Vendor Performance Manager

T-MOBILE USA, Inc.; Overland Park (KS); Hybrid; USD 72,000 - 98,000; Full time

Job summary

A leading telecommunications provider is looking for a Specialist in Vendor Performance Management to enhance vendor relationships and drive operational excellence. The role involves managing vendor performance metrics, building dashboards, and supporting contract lifecycle management. Ideal candidates will have a Bachelor's degree and extensive vendor management experience, with strong analytical and interpersonal skills. This position requires in-office presence at least 3 days a week.

Benefits

Annual stock grant

Employee stock purchase plan

401(k) plan

Access to free money coaches

Qualifications

• 4-7 years experience with vendor/partner relationships and managing communications.
• 2-4 years developing and implementing improvement plans for vendors.
• 2-4 years implementing structured frameworks for vendor management.

Responsibilities

• Manage communications between T-Mobile and vendors to enhance business relationships.
• Develop dashboards for real-time insights into vendor performance.
• Monitor vendor metrics and effectively communicate analysis and insights.

Skills

Leadership

Strategic Thinking

Vendor Management Expertise

Cross-Functional Relationships

Analytics

Negotiation

Microsoft Excel proficiency

Communication

Project Management

Education

Bachelor’s Degree in Business Administration or related field

Tools

Excel

Power BI

SQL-based platforms

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!

*This position is required to come into the office at least 3 days a week*

Job Overview

The Specialist, Vendor Performance Management at T-Mobile is responsible for managing communications and coordination of key activities between T-Mobile and its vendors, enhancing interactions and transactions. This role implements a structured framework for vendor management, ensuring vendors meet contractual obligations, performance metrics, and service standards. In addition to strengthening business relationships and driving operational excellence, this role places a strong emphasis on data‑driven decision‑making. The Specialist leverages analytics to monitor vendor performance, identify trends, and optimize value delivery. By developing performance dashboards, conducting deep‑ dive analyses, and applying predictive models, the Specialist plays a critical role in improving service quality, financial outcomes, and vendor alignment with T-Mobile’s strategic objectives. Working closely with internal teams and leadership, the Specialist supports contract lifecycle management, risk mitigation, and cost optimization through robust quantitative analysis and supplier management best practices. This role is pivotal in ensuring that T-Mobile’s vendor ecosystem operates efficiently, transparently, and in alignment with business priorities.

Job Responsibilities

• Manages communications and coordination between T-Mobile and its vendors to enhance interactions, transactions and business relationship.
• Develops and maintains dashboards and reporting tools to provide real‑time insights into vendor performance, service level adherence, and spend efficiency using tools such as Excel, Power BI, or SQL‑based platforms.
• Monitors and synthesizes a variety of vendor metrics and KPIs, and effectively communicates analysis and insights to a wide range of audiences.
• Implements a structured framework for vendor management, ensuring compliance with contractual obligations and performance metrics.
• Develops metrics and implements improvement plans to boost vendor performance and productivity.
• Optimizes value to T-Mobile and provides support to the vendor management team through effective supplier management strategies and streamlined processes.
• Strengthens business relationships through diligent oversight and strategic supplier coordination.
• Also responsible for other duties/projects as assigned by business management as needed.

Education and Work Experience

• Bachelor’s Degree in Business Administration, Supply Chain Management, or related field (Required)
• 4‑7 years experience with vendor/partner relationships, managing communications and ensuring compliance with contractual obligations. (Required)
• 2‑4 years developing and implementing improvement plans for vendors to enhance performance and support strategic objectives. (Required)
• 2‑4 years implementing and managing structured frameworks for vendor management to optimize performance metrics and productivity. (Required)

Knowledge, Skills and Abilities

• Leadership: Ability to lead and influence both internal and external teams to achieve business objectives and improve vendor performance. (Required)
• Strategic Thinking: Capability to develop strategic approaches to vendor management that align with T-Mobile’s overall business goals. (Required)
• Vendor Management Expertise: In managing effective business relationships and contracts to ensure compliance and performance metrics are met. (Required)
• Cross‑Functional Relationships: Ability to work effectively across different departments within T-Mobile to ensure cohesive vendor management strategies. (Required)
• Analytics: Ability to analyze vendor performance data to identify trends and areas for improvement. (Required)
• Negotiation: Strong negotiation skills to secure favorable terms and manage contracts effectively with various vendors. (Preferred)
• Microsoft Excel proficiency: In Microsoft Excel for data analysis, reporting, and tracking vendor metrics. (Required)
• Communication: Strong verbal and written communication skills to effectively negotiate with and manage expectations of vendors. (Required)
• Project Management: Skills in managing projects related to vendor transitions, implementations, and performance evaluations. (Required)

• At least 18 years of age
• Legally authorized to work in the United States

Travel

Travel Required: No

Compensation

Overland Park, KS: $72,200 – $97,700

Frisco, TX: $76,600 – $103,700

Base Pay Range: $66,300 – $119,600

Corporate Bonus Target: 10%

Employment

At T‑Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated. Talent comes in all forms at the Un‑carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing ApplicantAccommodation@t‑mobile.com or calling 1‑844‑873‑9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non‑accommodation related requests.