Sr Staff Mixed Methods User Researcher

About the Role

The successful candidate will have a deep understanding of mixed methods research, with expertise in both qualitative and quantitative methods. You will be responsible for integrating diverse data sources to build cohesive, evidence-based perspectives on user experience, and for leveraging AI tools to drive research efficiency. As a senior researcher, you will also be expected to define standards for responsible AI use in research, establishing frameworks that position Mozilla as a leader in ethical AI-assisted research practice.

Mozilla's commitment to open-source software and non-profit mission sets it apart from other tech companies. As a researcher at Mozilla, you will have the opportunity to work on products that have a real impact on people's lives, and to collaborate with a global community of developers, designers, and researchers who share a passion for creating user-centered products.

What You Will Do

• Lead complex, ambiguous, and high-stakes research studies, setting the standard for research excellence and directly shaping product vision at the organizational level
• Drive user-centered decision-making at the executive level, influencing directors and VPs and ensuring user needs are embedded in the long-term product and business strategy
• Partner cross-functionally at a strategic level with product, design, engineering, data science, and marketing to identify high-impact research opportunities and align insights to business priorities
• Integrate diverse data sources — qualitative and quantitative research, behavioral data, and market intelligence — to build cohesive, evidence-based perspectives on user experience
• Leverage AI tools thoughtfully across the research workflow while applying critical review to ensure outputs are accurate
• Define standards for responsible AI use in research, establishing frameworks that the broader team adopts and that position Mozilla as a leader in ethical AI-assisted research practice
• Elevate the research practice by setting the methodological bar, identifying capability gaps across the team, and mentoring Staff researchers and below
• Collaborate with cross-functional teams to develop and implement research-based solutions that drive business results
• Develop and maintain a deep understanding of the competitive landscape and market trends, using this knowledge to inform research priorities and recommendations

What We Are Looking For

• 8+ years of experience in user research, with a focus on mixed methods and data analysis
• Expertise in Excel and other data analysis tools
• Strong understanding of user-centered design principles and human-computer interaction
• Experience working in a fast-paced, agile environment, with a focus on driving business results
• Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams
• Strong analytical and problem-solving skills, with the ability to integrate diverse data sources and drive insights
• Experience with AI tools and technologies, with a focus on responsible AI use in research
• Strong mentoring and coaching skills, with the ability to develop and grow junior researchers

Nice to Have

• Experience working in the tech industry, with a focus on software development and product design
• Knowledge of programming languages such as Python or R
• Experience with data visualization tools such as Tableau or Power BI
• Certification in user research or a related field

Benefits and Perks

• Competitive salary and benefits package
• Opportunity to work on products that have a real impact on people's lives
• Collaborative and dynamic work environment, with a focus on innovation and experimentation
• Professional development opportunities, including training and education programs
• Flexible work arrangements, including remote work options and flexible hours
• Access to the latest tools and technologies, including AI and machine learning platforms

• Develop a strong portfolio that showcases your mixed methods research expertise and ability to drive business results
• Be prepared to talk about your experience with AI tools and technologies, and how you have applied them in a research context
• Highlight your ability to work cross-functionally and collaborate with diverse teams, including product, design, and engineering
• Emphasize your passion for user-centered design and your commitment to creating products that meet real user needs
• Be prepared to discuss your approach to mentorship and coaching, and how you have developed and grown junior researchers in the past
• Research Mozilla's mission and values, and be prepared to talk about how your skills and experience align with the company's goals and priorities