Vendor Manager, IT

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* This position is required to work onsite at our Frisco, TX or Overland Park, KS office at least 3 days a week. It is not available for remote opportunity.*

The Vendor Manager supports the performance, value, and resilience of T‑Mobile’s strategic technology partners by executing vendor management frameworks that ensure consistent delivery against contractual commitments, service level agreements (SLAs), and compliance requirements. This role plays a key part in maintaining strong vendor relationships that drive operational reliability, innovation, and business outcomes.

Working under the guidance of senior leaders, the Vendor Manager monitors vendor performance, financial health, security posture, and compliance metrics to identify issues, recommend corrective actions, and support proactive risk management.

By collaborating closely with Procurement, IT, Finance, Legal, and business stakeholders, this role helps ensure vendors deliver measurable value aligned with T‑Mobile’s digital transformation and customer experience goals.

The Vendor Manager also contributes to continuous improvement efforts by applying market insights, supporting vendor scorecards and performance reviews, and identifying opportunities for cost optimization and service enhancements.

Through disciplined execution and effective communication, this role strengthens T‑Mobile’s vendor ecosystem as a reliable, compliant, and value‑driven enabler of business success.

• Conducts Vendor Business Reviews, tracks action plans, and creates CIO briefing documents.
• Reviews and enforces contractual terms and service level expectations.
• Develops, recommends, and/or implements strategic initiatives associated with improving practices.
• Manages, establishes, and develops policies and schedules.
• Collaborates with inter‑ and intra‑departmental stakeholders on Vendor Management content and processes.
• Contributes to organization’s body of knowledge on process design, modeling, execution, monitoring and optimization.
• Sets performance direction which translates broader initiatives into clear team objectives and concrete goals that align with other groups for efficient, coordinated action.
• Creates clear and measurable goals. Holds self and vendors accountable.
• Monitors progress and results; gives feedback effectively to vendors and makes tough decisions when appropriate.
• Creates and manages key metrics (e.g. Service Level Agreements, Operating Level Agreements) and Policies.
• Directs the lifecycle activities for existing contracts.
• Identifies new technology solutions and works closely with internal business partners to forecast future needs and to develop cost effective strategies aligned with business objectives.
• Drive strategy and selection of vendors.
• Experience creating communications for a leadership audience.

• Bachelor's Degree Business or Technical Discipline or equivalent experience. (Required)
• 4‑7 years - Experience with in a technical field required.

• Communication (Required)
• Project Management (Required)
• Technical Writing (Required)
• Organization (Required)
• Microsoft Office (Required)

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

Travel Required (Yes/No):
No

DOT Regulated Position (Yes/No):
No

Safety Sensitive Position (Yes/No):
No

Overland Park, KS Compensation Range: $85,200 - $115,300

Frisco, TX Compensation Range: $90,400 - $122,400

Base Pay Range: $78,300 - $141,200

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…