Senior UX Researcher, B2B SaaS

📍 Job Overview

Job Title: Senior UX Researcher, B2B SaaS

Company: T-Mobile

Location: Philadelphia, Pennsylvania, United States

Job Type: Full-time

Category: User Experience Research / Product Operations

Date Posted: November 4, 2026

Experience Level: 5-10 years

Remote Status: On-site

🚀 Role Summary

• Lead comprehensive user research initiatives for T-Mobile's innovative B2B SaaS programmatic advertising platform.

• Establish and scale robust research processes, repositories, and best practices within the T-Ads Programmatic Advertising team.

• Conduct both generative and evaluative research to deeply understand complex enterprise B2B user workflows, data-rich interfaces, and decision-making processes.

• Translate qualitative and quantitative research findings, alongside product analytics, into actionable insights that directly inform product strategy, design decisions, and UX success metrics for the Digital Out-of-Home (DOOH) marketplace.

📝 Enhancement Note: This role is the first dedicated research hire for the T-Ads Programmatic Advertising team, indicating a significant opportunity to shape the research function, establish foundational processes, and influence product direction from the ground up within a B2B SaaS context. The focus on DOOH advertising suggests a specialized and complex market requiring a deep understanding of advertising technology and enterprise client needs.

📈 Primary Responsibilities

• Research Design & Execution: Scope, plan, and execute a range of qualitative and quantitative research methodologies, including but not limited to:

  • In-depth user interviews with multiple user types (buyers, sellers, optimizers).
  • Usability studies for complex, data-intensive enterprise workflows.
  • Heuristic evaluations to identify potential usability issues.
  • Surveys for broader sentiment and data collection.
  • Diary studies or observational research to understand ongoing user behaviors.

• Strategic Partnership & Integration: Collaborate intimately with Product Managers, UX Designers, and Engineering teams to:

  • Identify critical research questions and opportunities.
  • Prioritize research initiatives based on business impact and product roadmap.
  • Seamlessly integrate research findings into the product development lifecycle and design iterations.
  • Advocate for user-centered design principles across cross-functional teams.

• Metrics & Strategy Definition: Define clear research objectives and establish measurable UX success metrics that align with business goals for the programmatic DOOH marketplace. Balance strategic discovery research with tactical validation studies.

• Insight Synthesis & Recommendation: Synthesize complex qualitative and quantitative data, integrating product analytics and behavioral data, to deliver clear, concise, and actionable recommendations.

Articulate how these recommendations will influence product strategy, improve user experience, and drive adoption.

• Process & Operations Development: Develop and implement foundational processes for:

  • Scalable participant recruitment strategies for B2B users.
  • Centralized research repositories for knowledge management and insight sharing.
  • Efficient methods for disseminating research findings to relevant stakeholders.

• Vendor & Partner Coordination: Manage relationships and coordinate with external research partners and vendors as needed to supplement internal research capabilities and ensure timely project completion.

📝 Enhancement Note: The emphasis on "complex enterprise workflows," "data-rich interfaces," and "a blend of automation and human decision-making" suggests that this role will require expertise in researching sophisticated B2B software, not just consumer-facing applications. The need to "balance strategic discovery with tactical validation" highlights the dual role of exploring new opportunities and refining existing features.

🎓 Skills & Qualifications

Education:

• Bachelor's Degree in Research, Psychology, Human-Computer Interaction (HCI), Human Factors, or a related field, plus 3 years of related work experience.

• OR an advanced degree in a relevant field with 1 year of related work experience.

• OR an equivalent combination of education and experience deemed suitable by T-Mobile. Experience:

• 4-7 years of primary research experience in a professional setting.

• 7-10 years of primary research experience is preferred, aligning with a senior-level contribution.

• Experience researching B2B SaaS products and complex enterprise workflows is highly desirable.

• Experience within the advertising technology (AdTech) or digital media space, particularly with programmatic advertising or Digital Out-of-Home (DOOH), would be a significant advantage. Required Skills:

• User Research Expertise: Profound understanding and practical application of both qualitative and quantitative research methodologies (e.g., interviews, surveys, usability testing, heuristic evaluations, contextual inquiry).

• Collaboration: Proven ability to work effectively with cross-functional teams, including Product Management, UX Design, Engineering, and Marketing.

• Design Thinking: Familiarity with design thinking principles and how research informs each stage of the design process.

• Prototyping Understanding: Ability to work with and provide feedback on prototypes at various fidelities.

• Research Management: Experience in planning, scoping, executing, and synthesizing research projects independently.

• Stakeholder Management: Skill in communicating research plans, findings, and recommendations to diverse stakeholders, including senior leadership.

• Usability Testing: Expertise in designing and conducting effective usability tests to identify and address user friction points.

• User Experience (UX) Principles: Strong foundational knowledge of UX best practices and user-centered design.

• User Research Tools: Proficiency with common UX research tools for data collection, analysis, and synthesis (e.g., Lookback, UserTesting.com, Qualtrics, Dovetail, Miro, etc.).

Preferred Skills:

• Experience with product analytics tools (e.g., Google Analytics, Amplitude, Mixpanel) to triangulate qualitative and quantitative data.

• Experience establishing research operations, including participant recruitment panels and insight repositories.

• Familiarity with programmatic advertising concepts and the DOOH ecosystem.

• Experience with survey design and analysis for complex user segments.

• Knowledge of experimental design and A/B testing principles.

📝 Enhancement Note: The required skills list is comprehensive and standard for a Senior UX Researcher. The preference for 7-10 years of experience and the specific mention of B2B SaaS and AdTech/DOOH indicate a need for a candidate who can hit the ground running with specialized domain knowledge and a proven track record in complex enterprise environments.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies Demonstrating Impact: Showcase 2-3 detailed case studies that illustrate your end-to-end research process from problem definition to actionable recommendations and their impact on product outcomes.

• Methodological Diversity: Highlight experience with a variety of research methods, demonstrating your ability to select the most appropriate approach for different research questions and stages of product development.

• B2B/Enterprise Focus: Prioritize projects conducted within B2B SaaS or complex enterprise software environments, showcasing your understanding of enterprise user needs and workflows.

• Qualitative & Quantitative Synthesis: Provide examples of how you have synthesized both qualitative and quantitative data (including product analytics where applicable) to form robust insights and recommendations.

• Cross-Functional Collaboration: Demonstrate how you have partnered effectively with Product Managers, Designers, and Engineers to integrate research findings and drive product decisions.

• Process Improvement Initiatives: Include examples of research that led to significant improvements in user experience, efficiency, or business metrics.

Process Documentation:

• Research Plans: Be prepared to discuss how you develop comprehensive research plans that clearly define objectives, scope, methodology, participant criteria, and timelines.

• Synthesis Frameworks: Showcase your approach to synthesizing large amounts of qualitative and quantitative data into clear, actionable insights and compelling narratives.

• Insight Sharing Mechanisms: Detail how you effectively communicate research findings to diverse audiences, ensuring understanding and driving adoption of recommendations through various channels (e.g., presentations, reports, workshops, internal documentation).

• Repository Management: If you have experience establishing or contributing to research repositories, be ready to explain the benefits and your approach to organizing and leveraging research data.

📝 Enhancement Note: For a senior role, especially the first dedicated researcher, T-Mobile will likely expect a portfolio that not only demonstrates strong research skills but also the ability to build and scale research processes. Candidates should be prepared to discuss how they would establish a research function, including participant recruitment strategies and knowledge management systems, within the B2B SaaS context.

💵 Compensation & Benefits

Salary Range: $114,540 - $206,655 USD per year

Breakdown:

• National Base Pay Range: $99,600 - $179,700 USD per year.

• Total Target Cash Earnings Opportunity: $114,540 - $206,655 USD per year. This includes base salary and target annual incentive (bonus/sales incentive).

Note on Salary: The actual starting pay will vary based on factors such as work location, qualifications, and experience. T-Mobile provides a pay lookup tool for specific location-based ranges. The Total Target Cash Earnings Opportunity represents expected total cash compensation at target performance.

Benefits:

• Health & Wellness:

  • Medical, Dental, and Vision Insurance
  • Flexible Spending Account (FSA)
  • Short- and Long-Term Disability Insurance
  • Voluntary AD&D, Accident, Life, and Long-Term Care Insurance
  • Pet Insurance

• Financial Security & Growth:

  • 401(k) plan
  • Employee Stock Grants
  • Employee Stock Purchase Plan (ESPP)
  • Access to free, year-round money coaches

• Work-Life Balance & Family Support:

  • Paid Time Off (PTO)
  • Up to 12 Paid Holidays (approx. 4 weeks for full-time, 2.5 weeks for part-time)
  • Paid Parental and Family Leave
  • Family Building Benefits
  • Back-up Care (child and adult)
  • Enhanced Family Support
  • Childcare Subsidy

• Professional Development:

  • Tuition Assistance
  • College Coaching

• Perks & Discounts:

  • Mobile Service & Home Internet Discounts

  • Commuter and Transit Programs Working Hours:

• Standard full-time hours are assumed to be 40 hours per week, typical for an on-site role.

📝 Enhancement Note: The salary range provided is quite broad, reflecting the "Senior" title and the potential for significant experience variation. Candidates should research the specific location pay lookup tool provided. The benefits package is extensive, demonstrating T-Mobile's commitment to employee well-being and financial health, which is a strong selling point for attracting and retaining talent in specialized roles.

🎯 Team & Company Context

🏢 Company Culture

Industry: Telecommunications & Technology (specifically, Advertising Technology/Programmatic Advertising)

Company Size: Large Enterprise (T-Mobile is a major multinational corporation with tens of thousands of employees globally).

Founded: 1994 (T-Mobile US)

Team Structure:

• You will be the first dedicated UX Researcher on the T-Ads Programmatic Advertising team, reporting into a Product or UX leadership role within that group.

• This team operates within the broader T-Mobile organization, likely collaborating closely with Product Management, UX Design, Engineering, Data Science, and potentially Sales and Marketing teams focused on advertising solutions.

• The structure suggests an environment where you can build and define processes, with significant autonomy and influence. Methodology:

• T-Mobile emphasizes an "Un-carrier" culture, which often translates to agility, customer focus, and a willingness to challenge the status quo.

• For the T-Ads team, the methodology will likely blend agile product development with a strong data-driven approach.

• Research will be instrumental in informing this methodology, ensuring that product decisions are grounded in user needs and market insights.

• Expect a mix of structured product development processes and a culture that values innovation and rapid iteration.

Company Website: https://www.t-mobile.com/

📝 Enhancement Note: T-Mobile's "Un-carrier" identity is a key cultural differentiator. For operations and product roles, this often means a fast-paced, innovative environment that encourages taking ownership and driving change. As the first dedicated researcher, you'll have a unique opportunity to embed UX research principles into the fabric of this specific B2B SaaS product team.

📈 Career & Growth Analysis

Operations Career Level: Senior UX Researcher. This level typically implies ownership of significant research projects, mentorship of junior team members (as the function grows), and a direct impact on product strategy. You are expected to be a subject matter expert in user research methodologies and their application to complex B2B products.

Reporting Structure: As the first dedicated hire, you will likely report to a Director or Senior Manager of Product Management or UX Design within the T-Ads Programmatic Advertising division. This position offers high visibility and direct influence on product roadmaps.

Operations Impact: Your research will directly influence the development of T-Mobile's programmatic advertising platform, a key area of growth for the company. By ensuring the platform is intuitive, efficient, and meets the complex needs of B2B buyers and sellers, you will directly contribute to:

• Increased platform adoption and customer satisfaction.

• Improved operational efficiency for advertisers and publishers using the platform.

• Enhanced revenue generation for T-Mobile's advertising business.

• Strategic product decisions that align with market demand and competitive landscape. Growth Opportunities:

• Establish Research Function: Lead the build-out of the UX research practice within the T-Ads team, defining processes, tools, and best practices.

• Mentorship & Leadership: As the team scales, opportunities to mentor junior researchers and potentially lead a research team will emerge.

• Domain Expertise: Develop deep expertise in the rapidly evolving AdTech and DOOH advertising space.

• Cross-Functional Influence: Gain experience influencing product strategy at a senior level within a large, dynamic organization.

• Career Advancement: Potential pathways to Lead UX Researcher, Research Manager, or transition into Product Management or UX Strategy roles.

📝 Enhancement Note: This role offers a significant opportunity for impact and growth, particularly due to its foundational nature within the T-Ads team. The "jungle gym of possibilities" T-Mobile mentions points to a culture that supports internal mobility and skill development, making this a potentially launching point for broader career progression.

🌐 Work Environment

Office Type: On-site. The job description explicitly states "On-site" as the work arrangement.

Office Location(s): Philadelphia, Pennsylvania, United States. The posting also lists New York, New York as a potential alternative or collaborative location.

Workspace Context:

• Collaborative Environment: T-Mobile fosters a collaborative culture. As the first researcher, you'll be instrumental in embedding research into the day-to-day workflows of Product, Design, and Engineering. Expect active participation in team meetings, design critiques, and product strategy sessions.

• Tools & Technology: Access to standard enterprise tools and potentially specialized UX research software. As the first researcher, you may have input into selecting and implementing specific tools for the team.

• Team Interaction: Regular interaction with product managers, designers, engineers, and potentially other stakeholders across T-Mobile's advertising and technology divisions. The on-site nature facilitates spontaneous collaboration and team cohesion.

Work Schedule:

• Standard full-time hours (assumed 40 hours/week) are expected for an on-site role. Flexibility may be available depending on team needs and project deadlines, but the primary expectation is presence in the Philadelphia office.

📝 Enhancement Note: The on-site requirement in Philadelphia (with potential New York collaboration) suggests a traditional office-based role. This can be advantageous for building strong relationships and fostering a collaborative research culture, especially when initiating a new function within a team.

📄 Application & Portfolio Review Process

Interview Process:

1. Initial Screening: A recruiter or hiring manager will review your application and resume, focusing on relevant experience and alignment with the core requirements.

2. Hiring Manager/Team Interview: You'll likely speak with the hiring manager (likely a Product or UX leader) to discuss your background, research philosophy, and fit for the role. This may include behavioral questions and high-level discussions about your experience.

3. Portfolio Review & Presentation: This is a critical stage. You will be asked to present 1-2 detailed case studies from your portfolio. This presentation should cover:

• The problem/opportunity you addressed.
• Your research approach and methodologies.
• Your role and contributions.
• Key findings and insights.
• Actionable recommendations and their impact.
• Lessons learned.

1. Skills-Based/Whiteboard Challenge: You may be given a hypothetical research problem or a design challenge related to the T-Ads platform. You'll be expected to outline your research approach, key questions, and potential methods. This tests your problem-solving skills and ability to think on your feet.

2. Cross-Functional Interviews: Interviews with Product Managers, UX Designers, and potentially Engineers to assess your collaboration style, communication skills, and ability to integrate research into their workflows.

3. Final Interview: Potentially with a senior leader within the advertising or product organization to confirm overall fit and strategic alignment.

Portfolio Review Tips:

• Focus on Impact: Clearly articulate the business impact of your research. Quantify outcomes whenever possible (e.g., "led to a 15% reduction in task completion time," "informed a feature that increased user engagement by X%").

• Showcase B2B Nuances: If possible, highlight projects that demonstrate your understanding of enterprise user needs, complex workflows, and B2B decision-making processes.

• Detail Your Process: Walk through your methodology step-by-step, explaining why you chose certain methods and how they addressed the research questions.

• Highlight Collaboration: Emphasize how you partnered with other teams, managed stakeholders, and influenced product decisions.

• Be Prepared for "First Researcher" Questions: Since you're the first dedicated researcher, be ready to discuss how you would establish a research practice, including recruitment strategies, knowledge management, and advocating for research value.

Challenge Preparation:

• Understand the Domain: Research T-Mobile's advertising business (T-Ads), programmatic advertising, and Digital Out-of-Home (DOOH) advertising. Understand the key players, technologies, and challenges in this space.

• Think Strategically: For hypothetical scenarios, focus on defining clear research objectives, identifying key user segments, and proposing a phased research approach that balances speed and rigor.

• Communicate Clearly: Practice articulating your thought process and recommendations concisely and persuasively.

📝 Enhancement Note: Given this is the first dedicated researcher role, the interview process will likely place a heavy emphasis on your ability to establish and scale a research function, not just execute research tasks. Be prepared to discuss your vision for UX research at T-Mobile.

🛠 Tools & Technology Stack

Primary Tools (Likely to be used or considered):

• User Research Platforms: UserTesting.com, Lookback, Maze, UserZoom, Validately.

• Qualitative Data Analysis & Synthesis: Dovetail, Miro, NVivo, ATLAS.ti, Condens.

• Survey Tools: Qualtrics, SurveyMonkey, Google Forms.

• Collaboration & Documentation: Jira, Confluence, Google Workspace (Docs, Sheets, Slides), Microsoft Office Suite (Word, Excel, PowerPoint), Figma (for design collaboration).

• Product Analytics: Google Analytics, Amplitude, Mixpanel, Adobe Analytics (depending on T-Mobile's existing stack).

Analytics & Reporting:

• Tools for analyzing user behavior data and translating it into actionable insights.

• Experience integrating qualitative findings with quantitative product analytics is a key requirement. CRM & Automation:

• While not directly a CRM role, understanding how user data is managed and how insights feed into product development processes is crucial. Familiarity with how B2B SaaS platforms leverage CRM data for user segmentation and targeting would be beneficial.

📝 Enhancement Note: As the first dedicated researcher, you will have an opportunity to influence the selection and implementation of research tools. Be prepared to discuss your preferred tools and the criteria you use for selecting them, especially in a B2B SaaS context.

👥 Team Culture & Values

Operations Values (Inferred from T-Mobile's culture):

• Customer Obsession: A deep commitment to understanding and serving the needs of T-Mobile's customers, including its B2B advertising clients.

• Innovation & Agility: Embracing a "Un-carrier" mindset, encouraging new ideas, challenging norms, and adapting quickly to market changes.

• Collaboration & Teamwork: Fostering a "One Team, Together" spirit, working effectively across departments to achieve shared goals.

• Data-Driven Decision Making: Relying on data and insights (including user research) to guide strategic choices and product development.

• Ownership & Accountability: Taking responsibility for outcomes and driving initiatives to completion.

Collaboration Style:

• Proactive & Integrated: The expectation is that the Senior UX Researcher will be an integrated member of the product team, not an isolated function. This means actively participating in product strategy discussions, design reviews, and sprint planning.

• Insight-Driven Advocacy: Effectively communicating research findings and championing user needs to influence product direction and design.

• Feedback-Rich Environment: Contributing to and benefiting from a culture of constructive feedback, both in terms of research methods and product outcomes.

• Knowledge Sharing: Actively sharing insights and best practices to elevate the research maturity of the team and the broader organization.

📝 Enhancement Note: T-Mobile's "Un-carrier" and "One Team, Together" values are central. For a researcher, this means being a proactive collaborator who can translate user needs into business value and integrate research seamlessly into agile workflows.

⚡ Challenges & Growth Opportunities

Challenges:

• Establishing a New Function: As the first dedicated researcher, you will face the challenge of building the UX research practice from the ground up, including defining processes, tools, and evangelizing the value of research across the team.

• B2B Complexity: Researching complex enterprise B2B SaaS workflows with multiple user types and data-heavy interfaces requires specialized skills and a strategic approach to uncover meaningful insights.

• AdTech Domain Nuances: Navigating the intricacies of programmatic advertising and the DOOH marketplace, which is a rapidly evolving and specialized industry.

• Balancing Strategic vs. Tactical Research: Juggling the need for foundational, strategic research with the demands for tactical, in-the-moment validation required by agile product development.

• Data Integration: Effectively synthesizing diverse data sources (qualitative research, quantitative analytics, market data) into cohesive, actionable recommendations.

Learning & Development Opportunities:

• Domain Specialization: Deepen expertise in Advertising Technology, Programmatic Advertising, and the DOOH ecosystem.

• Research Operations Leadership: Gain experience in building and scaling a research function, including participant recruitment strategies, repository management, and research tooling.

• Cross-Functional Influence: Hone skills in stakeholder management and influencing product strategy at a senior level within a large enterprise.

• Mentorship & Team Building: As the team grows, develop leadership and mentorship capabilities.

• Exposure to Advanced Analytics: Opportunity to work closely with product analytics and data science teams to triangulate insights.

📝 Enhancement Note: The challenges presented are significant but also represent substantial growth opportunities. Successfully navigating these will position the candidate for significant career advancement within T-Mobile or the broader AdTech industry.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to establish a new research practice or process. What were the key challenges, and how did you overcome them?" (Focus on your ability to build and scale).

• "How would you approach understanding the needs of buyers and sellers in a programmatic DOOH marketplace for the first time?" (Demonstrate your research planning and strategic thinking).

• "Walk me through a complex B2B SaaS product you've researched. What made it complex, and what were your key findings and recommendations?" (Showcase B2B expertise and impact).

• "How do you balance generative research (discovering needs) with evaluative research (validating solutions) in an agile environment?" (Highlight your methodological flexibility). Company & Culture Questions:

• "What do you know about T-Mobile's 'Un-carrier' culture, and how do you see your role as a UX Researcher fitting into that?" (Show T-Mobile research).

• "How do you typically collaborate with Product Managers and Engineers? Describe a situation where you had to influence their perspective with research insights." (Assess collaboration and advocacy skills).

• "How would you measure the success of your research efforts within the T-Ads team?" (Focus on impact and metrics). Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly articulate the problem, your approach, your role, the insights, the recommendations, and the impact. Use a consistent structure.

• Visuals are Key: Use screenshots, diagrams, and concise data visualizations to illustrate your points. Avoid text-heavy slides.

• Focus on "So What?": For every finding, explain its significance and the actionable recommendation that followed.

• Be Ready for Deep Dives: Anticipate questions about your methodology, decision-making process, and challenges encountered.

• Practice Your Delivery: Rehearse your presentation to ensure it flows well, stays within the allotted time, and is engaging.

📝 Enhancement Note: Given this is the first dedicated researcher, interviewers will be keen to understand your strategic vision for UX research, your ability to build processes, and your proactive approach to collaboration and evangelism.

📌 Application Steps

To apply for this Senior UX Researcher position at T-Mobile:

• Submit Your Application: Complete the online application through T-Mobile's Workday portal, ensuring your resume highlights relevant B2B SaaS, AdTech, and UX research experience.

• Tailor Your Resume: Emphasize achievements related to establishing research processes, influencing product strategy, and conducting research in complex enterprise environments. Use keywords from the job description.

• Curate Your Portfolio: Select 2-3 of your strongest case studies that best demonstrate your end-to-end research process, B2B experience, and impact. Ensure they are well-documented and visually engaging.

• Prepare Your Presentation: Practice presenting your portfolio case studies, focusing on clear articulation of impact, methodology, and collaboration. Be ready to discuss your vision for building a research function.

• Research T-Mobile & T-Ads: Familiarize yourself with T-Mobile's "Un-carrier" culture, their advertising business (T-Ads), and the programmatic advertising/DOOH landscape. Understand their stated values and business goals.

• Anticipate "First Researcher" Questions: Prepare to discuss how you would establish and scale a UX research practice within the T-Ads team.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details, particularly regarding interview processes and specific tool requirements, should be verified directly with the hiring organization during the application and interview stages.