Sr. MSC Source to Pay Manager

Location: Overland Park, Kansas

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 3 days a week. It is not available for remote opportunity.*

The Sr MSC Source to Pay Manager drives T-Mobile’s cost-optimization initiatives, strengthens vendor performance, and leads complex technical programs that enhance operational efficiency and financial performance. This role brings together deep knowledge of network cost structures, vendor governance, and technical project management to deliver measurable cost savings, ensure compliance, guide key cross-functional initiatives, and support the development of scalable processes and reporting.

The role also serves as a mentor and trainer within the organization, developing team capabilities and championing continuous improvement. The Sr MSC STP Manager oversees the lifecycle of more than 500 IT hardware and software contracts, including licensing and renewal tracking, 120-day advance planning, cancellation-notice deadlines, and Zip requests. It coordinates cross-functional approval gates, helps Finance forecast, and purchase order activities, and applies total cost of ownership and return on investment analyses to optimize cost and risk

Job Responsibilities

Cost Optimization & Financial Management - Lead identification, analysis, and execution of cost-savings initiatives across network facilities, contracts, and operational processes. Own complex cost-reporting models and forecasting tools to track savings and identify emerging financial risks or opportunities. Partner with Transport, Engineering, Procurement, Billing Operations, Legal, and Finance to ensure transparency, accuracy, and alignment in cost-related activities.

Perform total cost of ownership and return on investment analyses to support funding decisions and optimize cost and risk, while coordinating contract-execution status, forecast updates, and purchase order inputs with Finance.

Vendor Oversight & Performance Governance - Manage relationships with key vendors, ensure contract compliance, resolve escalations, and enforce accountability. Develop and maintain performance scorecards, dashboards, and metrics to monitor both vendor and third-party partner outcomes. Collaborate with stakeholders to implement strategic sourcing, mitigate risk, and improve vendor processes and billing accuracy. Oversee the renewal lifecycle for more than 500 IT hardware and software contracts, maintaining licensing and renewal records, initiating planning 120 days in advance, and managing cancellation-notice deadlines.

Coordinate cross-functional approval gates and initiate Zip requests after budget and management approvals, monitoring the workflow through Third-Party Risk Management, Cybersecurity, Legal, Procurement, and final approvals.

Technical Program & Project Leadership - Lead large, complex technical initiatives involving cost, network changes, operational enhancements, and systems/process improvements. Oversee work breakdown structures, project schedules, risks, dependencies, and program governance standards. Communicate project status, escalate risks, resolve issues early, and coordinate activities across highly matrixed teams.

Training and Process Development - Train team members on cost tools, vendor management processes, systems, and analytic frameworks; serve as subject matter expert and mentor. Develop standard operating procedures, documentation, and scalable processes that support accuracy, compliance, and operational excellence.

SOX Compliance - Own and execute SOX-relevant controls, ensuring accuracy, audit readiness, and compliance with internal financial governance standards.

Also responsible for other Duties/Projects as assigned by business management as needed.