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Mozilla

5001-10000 employees

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About Mozilla

Mozilla provides internet solutions. It offers Firefox, a web browser; Thunderbird 2, an email application; Raindrop, a prototype messaging tool that enables its users to manage a stream of messages coming from sources such as Twitter and Facebook; and Rainbow, a developer prototype that brings video and audio recording to Firefox 4.

The company also provides Bugzilla, a bug tracking system that helps its users manage software development; Camino, a web browser; SeaMonkey, an application containing a web browser, HTML editor, and web development tools as well as solutions for mobile phones; and Firefox 24, a mobile browser that enables Android users to conduct web-based video chats without a plugin.

Headquarters: Mountain View, California, United States

Industry: Browser Extensions, Web Browsers

Company Values

Our culture ensures our future

Our September 2020 employee survey confirms respect for one another and an emphasis on learning and innovation are what will ensure our future.

Because sometimes we zoom

Since March of 2020, like so many of our peers, we closed our offices and asked just over ½ of our employees, for their safety, to head home to work (the other ½ was already there). And we are all doing the best we can.

Diversity and Inclusion at Mozilla

We’ve made some progress that we’re proud of, and we have a lot more work to do.

Your career growth is part of our mission

Serving 300+ million people means our small team has a mighty mandate. Add a culture of exploration and mentorship, and there is always a new way to learn and grow here.

Truly “mission-driven”

Being wholly-owned by the non-profit Mozilla Foundation means we can focus on the real needs of people, rather than a bottom line.

The web the way it should be

Join a global community of employees, collaborators, activists, and advocates fighting to keep the internet healthy for generations.

Beyond the browser

While our Firefox family of products works to keep everyone safer and smarter online, our Mozilla initiatives focus on shaping the future of the internet.

Remote Job Openings at Mozilla (59)

Staff Data Scientist, Ads

Mozilla · Full Time · 7 hours ago
United States 10+ yrs exp Software Development

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.

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Staff Data Scientist, Ads

Mozilla · Full Time · 7 hours ago
United States $139K - $218K per year 5-10 yrs exp Software Development

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.

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Staff Operations Engineer

Mozilla · Full Time · 7 hours ago
Canada 116K - 171K per year 5-10 yrs exp Software Development

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.

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Senior Software Engineer, Cloud Engineering

Mozilla · Full Time · 2 days ago
Canada 5-10 yrs exp Software Development

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.

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Senior Staff Data Engineer

Mozilla · Full Time · 3 days ago
United States $152K - $238K per year 10+ yrs exp Software Development

Design, build, and improve systems to process data at scale while setting best-practice standards for the data organization. Drive cross-functional projects and mentor teammates to ensure the data platform effectively supports product and business decisions.

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Senior Staff Data Engineer

Mozilla · Full Time · 3 days ago
Canada 129K - 189K per year 10+ yrs exp Software Development

Design, build, and improve systems to reliably process data at scale while setting best-practice standards for the data organization. Drive cross-functional projects and mentor teammates to develop engineering excellence across the platform.

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Senior Staff Data Engineer

Mozilla · Full Time · 3 days ago
United States 10+ yrs exp Software Development

Design, build, and improve robust data systems to process massive daily data volumes while setting best-practice standards for the organization. Drive cross-functional projects and mentor team members to develop engineering excellence across the data platform.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 3 days ago
United States $185K - $220K per year 10+ yrs exp Software Development

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 and open-source contributors to translate product vision into executable technical plans and high-quality shipped experiences.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 3 days ago
Canada 155K - 185K per year 10+ yrs exp Software Development

You will own the implementation of Thunderbolt product features from concept through launch, working across the stack to build AI-powered chat, search, and enterprise workflow tools. You will also collaborate with cross-functional teams to ensure features are usable, reliable, and provide measurable value to users.

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Major Gifts Officer

Mozilla · Full Time · 8 days ago
Canada, Germany, United Kingdom +1 more $102K - $164K per year 5-10 yrs exp Others

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.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 9 days ago
Canada, United States $185K - $220K per year 10+ yrs exp Software Development

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.

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Senior Accounting Manager

Mozilla · Full Time · 9 days ago
United States $200K - $217K per year 5-10 yrs exp Finance

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.

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Director, Portfolio Management (Mozilla.org)

Mozilla · Full Time · 10 days ago
United States $240K - $280K per year 10+ yrs exp Others

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
Belgium €104K - €139K per year 10+ yrs exp Product

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
Finland €72000 - €96000 per year 5-10 yrs exp Product

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
United Kingdom £111K - £148K per year 10+ yrs exp Product

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
France €90000 - €120K per year 10+ yrs exp Product

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
Germany €103K - €137K per year 10+ yrs exp Product

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.

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Senior Staff Product Manager, Browser Control Platform

Mozilla · Full Time · 10 days ago
Netherlands €104K - €138K per year 10+ yrs exp Product

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 reliable, secure, and scalable.

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Staff Designer, Rapid Prototyping

Mozilla · Full Time · 15 days ago
Canada, United States $185K - $205K per year 10+ yrs exp Design

You will build functional prototypes and product experiments directly in the codebase to shape the Thunderbolt experience. You will also define interaction patterns for AI-powered features while collaborating with cross-functional teams to ensure enterprise-ready usability and quality.

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Staff Designer, Rapid Prototyping

Mozilla · Full Time · 15 days ago
Canada 155K - 175K per year 10+ yrs exp Design

You will build functional prototypes and product experiments directly in the codebase to shape the Thunderbolt enterprise experience. You will also define interaction patterns for AI-powered features while collaborating with cross-functional teams to ensure usability and technical quality.

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Staff Designer, Rapid Prototyping

Mozilla · Full Time · 15 days ago
United States $185K - $205K per year 10+ yrs exp Design

You will build functional prototypes and product experiments directly in the codebase to translate ambiguous product ideas into usable enterprise experiences. You will also define interaction patterns for AI-powered features while collaborating with cross-functional teams to ensure quality, security, and maintainability.

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Marketing Data Science Manager

Mozilla · Full Time · 17 days ago
Canada 149K - 220K per year 5-10 yrs exp Software Development

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.

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Marketing Data Science Manager

Mozilla · Full Time · 17 days ago
United States $166K - $260K per year 5-10 yrs exp Software Development

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.

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Marketing Data Science Manager

Mozilla · Full Time · 17 days ago
United States 5-10 yrs exp Software Development

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.

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Staff Product Manager, Search Experiences

Mozilla · Full Time · 18 days ago
United States $139K - $218K per year 5-10 yrs exp Product

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.

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Senior Staff Performance Engineer, Firefox

Mozilla · Full Time · 18 days ago
Canada 149K - 220K per year 5-10 yrs exp Software Development

You will profile and analyze performance bottlenecks across the Firefox codebase while developing strategies to improve browser speed. Additionally, you will collaborate with cross-functional teams to implement performance improvements and educate engineers on writing performant code.

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Front End Engineering Manager, Firefox Desktop

Mozilla · Full Time · 18 days ago
United States $166K - $260K per year 5-10 yrs exp Others

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.

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Senior Lead, Enterprise Partnerships & Strategy

Mozilla · Full Time · 22 days ago
Canada 140K - 180K per year 10+ yrs exp Others

You will define and execute an enterprise strategy while identifying and advancing strategic partnerships in sovereignty-focused markets. This involves developing commercial models, leading negotiations, and translating technical capabilities into clear enterprise propositions.

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Senior Lead, Enterprise Partnerships & Strategy

Mozilla · Full Time · 22 days ago
United States $175K - $220K per year 10+ yrs exp Others

You will define and execute an enterprise strategy while identifying and advancing strategic partnerships, particularly in sovereignty-focused markets. This involves developing commercial models, leading negotiations, and collaborating with product teams to translate technical capabilities into clear enterprise propositions.

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Senior Lead, Enterprise Partnerships & Strategy

Mozilla · Full Time · 22 days ago
Canada, United States $175K - $220K per year 10+ yrs exp Others

You will define and execute an enterprise strategy while identifying and advancing strategic partnerships, particularly in Europe. This involves developing commercial models, leading negotiations, and collaborating with product teams to translate technical capabilities into enterprise propositions.

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Staff Security Engineer

Mozilla · Full Time · a month ago
United States 5-10 yrs exp Software Development

The Staff Security Engineer will maintain and mature the Information Security Management System (ISMS) while leading ISO 27001 and SOC 2 compliance programs. They will partner with cross-functional teams to design controls, manage audit readiness, and translate compliance requirements into actionable security practices.

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Staff Security Engineer

Mozilla · Full Time · a month ago
Germany €81000 - €108K per year 5-10 yrs exp Software Development

The Staff Security Engineer will maintain and mature Mozilla's Information Security Management System (ISMS) while leading ISO 27001 and SOC 2 compliance programs. This role involves partnering with cross-functional teams to design controls, manage audit execution, and drive security policy development.

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Staff Security Engineer

Mozilla · Full Time · a month ago
Canada 116K - 171K per year 5-10 yrs exp Software Development

The Staff Security Engineer will maintain and mature the Information Security Management System (ISMS) while leading ISO 27001 and SOC 2 compliance programs. They will partner with cross-functional teams to drive policy creation, manage audit execution, and translate compliance requirements into practical workflows.

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Senior Mobile Engineer, iOS

Mozilla · Full Time · a month ago
Canada, United States $123K - $144K per year 5-10 yrs exp Software Development

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 of performance, reliability, and accessibility.

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Senior Software Engineer

Mozilla · Full Time · a month ago
Canada 95000 - 139K per year 5-10 yrs exp Software Development

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 on-call rotations.

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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 4 months ago
Germany €81000 - €108K per year 5-10 yrs exp Software Development

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.

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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 4 months ago
Germany 5-10 yrs exp Software Development

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.

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Senior Strategic Account Executive, Firefox Enterprise

Mozilla · Full Time · 4 months ago
Germany €74000 - €99000 per year 5-10 yrs exp Sales

Build and manage the sales pipeline for Firefox Enterprise across the DACH region, targeting large enterprises and public sector accounts. Own the full sales cycle from prospecting and qualification to negotiation and closing commercial wins.

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Senior Strategic Account Executive, Firefox Enterprise

Mozilla · Full Time · 4 months ago
Germany 10+ yrs exp Sales

Build and manage the sales pipeline for Firefox Enterprise across the DACH region, targeting large enterprises and public sector accounts. Own the full sales cycle from prospecting and discovery to negotiation and closing commercial wins.

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