Jobs at Mozilla

Join Mozilla Release Engineering to build and maintain scalable CI/CD pipelines that run tens of thousands of build/test/release tasks daily. Improve developer experience, optimize deployment pipelines, collaborate with distributed engineers, participate in code reviews, and respond to critical service outages during normal working hours. Work across Windows, macOS, and Linux and leverage cloud resources.

Lead MZLA’s enterprise partnerships and strategy, especially in Europe and sovereignty-focused markets. Define enterprise opportunities, partner models, pricing, packaging, licensing, reseller and revenue-sharing structures. Support negotiations, translate technical capabilities into enterprise propositions, coordinate product and engineering dependencies, and establish repeatable execution processes. The role requires executive communication, commercial judgment, technical fluency, and periodic international travel in a fully remote environment.

Lead MZLA’s enterprise partnerships and strategy, especially in Europe and sovereignty-focused markets. Develop enterprise opportunities, partner models, pricing, packaging, licensing, reseller and revenue-sharing structures, and support negotiations. Collaborate with executive, product, engineering, and external partner teams to translate technical capabilities into enterprise propositions, assess deployment and security requirements, and establish repeatable execution processes. Represent MZLA in senior stakeholder discussions and travel internationally as needed.

Lead engineering execution and people management for an open-source enterprise AI product transitioning from R&D incubation to production. Manage a senior engineering team, contribute code, review technical work, improve planning and release practices, and ensure quality, reliability, security, privacy, and maintainability. Partner with product and technical leaders on AI-enabled, multi-platform, customer-controlled architectures, while supporting hiring and scaling the team for enterprise adoption.

Manage Firefox Mobile lifecycle marketing operations across ASO, campaigns, product launches, and growth initiatives. Coordinate cross-functional workstreams, localization, quality assurance, and operational readiness. Execute campaign plans, consolidate performance data, identify risks, and support reporting and optimization. Build scalable processes, automation, and AI-assisted workflows using tools such as Claude Code and Cowork to improve execution quality and efficiency.

Own operational execution for Firefox Mobile lifecycle marketing, including app store optimization, campaign implementation, product launches, localization, quality assurance, reporting, and cross-functional coordination. Build scalable processes, automation, documentation, and AI-assisted workflows using tools such as Claude Code and Cowork. Analyze campaign and experiment performance to identify operational learnings and support future growth optimization.

Own and scale Mozillas web bug bounty program, triage and validate incoming vulnerability reports, drive remediation with engineering teams, perform targeted JavaScript and Python code reviews, collaborate with SIRT on incidents, and develop tooling to improve program efficiency and insights.

Maintain and mature Mozilla's ISMS, support ISO 27001 and SOC 2 Type 2 audits, author compliance narratives, track remediation, lead policy program, scale compliance for products, and partner with cross-functional teams to drive control ownership and audit readiness.

Maintain and mature Mozilla's ISMS and support ISO 27001 and SOC 2 Type 2 audit programs. Author system descriptions and policies, manage risk treatment plans, track remediation, support internal audits, and partner with Engineering, Legal, Privacy, and Product to drive control ownership and audit readiness.

Own and scale Mozilla's web bug bounty program, triage and validate incoming reports, drive vulnerability remediation with engineering teams, perform targeted code reviews (JS/Python), collaborate with SIRT on incidents, and develop tooling to improve triage and program insights.

Execute digital marketing and communications across social, email, blog, and other channels. Create and publish content, manage campaign calendars, track performance metrics, support email automation, collect customer feedback, and coordinate with internal teams and vendors to drive brand awareness, user growth, and product adoption.

Execute day-to-day digital marketing across social, blog, email, and other channels. Draft and publish content, manage campaign calendars, track engagement metrics, support email automation, collect customer feedback, coordinate with teams and vendors, and ensure brand-aligned messaging to drive awareness, user growth, and product adoption.

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

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.

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.

Contract senior technical recruiter responsible for full-cycle hiring: partner with hiring managers, source and screen candidates (using tools like HireEz and LinkedIn), assess technical skills, manage the recruitment process through ATS (Greenhouse preferred), drive diverse pipelines, collaborate with compensation/legal/finance teams, and use data analytics to improve recruitment strategies.

Contract senior technical recruiter responsible for full-cycle hiring: partnering with hiring managers, sourcing and screening candidates via tools like HireEz and LinkedIn, assessing technical skills, managing offers, building diverse pipelines, collaborating with compensation/legal/finance, and using analytics to improve strategies.

Lead full-lifecycle Go-To-Market hiring across EMEA, sourcing senior commercial talent, building diverse pipelines, advising GTM leaders on market intelligence, negotiating complex international offers, and maintaining Greenhouse ATS hygiene and hiring metrics to optimize recruitment processes.

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.

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.