Enterprise Sourcing Manager - Indirect Procurement

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* This role requires working on‑site five days per week. Remote work is not available for this position. T‑Mobile is unable to sponsor a work visa for this position.*

The Enterprise Sourcing Manager within T‑Mobile’s Indirect Procurement organization is a strategic partner responsible for handling and optimizing spend across multiple indirect categories. This role leads end‑to‑end sourcing and contracting activities—from category strategy development and RFP execution through contract negotiation and execution—ensuring T‑Mobile secures best‑in‑class suppliers and terms that support our workforce and culture goals.

The ideal candidate brings expertise in strategic sourcing and supplier relationship management, combined with a strong ability to collaborate with business stakeholders to align procurement initiatives with T‑Mobile’s talent and operational strategy. This position uses data‑driven insights, modern AI‑powered tools, and market intelligence to drive cost efficiency, mitigate supply risk, and continuously improve supplier performance across a sophisticated and high‑visibility category portfolio.

This role is the primary sourcing owner for the following sub‑categories:

• Talent Acquisition:
  Staffing agencies, RPO providers, background screening, recruiting technology platforms, and candidate assessment tools.
• Learning & Development: E‑learning platforms, instructor‑led training vendors, leadership development programs, and LMS solutions.
• Compensation:
  Compensation benchmarking and survey providers, total rewards consulting, and equity administration services.
• Relay & Accessibility:
  Communication relay services, accessibility technology, and captioning/interpretation vendors supporting T‑Mobile’s workforce accessibility commitments.
• Other Sourcing Categories

• Develop and implement category strategies for Talent Acquisition, Learning & Development, Compensation, and Relay & Accessibility that align with T‑Mobile’s business objectives and HR priorities.
• Lead end‑to‑end sourcing processes including requirements gathering, RFP/RFI development, proposal evaluation, supplier selection, and contract negotiation to deliver optimal value and terms.
• Negotiate and handle long‑term supplier contracts, ensuring favorable commercial terms, SLAs, and compliance with T‑Mobile’s legal and risk requirements.
• Build and maintain strong supplier relationships through regular business reviews, performance score‑carding, and proactive issue resolution to drive continuous improvement.
• Leverage AI‑powered procurement tools, spend analytics, and market intelligence to generate insights, identify savings opportunities, and support data‑driven sourcing decisions.
• Collaborate cross‑functionally with HR, Legal, Finance, and business stakeholders to ensure sourcing strategies and supplier engagements meet operational and compliance needs.

• 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. Acceptable areas of study include Supply Chain, Business, HR, or related field (Required).

• 4‑7 years – Strategic sourcing and contracting across professional services or HR/People categories (Talent Acquisition, L&D, Compensation, or similar).
• 4–7 years – Category strategy development, including spend analysis, market benchmarking, RFP/RFI management, and supplier selection.
• 4–7 years – Contract negotiation and lifecycle management in a corporate procurement environment.
• 2–4 years – Supplier relationship management and performance management, including QBRs and score‑carding.
• 1–3 years – Experience using…