Senior Director, Product Design & User Experience

T-Mobile is in pursuit of exceptional talent to join our executive team. We’re committed to excellence and innovation, and we are on the lookout for a leader who can steer our company towards new heights of success. In this pivotal role, you will be responsible for driving strategic initiatives and leading a talented team of professionals. The ideal candidate will possess a proven track record of success, demonstrating a keen ability to navigate complex challenges and capitalize on emerging opportunities.

As a key member of our executive team, you will play a crucial role in shaping and executing our organizational strategy and contributing to our continued growth and market leadership. Join us in our commitment to driving innovation, inspiring collaboration, fostering a positive company culture, and achieving unparalleled success.

The Sr Director, Product Design & User Experience defines and executes T-Mobile's enterprise design vision across all digital channels, including T-Life, Web, assisted, Conversational Design, Digital Accessibility, and User Research. This role owns the end-to-end user experience strategy for how 140M customers interact with T-Mobile's digital ecosystem from design systems and accessibility governance to research-driven decision-making and experience performance KPIs. Reporting to the SVP, Product Management, this leader is accountable for driving conversion, engagement, unassisted adoption, and brand differentiation through best-in-class digital product experience at enterprise scale.

• Define and execute the enterprise experience strategy across all digital channels, ensuring alignment to growth, engagement, and unassisted adoption goals. Establish the end-to-end design vision and governance model that shapes how T-Mobile delivers digital experiences to our customers.
• Own enterprise design systems and accessibility governance: develop and maintain scalable design systems, WCAG-compliant accessibility standards, and conversational design frameworks that ensure consistency, speed, compliance, and quality across all product platforms.
• Lead and scale the Product Experience organization: build, mentor, and develop a high-performing team of Product Designers, Conversational Designers, Accessibility specialists, and User Researchers. Establish operating rhythms and talent development plans to measure success.
• Partner cross-functionally with Product, Engineering, Marketing, CARE, Retail, Data, and Finance leaders to translate strategy into intuitive experiences that improve conversion, containment, engagement, and retention.
• Establish and track experience performance metrics, defining KPIs that link design outcomes to business results, including conversion lift, MAU growth, churn reduction, CPA impact and task completion rates.
• May be required to serve on cross-functional enterprise technology governance committees or special projects as assigned.

• 12+ years of relevant experience in product experience, UX/UI design, product design, or digital product leadership, with 5+ years leading teams.
• Demonstrated ability to set product experience strategy, lead human-centered design practices, improve customer journeys, and partner effectively with executive collaborators.
• Experience with mobile and web digital products, design systems, customer research, and data-driven decision-making.
• Industry experience in telecom, consumer technology, or large-scale digital platforms preferred.
• Experience building and governing enterprise-scale design systems and accessibility standards (WCAG and international guidelines), including hands-on ownership of experiential design (motion, emotion, transition consistency) across consumer-facing digital journeys.
• Experience institutionalizing user research, usability validation, and insight generation across the product lifecycle, ensuring design and product investments are evidence-based and tied to measurable outcomes.
• Advanced experience with design execution, rapid prototyping, and creative workflow/asset management systems.
• Proven track record driving measurable business outcomes (acquisition, interest, unassisted adoption) through…