, engineering, support, and operations to meet contract commitments and resolve issues
  • Strong executive-level client relationship management skills
  • Ability to coordinate cross-functional relationships
  • Strategic planning for account growth through upselling and cross-selling
  • Problem-solving and resource coordination skills
  • Experience leading teams and managing a distributed workforce
  • Ability to analyze customer data, trends, and opportunities
  • Strong business acumen
  • Telecommunications industry knowledge, particularly wireless technologies
  • At least 18 years of age
  • Legally authorized to work in the United States
  • Bachelor's or master's/advanced degree in Business Administration, Management, or related field preferred
  • CCXP, PMP, or CSE certification preferred

Benefits

Comp & perks
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Free, year-round money coaches
  • Medical, dental, and vision insurance
  • Flexible spending account
  • Paid time off
  • Up to 12 paid holidays
  • Paid parental and family leave
  • Family building benefits
  • Back-up care
  • Enhanced family support
  • Childcare subsidy
  • Tuition assistance
  • College coaching
  • 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 and home internet discounts
  • Pet insurance
  • Commuter and transit programs
  • Career growth opportunities