Senior Sourcing Manager- Supply Chain, Logistics & Transportation Services

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 work on site at least 3 days a week at our Frisco, TX, Overland Park, KS, or Herndon, VA office. It is not available for remote opportunity.*

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 ves as a source of best practices to be implemented by more junior team members.

• 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.

• 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.

• We’re the Un-carrier — bold, fast, and customer-obsessed. Our Supply Chain team is on a digitization journey to redefine agility, resilience, and customer experience. As a Sr. Sourcing Manager, you’ll have the influence and visibility to make real impact — driving supplier innovation, efficiency, and performance that bring our Un-carrier vision to life.

• Project Management (Required)
• Microsoft Office (Required)
• RFP/RFI Development (Required)
• Contract Negotiation (Required)
• Communication (Required)
• Strategic Sourcing (Required)
• Supplier Management (Required)

• Certified Property Manager (CPM) (Preferred)
• Certified Compensation Professional (CCP) (Preferred)

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

Travel Required (Yes/No):
Yes

DOT Regulated Position (Yes/No):
No

Safety Sensitive Position (Yes/No):
No

Overland Park, KS Compensation Range: $118,000 - $159,600

Frisco, TX Compensation Range: $125,200 - $169,400

Herndo…