Ads Data Science Lead — Strategic Analytics

Mozilla; Northern (KY); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Performance-based bonus

Medical, dental, and vision coverage

Retirement contributions

Home office stipend

Professional development budget

Parental leave

Employee referral bonus

Job summary

Mozilla is hiring a Staff Data Scientist to partner with Mozilla’s Ads organization, shaping measurement and analytical approaches for a fast-moving business. You will own end-to-end analytics, framing questions, designing experiments, and delivering actionable insights to product, engineering, finance, and leadership teams.

You will build robust measurement frameworks, analyze revenue drivers, and translate findings into clear recommendations for a broad audience.

Qualifications

• 8+ years of experience in data science, analytics, or applied quantitative roles with ownership of complex, business-critical analytical work.
• Experience with digital advertising or a related monetization business and understanding of product, user, advertiser, and revenue interactions.
• Strong technical foundation in Python and SQL, with experience applying statistical, experimental, forecasting, and analytical methods to real-world problems.
• Demonstrated ability to frame ambiguous problems, identify what matters, and drive work from an open-ended question through a clear recommendation.
• Excellent analytical judgment—balancing rigor with pragmatism, and communicating uncertainty appropriately.
• Proven ability to build trusted relationships and communicate findings to audiences from technical partners to senior executives.

Responsibilities

• Serve as a lead Data Science partner for Mozilla’s Ads business, working with Product, Engineering, Sales, Finance, and senior leadership to identify high-impact opportunities.
• Own complex analytical problems end-to-end, from framing the business question to validating results and driving follow-through.
• Develop measurement frameworks for new and evolving advertising products, including metrics, experimentation, instrumentation, and reporting.
• Analyze advertising revenue and performance to identify key drivers, evaluate opportunities and trade-offs, and inform product and business decisions.
• Translate complex findings and uncertainty into clear recommendations for technical partners and executives.

Skills

Data science

Python

SQL

Experimentation

Communication

Relationship building

Job description

Mozilla is hiring a Staff Data Scientist to partner with Mozilla’s Ads organization, shaping measurement and analytical approaches for a fast-moving business. You will own end-to-end analytics, framing questions, designing experiments, and delivering actionable insights to product, engineering, finance, and leadership teams.

You will build robust measurement frameworks, analyze revenue drivers, and translate findings into clear recommendations for a broad audience.