New

Principal UX Designer, AI Content and Conversation

T-MOBILE USA, Inc.
$115,400 - $208,100Corporate Bonus Target: 20%
life insurance, vision insurance, flexible benefit account, paid time off, paid holidays, tuition assistance, 401(k)
United States, Virginia, Herndon
2340 Dulles Corner Boulevard (Show on map)
Sep 12, 2025
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! Our Product Experience Design & Innovation org is looking for a Principal Designer with strong content and conversation design skills. In this role, you will tap into your passion for storytelling and communicate with our customers throughout the product lifecycle. You will own the development and execution of product content strategy to support high-visibility initiatives and will be responsible for articulating how the strategy will improve our customer experience. You will deliver high-value, relevant and engaging content that is safe, clear, accessible and inclusive for all T-Mobile's customers. As a principal content designer, you will guide and mentor others and set the tone for the team. You will work backwards from user research, usability studies, and competitive analysis to create the content our customers need. You should be able to work in a fast-paced, agile environment and show a bias for action. This role collaborates on planning and execution with designers, product managers, and others across teams. As an integral part of our storytelling process, you'll work on a wide range of tasks, from developing frameworks, to ensuring consistency across all our platforms, to designing information architecture, to owning content quality for large areas of the business. In addition, in the AI space, you will help develop guidelines like voice and tone, and patterns for product scenarios for conversational interactions in AI experiences, ensuring that they are customer-friendly and accurate. Please include a portfolio with your application. Your portfolio should show 2-3 samples of UX Content Design work and/or AI conversation design work. These samples should demonstrate design thinking and process rather than just the finished project. Job Responsibilities: Work closely with UX, Product, and Marketing cross-functional team members to ensure seamless user experiences. Communicate complex product features and benefits in clear language to help customers understand and use T-Mobile's products and services. Be a champion for the customer and work to balance business goals and customer needs. Participate in research and use insights from qualitative and quantitative studies and business analytics to solve customer problems. Contribute to style guides and help establish language and tone consistency across all platforms. Guide the development and optimization of content to achieve specific goals and address customer needs. Use human-centered design methods to design, craft, and test content solutions that address real customer challenges. Design content solutions to improve systems, overcome technical constraints, and reduce content debt. Identify and champion the most efficient content workflows possible. Organize existing content, create guidelines for future content, and ensure that all content aligns across channels. Audit content to identify strengths and weaknesses in order to optimize content strategy and performance. Education and Work Experience: Bachelor's Degree in Computer Science or related field 7+ years related working experience (required) Experience collaborating with internal cross-functional partners to plan, develop, write and edit product content Experience working through ambiguity and executing complex projects Strong grammar and editing skills Ability to balance design quality with business and customer needs Prompt engineering experience (preferred) Conversation design experience, particularly GenAI conversation design experience (preferred) Knowledge, Skills and Abilities: User Experience Design (Required) Communication kills (Required) Presentation skills (Required) Analytics (Required) General knowledge + ability to learn fast about rapidly changing tech in the AI space (preferred) Leadership (preferred) Bilingual, Spanish language (preferred) Licenses and Certifications: 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 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, click here. 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.