Senior Staff Data Scientist

• Shape Mozilla's most important business decisions with rigorous, data-driven insights, turning ambiguity into clear recommendations that influence executive thinking and long-term strategy.
• Build trusted relationships with senior leaders and cross-functional partners, surfacing tradeoffs and aligning stakeholders to make better, faster decisions.
• Design and deliver sophisticated analytical solutions involving large-scale, high-dimensional data, setting a high technical bar through sound methodology and statistical rigor.
• Serve as a technical leader within the Data Science community, mentoring data scientists and elevating the quality of analytical work across the organization.

This role directly influences Mozilla's strategic direction, ensuring data-driven decisions that uphold the organization's mission to build a better, more open internet for people, not companies.

• Exceptional verbal and written communication skills, with the ability to translate complex technical findings into clear, decision-ready recommendations for both technical and executive audiences.
• Proven track record of driving alignment across cross-functional teams, earning trust through expertise, and leading through influence without formal authority.
• Deep expertise in Python or R, SQL, statistics, and modern data science tooling, with a strong foundation in analytical methods and curiosity for emerging technologies.

• Generous performance-based bonus plans
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting
• 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
• Salary range: $139,000 - $218,000 USD depending on location tier