Principal Designer - Foundations

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!

Join T-Mobile’s Product, Experience Design & Innovation team as a Principal Product Designer for the Foundations team, where you’ll play a key role in shaping the future of our digital experiences. You’ll lead the reimagination of enterprise-wide products, defining a compelling vision and designing both new features and enhancements.

In this role, you’ll architect scalable UX/UI patterns and clear information structures across platforms—ensuring consistency, clarity, and usability. Collaborating with Product, Business, and Engineering partners, you’ll champion customer-centric solutions that span journeys, navigation, onboarding, and more.

You’ll also mentor designers and drive cross-functional alignment through a systems-thinking mindset. If you love big ideas, complex challenges, and amazing teammates—we’re saving a seat for you.

Job Responsibilities:

Strategy

• Drive the UX Roadmap and strategy framework through partnership with key leaders and other Principal Designers to ensure cohesive product experience across lines of businesses
• Lead information architecture (IA) efforts—auditing, defining, and evolving content structures, navigation frameworks, and taxonomies across key user journeys.
• Act as an evangelist for design thinking, partnering with key leaders to demonstrate how design empowers the creation of better digital products
• Lead a design and user experience team in the creation of enterprise applications, design frameworks, visual libraries, and scalable interface assets
• Collaborate with Engineering key leaders to understand and identify tech possibilities and constraints on LOB and company
• Serve as the connective tissue across design, product, and engineering—ensuring alignment on IA, flows, and user context across lines of business.

User Experience

• Provide constructive feedback on peer user experience design reviews that’s focused on the big picture and future enterprise vision.   
• Create high-level UX assets (workflow, customer journey map, prototype, etc.)
• Collaborates with User Researchers and other Principal designers to maintain consistency across the digital ecosystem and organization
• Demonstrates ability to work with highly technical teams and handle multiple projects in a fast-paced environment.
• Analyze research data findings to well understand customer pain points, identify business opportunities, and create a compelling story to drive customer-centric design solutions
• Influence LOB/enterprise key leadership team by providing design recommendations backed with sound design reasons and solid customer-centric data

Relationship Management

• Guide, mentor and inspire other designers in the team, keeping up with the design industry evolution including best practices, new trends and technologies.
• Provide feedback and direction to ensure intuitive and innovative solutions and drive consistency following established design principles, guidelines and patterns.
• Collaborate internally and externally to continuously evolve team processes and design practice.
• Create an environment that fosters internal and cross team collaboration.

Qualifications:

• Education: Bachelors Degree in human-centered design, computer science, research, psychology, or related work experience
• Work Experience:
• 7-10 years of experience of user experience, digital strategy, or product management
• 2+ years experience working in Figma
• Demonstrates ability to lead highly technical, highly complex projects with cross-functional teams of strategists, designers, and engineers in a fast-paced environment.
• Willingness to roll up the sleeves and lead by example when required
• Outstanding interpersonal, communication, presentation, data analysis, and storytelling skills
• Excellent collaborator
• Demonstrates a high level of executive accountability, initiative, flexibility, and the ability to prioritize resource workload to efficiently deliver results.
• Comfortable working in an ambiguous environment
• Exceptional portfolio of work spanning multiple design projects

• At least 18 years of age
• Legally authorized to work in the United States
Travel:
Travel Required (Yes/No):Yes
DOT Regulated:
DOT Regulated Position (Yes/No):No
Safety Sensitive Position (Yes/No):No
T-Mobile's Commitment

Base Pay Range: $115,400 - $208,100

Corporate Bonus Target: 20%

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 experience, so the actual starting pay will vary within this range.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ315092¶dox=1

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.

Never stop growing!
As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!
T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.
Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.