Headquarters: Mountain View, California, United States
Industry: Browser Extensions, Web Browsers
5001-10000 employees
You will design, develop, and evolve the Thunderbird iOS application while establishing a strong technical foundation for the product. This involves collaborating with cross-functional teams and open-source contributors to ensure high standards of performance, reliability, and accessibility.
You will design, develop, and evolve the Thunderbird iOS application while establishing a strong technical foundation for the product. You will also collaborate with cross-functional teams and the open-source community to ensure high standards for performance, reliability, and accessibility.
You will design, develop, and evolve the Thunderbird iOS application while establishing a strong technical foundation for the product. You will collaborate with cross-functional teams and the open-source community to deliver high-quality, scalable, and secure mobile experiences.
You will build and ship full-stack features and customer-specific customizations within the Thunderbolt codebase while working directly with enterprise partners. Additionally, you will diagnose complex technical issues and provide deployment guidance to ensure successful customer implementations.
Build and ship full-stack features, integrations, and customer-specific customizations within the Thunderbolt codebase. Work directly with technical partners and enterprise customers to translate their requirements into technical plans and stable software deployments.
The Senior Payroll Analyst is responsible for managing end-to-end semi-monthly payroll operations for approximately 800 North American employees. This role ensures compliance with federal, state, provincial, and local tax regulations while driving process improvements and cross-functional initiatives.
The Senior Payroll Analyst manages end-to-end payroll processing for approximately 800 North American employees while ensuring compliance with federal, state, and local tax regulations. This role also involves collaborating with internal teams for issue resolution, process standardization, and supporting year-end audit activities.
The Senior Financial Analyst will manage recurring planning, reporting, and analysis for the Core Services portfolio, including forecasting and budget updates. This role involves partnering with functional leaders to reconcile actuals, track headcount and vendor spend, and improve financial processes through automation.
The Senior Financial Analyst will manage recurring planning, reporting, and forecasting for the Core Services portfolio. This includes reconciling actuals, tracking headcount and vendor spend, and providing actionable financial insights to budget owners and leadership.
The Senior Product Manager will lead the development and optimization of Firefox on mobile platforms, focusing on user activation, retention, and feature delivery. They will collaborate with cross-functional teams to analyze user insights and translate them into actionable product improvements.
The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and market trends to drive growth.
The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and app store data to drive product growth.
The Senior Product Manager will lead the development of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and app store metrics to drive growth.
The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user data and market trends to drive product growth.
You will lead the product strategy for Firefox on mobile, focusing on improving user activation, retention, and overall browser performance. You will collaborate with engineering, design, and data teams to ship high-impact features while optimizing the user journey across global markets.
Lead the product strategy and development for Firefox on mobile platforms, focusing on improving user activation, retention, and overall app performance. Collaborate with engineering, design, and data science teams to deliver high-impact features while balancing technical constraints and privacy goals.
The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while balancing technical constraints and user privacy needs.
The Senior Product Manager will lead the development and optimization of Firefox on mobile platforms, focusing on user activation, retention, and feature delivery. They will collaborate with cross-functional teams to translate user insights into actionable product improvements and growth strategies.
The Staff Solutions Engineer will lead technical discovery, solution design, and deployment support for Firefox Enterprise across the DACH region. They will partner with sales teams to manage customer relationships and ensure successful integration of browser security and policy management within complex enterprise environments.
The Senior Security Engineer will identify and mitigate security incidents on a global scale while acting as an incident commander. They are responsible for designing security alerts, maintaining playbooks, and conducting threat hunting activities to protect Mozilla's products and users.
The Senior Security Engineer will monitor and mitigate security incidents on a global scale while acting as an incident commander to drive response lifecycles. They will also design security alerts, maintain playbooks, and conduct threat hunting activities to protect Mozilla's products and users.
The Senior Security Engineer will identify and respond to global security incidents while acting as an incident commander to drive response lifecycles. They will also design security alerts, maintain playbooks, and conduct threat hunting activities to proactively mitigate sophisticated threats.
The Senior Security Engineer will act as an incident commander to identify, analyze, and mitigate security incidents on a global scale. They will also design and maintain security alerts, automated playbooks, and threat hunting strategies to protect Mozilla's products and services.
The Senior Security Engineer will identify and respond to security incidents on a global scale while acting as an incident commander. They will also design and maintain security alerts, playbooks, and automated workflows to ensure a robust 24/7 incident response capability.
You will identify and respond to security incidents on a global scale while acting as an incident commander to drive the response lifecycle. Additionally, you will design security alerts, maintain playbooks, and conduct threat hunting activities to protect Mozilla's products and users.
The Senior Security Engineer will identify and respond to security incidents on a global scale while acting as an incident commander. They are responsible for designing security alerts, maintaining playbooks, and conducting threat hunting activities to protect Mozilla's products and users.
The Senior Security Engineer will identify and mitigate security incidents on a global scale while acting as an incident commander. They will also design security alerts, maintain automated playbooks, and conduct proactive threat hunting to protect Mozilla's products.
You will lead the technical architecture and development of new web-based services while mentoring other engineers to ensure scalable and sustainable software patterns. You will also collaborate with cross-functional teams and the open-source community to solve complex problems and drive product growth.
Lead the technical architecture and development of web-based services to extend Thunderbird's product offerings. Collaborate with cross-functional teams and the open-source community to build scalable, privacy-respecting solutions.
Lead the technical architecture and development of web-based services to extend Thunderbird's product offerings beyond email. Collaborate with cross-functional teams and the open-source community to build scalable, privacy-respecting solutions while mentoring other engineers.
The Staff Application Engineer will architect and build the Salesforce platform to support enterprise product lines, including lead-to-cash processes and AI-assisted workflows. They will own the technical health of the platform, establish governance practices, and partner with cross-functional teams to drive operational improvements.
The Staff Application Engineer will architect and build the Salesforce platform to support enterprise product lines, including lead-to-cash processes and AI-assisted workflows. They will own the technical health of the platform, establish governance practices, and lead integrations with systems like NetSuite and BigQuery.
You will build and manage a sales pipeline across the DACH region, personally owning the full sales cycle from initial contact to contract signature. You will collaborate with internal teams to develop value cases and drive commercial momentum within large enterprises and public-sector accounts.
You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to ensure system reliability, security, and performance while participating in an on-call rotation.
You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to build resilient systems and participate in an on-call rotation to ensure service reliability.
You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to build resilient systems and participate in an on-call rotation to ensure service reliability.
The Strategic Account Manager will serve as the primary point of contact for enterprise customers, guiding them from pilot through deployment and adoption. They are responsible for maintaining account health, driving renewals, and identifying expansion opportunities within the German, Austrian, and Swiss markets.
The Strategic Account Manager will serve as the primary point of contact for enterprise customers in France, driving adoption, engagement, and satisfaction. They will manage renewals, identify expansion opportunities, and coordinate with internal teams to ensure a seamless customer experience.
The Strategic Account Manager will serve as the primary point of contact for enterprise customers in France, driving adoption, engagement, and retention of Firefox Enterprise. They will coordinate with internal teams to deliver a seamless customer experience while identifying expansion opportunities and managing renewals.
The Senior Manager will lead the finance function, overseeing accounting, financial planning, tax, and treasury operations. They will manage the finance team and serve as a strategic advisor to leadership to support organizational growth.
The Senior Strategic Account Executive will build and manage a sales pipeline across the DACH region to drive commercial growth for Firefox Enterprise. They will own the full sales cycle, from initial contact and qualification to contract negotiation and closing with large enterprise and public-sector clients.
Own strategic customer relationships across Germany, Austria, and Switzerland, guiding customers from pilot through deployment, adoption, and broader rollout. Monitor account health, lead reviews and renewal planning, identify expansion and support opportunities, forecast revenue, and coordinate teams to resolve customer issues.
Partner with Sales to guide enterprise customers across Germany, Austria, and Switzerland through technical discovery, solution design, evaluations, pilots, and Firefox Enterprise deployments. Advise on security, architecture, integrations, interoperability, and rollout risks, while creating reusable technical resources and enabling partners.
You will deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines and developer tools. Additionally, you will ensure platform reliability through monitoring, incident response, and the implementation of robust observability systems.
The Senior Staff Product Manager will own the shared foundation and building blocks that enable external tools and internal teams to interact with the Firefox browser. This role involves defining product strategy, ensuring platform security and reliability, and advancing open standards like WebDriver BiDi.
Define and drive the product strategy and roadmap for search features within the Firefox Desktop browser. Lead end-to-end experimentation and collaborate with cross-functional teams to deliver innovative, privacy-respecting search experiences.
The Engineering Manager will lead a geographically distributed team to drive improvements to the Firefox Desktop user interface. They are responsible for delivering high-quality software, managing project timelines, and fostering the professional development of team members.
Implement approved UX designs for Firefox's screen, window, and tab sharing experience and see them through to release. Collaborate with UX and QA teams to validate results and support partner testing against major web conferencing services.
You will build and maintain internal dashboards and reporting tools to support the WebCompat team's triage and prioritization efforts. Additionally, you will improve the broken-site-report screenshot capture pipeline to enhance data-driven decision making.
You will improve the health and correctness of the Firefox DOM Core Session History area by writing and fixing automated tests. You will collaborate with Gecko module owners through code reviews to ensure high-quality code landing.
You will be responsible for the ongoing maintenance and routine engineering work within Firefox's Layout area, including fixing bugs and regressions. Additionally, you will perform code reviews and handle incoming issues to ensure the Layout code remains healthy and performant.
The role involves maintaining the Firefox graphics area by handling bug fixes, regressions, and test upkeep. You will diagnose and resolve graphics issues across multiple platforms while performing code reviews to support the engineering team.
You will build and launch Mozilla's first B2B support operations capability, including the operating model, vendor strategy, and governance. You will also serve as the operational bridge between enterprise customers, product, and engineering teams to ensure high-quality service delivery.
You will build and lead Mozilla's first B2B support operations, designing the operating model, vendor strategy, and governance frameworks. Additionally, you will manage vendor relationships, oversee incident responses, and act as the operational bridge between enterprise customers and internal engineering teams.
You will build and maintain internal developer infrastructure, focusing on CI/CD, observability, and Kubernetes optimization. Additionally, you will guide technical decision-making and promote engineering standards to improve developer productivity.
You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and CI/CD to ensure reliable and scalable platform operations.
You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards and build robust observability systems to ensure platform reliability.
You will deliver major features and architectural improvements across the Add-ons stack while establishing engineering standards for production readiness and reliability. You will also collaborate with cross-functional teams to modernize platform tools and ensure the safety and performance of production services.
You will deliver major architectural improvements and features across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.
You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.
You will deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and incident response to ensure a high-quality experience for developers.
You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards and improve CI/CD pipelines to ensure safe, reliable, and scalable production deployments.
You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD practices.
You will deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.
The Staff Operations Engineer will lead the design, reliability, and evolution of hybrid-cloud and workplace infrastructure while driving complex, high-impact technical initiatives. This role involves cross-team collaboration to unify solutions, improve system reliability, and mentor engineers to raise technical standards.
The Staff Data Scientist will partner with cross-functional teams to identify high-impact opportunities and own complex analytical problems from framing to recommendation. They will develop measurement frameworks for advertising products and translate complex data findings into clear business strategies for senior leadership.
The Staff Operations Engineer leads the design, reliability, and evolution of hybrid-cloud and workplace infrastructure across multiple teams. This role involves driving complex technical initiatives, establishing best practices, and ensuring systems are scalable, secure, and efficient.
The Staff Operations Engineer leads the design, reliability, and evolution of hybrid-cloud and workplace infrastructure across multiple teams. This role involves driving complex technical initiatives, establishing architectural standards, and ensuring systems are scalable, secure, and efficient.
The Staff Data Scientist will partner with cross-functional teams to identify high-impact opportunities and develop measurement frameworks for advertising products. They will own complex analytical problems end-to-end, translating findings into clear recommendations for senior leadership.
The Staff Operations Engineer will lead the design, reliability, and evolution of hybrid-cloud and workplace infrastructure across multiple teams. This role involves driving complex technical initiatives, establishing best practices, and ensuring systems remain scalable, secure, and efficient.
The Senior Software Engineer will build and maintain internal developer infrastructure, focusing on CI/CD, observability, and Kubernetes optimization. They will also guide technical decision-making and design agentic workflows to improve developer productivity.
The Major Gifts Officer is responsible for identifying, cultivating, and closing major gifts ranging from $50,000 to over $1M. They will manage a portfolio of donors, document interactions in Salesforce, and collaborate with leadership to create compelling cases for support.
You will own the implementation of Thunderbolt product features from concept through launch, working across the full stack to build AI-powered tools for enterprise use. You will collaborate with cross-functional teams to translate product vision into executable technical plans while ensuring high standards for quality, security, and reliability.
The Senior Accounting Manager is responsible for the integrity, accuracy, and scalability of accounting operations across Mozilla's non-profit and for-profit entities. This role oversees financial close processes, treasury activities, tax compliance, audit management, and the development of internal financial controls.
The Director of Portfolio Management will lead portfolio planning, governance, and performance management across Mozilla's various organizations. They are responsible for integrating strategic priorities, managing capital allocation, and facilitating cross-organizational execution to advance the nonprofit mission.
The role involves owning the shared foundation and building blocks that allow external tools and internal teams to interact with the Firefox browser. You will define the strategy for third-party AI integrations while ensuring the platform remains secure, reliable, and compliant with open standards.
You will own the shared foundation and building blocks that allow external tools and internal teams to interact with the Firefox browser. This involves defining the strategy for third-party AI assistants and ensuring the platform remains secure, reliable, and scalable.
The role involves owning the shared foundation and building blocks that allow external tools and internal teams to interact with the Firefox browser. You will define the strategy for third-party AI assistants and ensure the reliability, security, and adoption of the browser control platform.
You will own the shared foundation and building blocks that enable external tools and internal teams to interact with the Firefox browser. This involves defining the product strategy, ensuring security and reliability, and advancing open standards like WebDriver BiDi.
You will own the shared foundation and building blocks that enable external tools and internal teams to interact with the Firefox browser. This involves defining the strategy for third-party AI assistants and ensuring the platform remains secure, reliable, and compliant with open standards.
You will own the shared foundation and building blocks that allow external software and internal teams to interact with the Firefox browser. This involves defining the strategy for third-party AI assistants and ensuring the platform remains secure, reliable, and scalable.
You will own the shared foundation and building blocks that allow external tools and internal teams to interact with the Firefox browser. This involves defining strategy, ensuring platform reliability and security, and advancing open standards like WebDriver BiDi.
You will own the shared foundation and building blocks that enable external tools and internal teams to interact with the Firefox browser. This involves defining the product strategy, ensuring security and reliability, and advancing open standards like WebDriver BiDi.
You will set the strategy and roadmap for Marketing Data Science while leading the team in developing core capabilities across performance and brand marketing. You will also partner with cross-functional teams to deliver actionable insights that drive Firefox's growth and marketing investment outcomes.
You will set the strategy and roadmap for Marketing Data Science while leading the development of core capabilities in performance and brand marketing. You will also partner with cross-functional teams to translate data-driven insights into practical recommendations that drive Firefox's growth.
You will set the strategy and roadmap for Marketing Data Science while prioritizing high-impact opportunities with key partners. Additionally, you will lead the development of core capabilities in performance marketing, brand measurement, and user insights to drive business growth.
Define and drive the product strategy and roadmap for search features within the Firefox Desktop browser. Lead end-to-end experimentation and partner with cross-functional teams to deliver privacy-respecting, AI-powered search experiences.
Define and drive the product strategy and roadmap for search features within the Firefox Desktop browser. Lead end-to-end experimentation and collaborate with cross-functional teams to deliver privacy-respecting, AI-powered search experiences.
The Engineering Manager will lead a geographically distributed team to drive improvements to the Firefox Desktop user interface. They are responsible for delivering high-quality software, managing project timelines, and fostering the professional development of team members.
The Engineering Manager will lead a geographically distributed team to drive improvements to the Firefox Desktop user interface. They are responsible for delivering high-quality software, managing team performance, and fostering an inclusive environment.
Lead technical discovery and solution design to help enterprises in the DACH region deploy Firefox Enterprise in secure, regulated environments. Partner with sales to manage technical relationships and validate interoperability across security and infrastructure systems.
Partner with sales to lead technical discovery and design solutions for Firefox Enterprise across the DACH region. Manage technical relationships with customers to ensure successful evaluation, pilot, and deployment in complex regulated environments.