Mozilla

Senior Staff Data Scientist

Mozilla$163K — $218K *
US-AnywhereRemote in United States
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Exceptional verbal and written communication skills for conveying complex insights.
  • Track record of influencing cross-functional teams and driving alignment without formal authority.
  • Deep expertise in Python or R, SQL, and statistical methodologies.
  • Strong analytical background and familiarity with modern data science tools.
  • Experience across various industries or problem domains.

Responsibilities

  • Shape significant business decisions through rigorous, data-driven insights.
  • Build trusted relationships with senior executives and cross-functional partners.
  • Design and implement complex analytical solutions for big data challenges.
  • Mentor and guide data scientists to elevate analytical quality across the organization.
  • Translate technical findings into clear recommendations for diverse audiences.

Benefits

  • Generous performance-based bonus plans for eligible employees.
  • Rich medical, dental, and vision benefits.
  • Generous retirement contributions with immediate vesting.
  • Quarterly wellness days for a collective pause from work.
  • Country-specific holidays plus an additional day off for your birthday.
  • One-time stipend for home office setup.
  • Annual budget for professional development opportunities.
  • Quarterly stipends for personal well-being expenses.
  • Considerable paid parental leave.
Full Job Description
About this team and role:

The Data Science organization shapes Mozilla's most important business decisions through data. As a Senior Staff (P5) Data Scientist, you will be an analytical leader, partnering with senior executives to turn ambiguity into clear, data-driven recommendations that influence Mozilla's long-term strategy.

What you'll do:
  • Strategic Influence: Shape Mozilla's most important business decisions with rigorous, data-driven insights. Turn ambiguity into clear recommendations that influence executive thinking and long-term strategy.
  • Trusted Partnerships: Build trusted relationships with senior leaders and cross-functional partners. Surface tradeoffs, align stakeholders with differing perspectives, and help teams make better, faster decisions.
  • Technical Excellence: Design and deliver sophisticated analytical solutions to solve complex, ambiguous problems involving large-scale, high-dimensional data. Set a high technical bar through sound methodology, statistical rigor, and pragmatic execution.
  • Mentorship and Growth: Serve as a technical leader within the Data Science community. Mentor data scientists, advise managers on technical direction, and elevate the quality of analytical work across the organization.

What you'll bring:
  • Exceptional Communication: Outstanding verbal and written communication skills, with the ability to translate complex technical findings into clear, decision-ready recommendations while preserving analytical rigor. Proven success communicating effectively with both technical and executive audiences.
  • Influence Without Authority: A track record of driving alignment across cross-functional teams, earning trust through expertise, and leading through influence rather than formal authority. Experience across multiple industries, domains, or problem spaces is a plus.
  • Technical Mastery: Deep expertise in Python or R, SQL, statistics, and modern data science tooling. A strong foundation in analytical methods, paired with curiosity for emerging technologies and sound judgment about when to apply them.

What you'll get:
  • Generous performance-based bonus plans to all eligible employees
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting
  • Quarterly all-company wellness days where everyone takes a pause together
  • 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

Hiring Ranges:

US Tier 1 Locations

$163,000-$218,000 USD

US Tier 2 Locations

$150,000-$200,000 USD

US Tier 3 Locations

$139,000-$185,000 USD

About Mozilla

Mozilla is a global community of technologists, thinkers, and builders working together to keep the internet open and accessible to all. The company is best known for its flagship product, the Firefox web browser, which is used by millions of people around the world. In addition to its browser, Mozilla also develops a range of other products and services, including a mobile operating system, a password manager, and a virtual private network (VPN) service.
Learn more about Mozilla
Size
1,000 employees
Industry
Founded
1998

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