SR Staff Mixed Methods User Researcher
About The Position
The Firefox User Research team champions human-centered exploration of complex problems, using evidence, data, and insight to drive decision-making. We use mixed methods research to understand business needs and uncover user insights that inform product and design strategy. In this role, you’ll serve as a research leader across the organisation, contributing to the strategic direction for how research is practised and coaching and mentoring the next generation of researchers. You will lead both evaluative and foundational studies in close partnership with product managers, designers, engineers, data scientists, and fellow researchers. You’ll apply qualitative and quantitative methods to understand users’ experiences, contexts, motivations, and behaviors, translating those findings into clear, actionable insights that shape roadmaps and strategies.
Requirements
- 8+ years of applied research work experience (or equivalent), including strategic research leadership in complex organizations, with at least 6 years in the tech/SaaS industry.
- Extensive experience leading both evaluative and generative research across multiple phases of the product development lifecycle.
- Demonstrated success operating in fast-paced, agile environments, adapting to shifting priorities while maintaining research impact.
- Deep expertise in qualitative methods (e.g., interviews, concept testing, usability studies) and practical experience with quantitative approaches (e.g., survey design, data analysis).
- Exceptional judgment in setting research priorities at the program level, making trade-offs across multiple concurrent workstreams, and advising other researchers on method, scope, and strategic framing.
- Deep, current knowledge of AI tools used in research workflows, with the expertise to evaluate their outputs critically, define organisational standards for their use, and guide the team in applying them responsibly and effectively.
- Recognised as an internal expert in research methodology, with the ability to introduce novel approaches, advance the field, and advise others where standard methods fall short.
- Collaborative and influential communicator, skilled at building partnerships with cross-functional teams and driving alignment through evidence-based insights.
Responsibilities
- Lead the most complex, ambiguous, and highest-stakes research studies, setting the standard for research excellence and directly shaping product vision at the organisational 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.
- Support iterative, user-centered product development, ensuring research continuously informs design and strategy.
Benefits
- Generous performance-based bonus plans to all eligible employees
- Rich medical, dental, and vision coverage
- Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
- Quarterly all-company wellness days
- Country specific holidays plus a day off for your birthday
- One-time home office stipend
- Annual professional development budget
- Quarterly well-being stipend
- Considerable paid parental leave
- Employee referral bonus program
- Life/AD&D, disability, EAP (varies by country)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
