Client Success Manager

tmobile; Edina (MN); On-site; USD 90,000 - 120,000; Full time

Job summary

T-Mobile in Edina, MN is seeking a Client Success Manager to manage the full customer lifecycle for Government, Strategic, and Enterprise accounts.

You will onboard customers, drive adoption of Business products, coordinate with Sales, Engineering, Support, and Operations, and lead renewal negotiations to grow account value. This role emphasizes executive relationships and proactive problem solving to deliver value.

Qualifications

• Bachelor’s degree in Business Administration or related field; Master’s preferred.
• 4–7 years managing customer relationships and account management in Government/Enterprise.
• Coordination with Sales, Engineering, Support, and Operations to meet commitments.
• Experience identifying upsell and cross-sell opportunities.

Responsibilities

• Serve as primary post-sales contact for government and enterprise accounts.
• Oversee onboarding and training to ensure smooth Day 0 adoption.
• Monitor account health metrics and lead quarterly business reviews.
• Coordinate cross-functional resolution of issues and ensure service levels.
• Develop renewal strategies and pursue account growth through upsell.

Skills

Executive relationships

Account management

Cross-functional collaboration

Strategic thinking

Problem solving

Leadership

Analytics

Education

Bachelor's degree in Business Administration or related field

Master's degree (Preferred)

Job description

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees!

Job Overview

This role at T-Mobile is pivotal and focused on enhancing customer relationships and retention within the Government, Strategic, and Enterprise business segments. This position is responsible for managing the entire customer lifecycle, ensuring successful onboarding, product adoption, and continuous value realization. By identifying upsell and cross-sell opportunities, the Client Success Manager works closely with sales teams to develop strategies that increase account value. Acting as a customer advocate, this role coordinates with multiple departments including sales, engineering, support, and operations to meet contract commitments and resolve issues. Through strategic business reviews and building trusted executive relationships, the Client Success Manager fosters long-term partnerships and enhances client loyalty.

Job Responsibilities

• Customer Relationship Advocacy - Serve as the primary post-sales point of contact for assigned government and enterprise accounts, advocating for customer needs across internal teams and ensuring a positive end-to-end experience. Build and maintain executive-level relationships with client stakeholders to foster trust, understand business goals, and drive customer satisfaction and loyalty.
• Onboarding Product Adoption - Oversee new customer onboarding and training to guarantee a smooth implementation from Day 0 onward. Educate customers on T-Mobile for Business products, services, and self-service tools (e.g. Account Hub) to accelerate product and solution adoption, ensuring clients realize full value from their investments. Develop customer success plans and conduct regular health checks.
• Account Health Monitoring Reviews - Proactively monitor account performance and health indicators (usage trends, service quality, billing, NPS, etc.) to identify signs of risk or opportunity. Lead regular success reviews and QBRs, presenting key performance metrics and insights to client executives. Recommend action plans to address service gaps or evolving needs.
• Issue Resolution Cross-Functional Coordination - Take ownership of customer issues and coordinate cross-functional resolution, engaging internal experts to troubleshoot and swiftly resolve problems. Act as the customer champion in internal discussions, documenting interactions and ensuring service levels are met. Drive timely resolutions to maintain operational continuity.
• Retention Renewal Management - Develop and execute strategies to retain customers and secure renewals, mitigating churn. Analyze account health data to identify at-risk accounts or partial disconnect requests and address root causes proactively. Lead contract renewal processes, negotiate terms, and finalize agreements that maintain or grow revenue.
• Account Growth Upsell - Drive account expansion by identifying and executing cross-sell and upsell opportunities based on customer needs and usage data. Prepare and present proposals for new solutions, partnering with Sales and Solutions Engineering on complex opportunities that align with customer goals.

Education and Work Experience

• Bachelor's Degree Business Administration, Management, or related field (Preferred)
• Master's/Advanced Degree Business Administration, Management, or related field (Preferred)
• 4-7 years Managing customer relationships and account management in business segments such as Government, Strategic, or Enterprise (Required)
• 2-4 years Coordinating with multiple departments such as sales, engineering, support, and operations to meet contract commitments and resolve issues (Required)
• 2-4 years Collaborating with sales teams to identify upsell and cross-sell opportunities and develop strategies to increase account value (Preferred)

Knowledge, Skills and Abilities

• Client Relationship Management Strong skills in managing client relationships at an executive level, ensuring customer satisfaction and loyalty. (Required)
• Cross Functional Relationships Ability to coordinate with multiple departments such as sales, engineering, support, and operations to meet customer needs and resolve issues. (Required)
• Strategic Thinking Capability to develop strategic plans for customer account growth through upselling and cross-selling. (Required)
• Problem Solving Proficient in identifying problems and coordinating resources to provide effective solutions. (Required)
• Leadership Experience in leading teams and managing a distributed workforce to achieve business goals. (Required)
• Analytics Ability to analyze customer data to identify trends and opportunities f