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The Sourcing & Supplier Manager, Accessories plays a critical role in executing supplier strategy and operational programs that support T-Mobile’s Accessories business. This role owns the day-to-day management of supplier agreements, RFP processes, contract execution, and funding compliance for category-level vendors across the Protection or Tech portfolios.
Working closely with Sr. Category Managers, this role ensures suppliers deliver against contractual commitments while helping optimize funding structures, maintain operational discipline, and support successful product launches. The Supplier Manager serves as the primary operational bridge between Category Management, Legal, Finance, Supply Chain, and Supplier partners — ensuring supplier programs are executed with transparency, accountability, and measurable business impact.
This position is ideal for someone who thrives in a fast-paced environment, is highly organized, and brings strong relationship management skills while driving structured, scalable supplier operations.
Responsibilities:
• Contract Negotiation & Commercial Agreements Lead negotiation and execution of supplier agreements including MSAs, Addendums, Product Supplements, and promotional funding agreements. Partner closely with Legal and Finance to ensure contract compliance, favorable commercial terms, and timely execution.
• RFP Process Ownership Lead the end-to-end Request for Proposal (RFP) process for category-level suppliers, including timeline management, supplier communication, documentation, and evaluation coordination. Partner closely with Sr. Category Managers to ensure RFP outcomes align with product strategy and business needs. • MDF & Funding Optimization Negotiate and Manage Supplier Marketing Development Funds (MDF) and related funding programs. Ensure funding agreements are clearly documented, proof-of-performance requirements are met, and funds are accurately invoiced and collected. • Supplier Performance & Business Reviews Lead supplier Quarterly Business Reviews (QBRs), performance reporting, and executive briefings. Provide insights on product performance, promotional effectiveness, and opportunities to improve commercial outcomes. • Cross-Functional Alignment Partner with Category Management, Finance, Legal, Supply Chain, and Commercialization teams to ensure suppliers are aligned with product launches, promotional calendars, and operational requirements. • Vendor Onboarding & Operational Support Manage supplier onboarding, documentation, and internal approvals required for new vendors. Ensure suppliers are fully enabled to operate within T-Mobile’s systems, processes, and launch timelines.
• Program & Process Improvement Continuously improve supplier management processes by building scalable workflows, templates, and tracking mechanisms that increase efficiency, transparency, and accountability across the supplier ecosystem.
Qualifications:
- 4–7 years of experience in supplier management, sourcing, product management, procurement, or program management within retail, telecommunications, or consumer electronics.
- Experience negotiating and managing supplier contracts, RFP processes, or vendor operational programs.
- Familiarity with supplier funding structures such as MDF and proof-of-performance requirements.
- Strong organizational and project management skills with the ability to manage multiple workstreams simultaneously.
- Strong analytical and financial acumen with the ability to evaluate tradeoffs and drive data-informed decisions.
- Excellent communication and relationship-building skills, with the ability to influence both internal stakeholders and external partners.
- Experience working cross-functionally across legal, finance, product, supply chain and marketing teams.
- Proficiency with Excel, project tracking tools, AI tools, and reporting platforms.
- Bachelor’s degree required; supply chain, business, or related field preferred.
What You’ll Bring:
- A strategic mindset and strong commercial instincts.
- The ability to build trusted relationships with both suppliers and internal partners.
- Confidence in negotiations and the ability to drive win-win outcomes.
- A proactive, solutions-oriented approach to complex challenges.
- The discipline to create structure, accountability, and clarity in supplier programs.
- A passion for delivering results that strengthen T-Mobile’s Accessories business.
- A disciplined and structured approach to supplier management and operational execution.
- A customer-first mindset that ensures supplier programs ultimately support the best experience for T-Mobile customers.
- At least 18 years of age
- Legally authorized to work in the United States
Travel: Travel Required (Yes/No): Yes
DOT Regulated: DOT Regulated Position (Yes/No): No Safety Sensitive Position (Yes/No): No
Base Pay Range: $100,100 - $180,600
Corporate Bonus Target: 15%
The pay range above is the general base pay range for a successful candidate in the role. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.
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. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ349416¶dox=1
At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - 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, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out _www.t-mobilebenefits.com_.
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!
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.
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