Jobs at Mozilla

The Senior Strategic Account Executive is responsible for building a sales pipeline, managing the sales cycle, and engaging with enterprise customers across France and Belgium to promote Firefox Enterprise products.

Lead and manage the Thunderbolt engineering team to transition an R&D AI product into a production-ready, enterprise-grade open-source product. Drive execution, hiring, release discipline, code quality, CI/CD, cross-platform delivery, and collaboration with product and design while remaining hands-on with code, architecture, and technical tradeoffs.

Lead and grow a senior engineering team to transition Thunderbolt from R&D to production-ready AI product. Drive execution, release discipline, code quality, cross-platform delivery, and enterprise-readiness while staying hands-on in code reviews and technical planning. Partner with product, design, and security to balance speed, privacy, and maintainability.

Lead Mozilla's long-range strategic finance, oversee direct and venture investments, build 3-5 year financial models, perform TAM/SAM/SOM market sizing, advise executives, manage a small strategic finance team, and evaluate build-vs-partner decisions across subsidiaries.

Lead and unify Mozilla's global editorial vision across platforms, curating impactful stories and collaborating across teams to shape narratives about technology's future.

As a Senior Marketing Data Scientist, you will conduct quantitative analyses, manage marketing tests, and provide actionable insights to enhance marketing performance and investment effectiveness.

The Staff Data Scientist will own the analytical strategy for Firefox, driving data-informed decisions through measurement frameworks, experiments, and user growth analysis, while mentoring other data scientists.

The Staff Data Scientist will lead analytical strategies for Firefox, focusing on product growth, measurement frameworks, and mentoring data scientists while guiding data-driven decisions.

Design, fine-tune, evaluate, and deploy LLM-driven, user-facing browser features using RAG, embeddings, prompt engineering, and modern ML tooling. Lead end-to-end model lifecycle, run production experiments, collaborate with product and engineering, and document and review work with an emphasis on privacy, latency, and usability.

Lead and manage the Web Applications engineering team for hosted subscription products. Drive day-to-day execution, people management, budgeting, delivery planning, and engineering practices (CI/CD, testing, observability, release readiness, reliability, security/privacy). Coordinate launches, cross-functional readiness, and improve team processes while staying hands-on with technical tradeoffs and architecture.

Lead and manage the Web Applications engineering team for hosted subscription products. Drive day-to-day execution, people management, budgeting, delivery practices, release and operational readiness, reliability, privacy/security, and cross-functional coordination while remaining hands-on with technical tradeoffs and engineering processes.

As a Senior Data Engineer, you will manage data pipelines, ensure data quality, partner with teams for data-driven decisions, and improve the data platform while maintaining data integrity.

The Senior Data Engineer will create and manage data pipelines, ensuring data quality, collaborating with teams for data-driven decisions, and evolving the data platform.

Provide frontline privacy counsel to operational teams and lead development and maintenance of scalable privacy compliance infrastructure, data mapping, vendor DPIAs, and incident response. Drive cross-functional privacy governance, advise on global privacy and AI regulatory developments, implement controls and training, and support M&A privacy work.

Lead development and maintenance of Mozilla's privacy compliance infrastructure and governance processes. Provide frontline privacy counsel across teams on data governance, vendor risk (DPIAs/LIAs/TIAs), incident response, and privacy-by-design. Drive cross-functional initiatives, create scalable controls, training, intake and risk frameworks, and support privacy aspects of M&A and integrations.

Lead design, reliability, and evolution of hybrid-cloud and workplace infrastructure. Own domain architecture, drive migrations and reliability improvements, define SLIs/SLOs, automate with IaC, mentor engineers, collaborate across IT/SRE/Security, and maintain operational documentation and runbooks.

Lead design, reliability, and evolution of hybrid-cloud and workplace infrastructure. Architect scalable systems, drive complex migrations and performance improvements, improve reliability through monitoring and automation, collaborate across teams, mentor engineers, and maintain documentation and runbooks.

Customer-facing technical lead supporting evaluation, piloting, and deployment of Firefox Enterprise for French enterprises. Drive technical discovery, design solutions, validate interoperability (SSO, PKI, SIEM, proxies, endpoint tooling), run workshops, and produce reusable deployment assets. Partner with sales and partners to reduce risk and enable secure enterprise rollouts.

As a Senior Solutions Engineer, you'll support enterprise clients in DACH by leading technical solutions, managing relationships, and ensuring secure deployments of Firefox Enterprise.

The role involves building the sales pipeline, managing the full sales cycle, and establishing relationships with enterprise clients across DACH for Firefox Enterprise.