Senior Sourcing Manager- Supply Chain, Logistics & Transportation Services

T-Mobile • Frisco, TX

22d • $108,400 - $195,500 • Onsite

About The Position

At T-Mobile, we’re transforming how Supply Chain connects innovation to customers — delivering on our Un-carrier promise through smarter, faster, and more sustainable operations. As a Sr. Sourcing Manager, you’ll play a pivotal role in shaping how T-Mobile manages all elements of our supply chain, this could be forward and reverse logistics, with 3PL/4PL partnerships, handset repair/refurbishment, transportation, and value-added services that keep millions of devices moving seamlessly across our network. The Sr Sourcing Manager contributes focused expertise and drives a culture of spending discipline for strategic vendors/categories (highly critical to current and future business operations) via the employment of efficient, effective, and best in class strategic sourcing, contract management, negotiation, and supplier management practices. Serves as a central point of contact for strategic suppliers in the Network and Device Supply Chain procurement group. Interfaces with senior leadership both within T-Mobile and at suppliers. Serves as a source of best practices to be implemented by more junior team members.

Requirements

• Bachelor's degree in Business, Supply Chain, or related field or equivalent experience required (MBA or certifications like CPSM/CSCP/PMP preferred).
• 7–10 years of strategic sourcing or supply chain experience, ideally within 3pl management, distribution, or repair/refurbishment. (Required)
• 7-10 years - Extensive experience managing Business Requirements, Project Plans, Project Schedules and associated project materials in a mid to large size company.
• Proven ability to manage complex supplier ecosystems (3PL/4PL, logistics, value-added services, reverse logistics).
• Strong negotiation, program management, and stakeholder engagement skills.
• Project Management (Required)
• Microsoft Office (Required)
• RFP/RFI Development (Required)
• Contract Negotiation (Required)
• Communication (Required)
• Strategic Sourcing (Required)
• Supplier Management (Required)
• At least 18 years of age
• Legally authorized to work in the United States
• Travel Required (Yes/No): Yes

Nice To Haves

• MBA or certifications like CPSM/CSCP/PMP preferred
• Certified Property Manager (CPM) (Preferred)
• Certified Compensation Professional (CCP) (Preferred)

Responsibilities

• Develop and execute category strategies across various supply chain categories such as logistics, repair/refurbishment, and value-added fulfillment to optimize cost, service, and resilience.
• Lead complex contract negotiations and supplier relationships that drive accountability and innovation.
• Manage end-to-end sourcing programs with strong governance, timelines, and performance metrics.
• Partner with senior leaders across Supply Chain, Finance, and Technology to influence decisions and align sourcing strategies to business goals.
• Monitor supply market trends, benchmark best practices, and drive continuous improvement in supplier performance.
• Some travel may be required to collaborate with suppliers and operational teams.

Benefits

• 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.
• 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.
• 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.
• eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees