Remote à United States

Senior Machine Learning Engineering Manager, GenAI

at Mozilla Corporation Team : Firefox Locations : Remote UK, Remote Spain, Remote France, Remote Germany, Remote US, Remote Canada

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Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role :

You will guide a team of highly skilled ML engineers working at the intersection of user experience, privacy, and innovative research, driving Mozilla’s vision for making powerful AI accessible to everyone.

What you’ll do :

• Lead and grow a team of ML engineers developing Generative AI models and integrating them into Firefox experiences.
• Drive end-to-end machine learning product development—from research and prototyping to model training, evaluation, deployment, and iteration in production.
• Collaborate cross-functionally with product, research, design, and platform teams to deliver user-facing features powered by proprietary and open-source AI models.
• Define technical strategy and execution plans for ML initiatives aligned with Mozilla’s mission and Firefox’s product roadmap.
• Champion engineering excellence, inclusion, and a user-first perspective in every phase of feature development.

What you’ll bring :

• 10+ years of experience in machine learning, with 5+ years in technical management roles.
• 5+ years of experience building and deploying ML or Generative AI systems in production environments, including experience with LLMs, transformers, or multimodal models.
• Proven track record of managing high-performing engineering teams in shipping AI features to millions of users.
• Deep expertise in modern ML development frameworks (e.g., PyTorch, TensorFlow), scalable training / inference infrastructure, and MLOps practices.
• Experience with on-device machine learning model development and deployment is a strong plus.
• Familiarity with privacy-preserving ML techniques such as differential privacy or federated learning is a plus.
• Master’s degree or Ph.D in Computer Science, Machine Learning, or a related field (or equivalent industry experience).
• Strong communication skills with the ability to translate complex technical concepts into collaborative plans with cross-functional collaborators.
• Commitment to our values : Welcoming differences – Foster an inclusive and equitable team environment. Being relationship-minded – Build trusting partnerships across Mozilla and the broader community. Practicing responsible participation – Promote ethical and privacy-aware use of AI. Having grit – Lead through ambiguity and pursue impactful goals with persistence and creativity.

What you’ll get :

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• 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
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life / AD&D, disability, EAP, etc. varies by country)