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! The Roaming and Wholesale organization at T-Mobile is at the forefront of innovation, driving new solutions, emerging technologies, and strategic vendor partnerships to support evolving business and customer needs. The Roaming & Wholesale Product management team is responsible for enabling seamless customer experiences and managing the lifecycle of products and solutions delivered internally or through strategic vendor partnerships. The Senior Vendor Manager for Roaming and Wholesale Products & Solutions is responsible for managing key vendor relationships that support roaming capabilities and back‑office functions for commercial, finance, analytics, and accounting teams involved in roaming partnerships. This role ensures that vendor‑delivered products and services align with business objectives, contractual commitments, technology evolution, and applicable GSMA standards. This position serves as the central liaison between internal stakeholders and external vendors to ensure clear requirements, effective delivery, strong operational performance, and ongoing service improvement. Job Responsibilities Manage strategic vendor relationships supporting roaming and wholesale products and solutions. Act as the primary point of contact for vendor performance, quarterly business reviews, escalations, issue resolution, and service improvement initiatives. Build and maintain strong relationships with vendors to align expectations, improve delivery reliability, and support long‑term business goals. Ensure vendor contracts remain aligned with technology evolution, business priorities, and the latest GSMA and wireless industry standards. Drive accountability across both T‑Mobile and vendor teams for implementation, service levels, deliverables, and compliance with contractual terms. Partner with internal stakeholders across Commercial, Analytics, Network, Finance, Accounting, Operations, Engineering, and IT to gather, clarify, and prioritize business needs. Translate business needs into clear requirements and work with vendors or internal delivery teams to ensure solutions are developed, tested, and delivered accurately and on time. Resolve conflicting requirements, manage trade‑off decisions, and ensure alignment between business priorities and vendor capabilities. Oversee end‑to‑end lifecycle management for vendor‑supported roaming and wholesale products and operational solutions, from intake through delivery and ongoing support. Produce and maintain clear business documentation, including BRDs, operational requirements, user stories, acceptance criteria, and vendor deliverables where applicable. Maintain a current understanding of GSMA standards and wireless industry trends in Retail and IoT Roaming, and assess their impact on vendor strategy, contracts, and service roadmap. Collaborate with vendors and internal partners to assess emerging opportunities, risks, and required changes to product or service capabilities. Support P&L and budget goals by identifying opportunities for cost savings, service quality improvement, and operational efficiency. Partner with leadership to support back‑office budget planning for projects, vendor investments, and service improvements. Ensure enterprise processes are followed to secure and maintain funding for vendor‑supported initiatives and help remove blockers impacting delivery. Participate in Big Room / Program Increment planning and other major Agile planning sessions and governance forums as needed to align vendor delivery with business priorities. Coordinate communication and activities across internal teams and vendors to ensure consistent execution and transparency. Manage vendor resource performance and delivery accountability, where applicable. Work collaboratively with Product, RTEs, Scrum Masters, Engineering, IT, and Operations teams to support successful solution delivery and operational readiness. Take on other duties and special projects as assigned by business leadership. Education and Work Experience Bachelor's Degree plus 3 years of related work experience OR advanced degree with 1 year of related work experience OR combination of education and experience deemed equivalent (Required) 2‑4 years of Product Management or Vendor management experience in telecommunications, roaming, enterprise platforms, or highly technical product environments Proven record building and launching complex, platform‑based products integrating across network, BSS/OSS, and partner ecosystems Experience leading 0→1 product development and/or large‑scale product transformations preferred Knowledge, Skills and Abilities Telecom Domain Expertise: Deep understanding of wireless networks, roaming platforms, and/or billing and customer management platforms (BSS/OSS) Product Lifecycle Management: Proven success delivering large, complex initiatives across multiple teams and systems Strategic Thinking & Monetization: Ability to identify and develop new revenue opportunities, including value‑added services and product packaging strategies Communication & Influence: Proven ability to communicate complex technical and business concepts clearly to stakeholders at all levels, including executive leadership Analytical Skills: Strong ability to analyze and synthesize data to drive product decisions and measure impact Customer‑Centric Mindset: Demonstrated ability to translate customer and partner needs into scalable product solutions At least 18 years of age Legally authorized to work in the United States Travel Travel Required: No DOT Regulated DOT Regulated Position: No Safety Sensitive Position: No Base Pay Range $90,400 - $163,100. Corporate Bonus Target: 15%. The pay range above is the general base pay range for a successful candidate in the role. The actual starting pay will vary within this range based on work location, qualifications, and experience. Benefits At T‑Mobile, employees in regular, non‑temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Full and part‑time employees have access to the same benefits when eligible. Benefits include medical, dental, vision, flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off, paid holidays, parental and family leave, family building benefits, backup 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 & home internet discounts, pet insurance, and access to commuter and transit programs. Growth and Culture Never stop growing! As part of the T‑Mobile team, you know the Un‑carrier doesn’t have a corporate ladder— it’s more like a jungle gym of possibilities. We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth—and we applaud it. You’re unstoppable! Equal Opportunity Employer 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. Accommodation Contact 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 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. #J-18808-Ljbffr