Mozilla

Manager

• Lead and support the release management team overseeing Firefox releases on Desktop, Android, and iOS
• Drive the full release lifecycle from planning and pre-release validation to post-release analysis
• Collaborate with product, engineering, QA, security, and release engineering to ensure timely, stable, and secure releases
• Define and execute pre-release validation strategies with comprehensive test coverage, in-depth risk analysis, and proactive issue management
• Design and improve metrics, dashboards, and tools to inform decisions, measure quality, and track release health
• Develop and implement processes to optimize release cadence and support phased rollout strategies
• Drive automation and operational excellence to scale release activities across platforms
• Coordinate across time zones and stakeholders, including volunteers and community contributors
• Empower teams and leadership with data-driven insights and automation

Release Manager

Full-stack Engineer

• Build and scale APIs and backend services, with a focus on Ruby on Rails
• Implement real-time validation, monitoring, and security enforcement for AI-driven workflows
• Evaluate and integrate open source and custom software solutions
• Deploy and manage applications in cloud-native environments (Kubernetes, Terraform, multi-cloud)
• Develop Rails-based features for enterprise integration, compliance reporting, and security workflows
• Build intuitive front-end components, including charting and visualization tools for monitoring and analytics
• Ensure reliability and scalability of services with performance targets (e.g., P95 <15ms latency, 99.99% availability)
• Work with security researchers and product leaders to define the roadmap
• Mentor engineers and contribute to a high-performing technical team
• Deliver key product features for on prem and cloud native core products and scale for global adoption

Staff Software Engineer

Marketing

• Develop and execute marketing programs that boost growth for Mozilla’s consumer products in Germany
• Own regional market insights/research requirements and build coordinated marketing plans grounded in data-driven hypotheses
• Partner with Product Marketing, Activations, Creative, Comms, and Brand to deliver campaigns via owned and paid channels
• Analyze program results and develop actionable recommendations post-launch in partnership with Marketing Analytics and channel leaders
• Partner with the Director Global Integrated Marketing to set program goals, develop campaigns, and run experiments that drive awareness, consideration, and usage
• Track campaign performance, document regional insights and make recommendations for ongoing improvement and optimization
• Accountable for end-to-end execution of assigned projects and strong program management

Senior Integrated Marketing Manager

• Join Mozilla to drive Firefox browser adoption via growth marketing and digital media optimization.
• Serve as the in-house champion for maximizing performance of paid media campaigns; partner with agencies and internal teams.
• Monitor and analyze the performance of global media campaigns supporting the Firefox browser on desktop and mobile platforms.
• Collaborate with our media agency to ensure campaigns are optimized for user acquisition and Return on Ad Spend (ROAS) based on Mozilla’s growth goals.
• Serve as the internal owner of media reporting — analyze data from multiple platforms to create clear and actionable insights.
• Coordinate with Mozilla’s creative and content teams to ensure compelling creative assets are being tested, refreshed and deployed in-market.
• Help prioritize and shape creative testing agendas based on campaign performance and user insights.
• Generate weekly and monthly reporting decks that synthesize findings and highlight performance trends and optimization opportunities.
• Collaborate cross-functionally with data science, product marketing and other collaborators to ensure alignment between acquisition efforts and broader product goals.
• Use knowledge of digital marketing trends and competitive benchmarks to help Mozilla succeed with its mission-driven, privacy-preserving marketing approach.

Marketing Manager – Acquisition

Human Resources

The Mozilla Foundation is a nonprofit public benefit organization focused on ensuring the Internet is a global public resource, open and accessible to all.
Join the People & Culture team to steward employee experience, talent development, engagement, performance management, People operations, and workplace policies.
HR Generalist role blending People Operations and Recruitment; manage day-to-day HR processes across full employee lifecycle.
Full-time, one-year fixed-term position with potential to become permanent.
People Operations responsibilities (~60%): manage leave processes, support benefits administration and reporting, maintain HR systems, support people analytics, knowledge management, compliance, and employee inquiries.
Recruitment & Hiring responsibilities (~40%): manage recruiting for range of roles, post jobs, source candidates, conduct screens, coordinate interviews, manage scheduling, contribute to sourcing strategies, and reinforce employee brand.

HR Generalist

• Mozilla Foundation nonprofit mission to ensure the Internet is an open, accessible global public resource
• People & Culture team owns employee experience, talent development, engagement, performance management, and policies for a remote-first organization
• Design, deliver, and measure strategies fostering an inclusive, engaging workplace across engagement, L&D, and internal communications
• Develop and execute employee engagement programs, recognition, milestone celebrations, and team-building initiatives
• Own employee survey strategy: design/deploy surveys, analyze data, report insights, and partner with leaders on actions
• Partner with P&C and leaders to identify trends and strengthen culture, retention, and satisfaction
• Define and implement L&D strategy; conduct training needs assessments and design scalable learning programs (onboarding, manager development, role-based journeys)
• Track and iterate on L&D using engagement metrics and performance outcomes; manage external learning platforms
• Develop and deliver clear, inclusive internal communications; write and publish updates, newsletters, policy changes, and toolkits
• Support change management with consistent, compassionate communication and build communications calendars aligned with organizational milestones
• Success metrics include launching an organization-wide survey, delivering at least two org-wide engagement initiatives, launching L&D programs, and measurable improvements in engagement

Employee Experience and Engagement Manager

Financial Planning and Analysis

• Lead the design of AI-powered features for Firefox on desktop, guiding ideas from early sketches to live experiences
• Combine familiar interface patterns with inventive AI features so browsing feels fresh, fast, and easy to use
• Work autonomously to identify problems and propose solutions that align with product strategy, user insights, and technical constraints
• Use storyboards, wireframes, and prototypes to explore and refine new ways for people to interact with AI in the browser
• Work side-by-side with product managers, engineers, researchers, and content designers to make design decisions that work for people and for the product
• Design with privacy, accessibility, and trust at the core of every interaction
• Help grow and adapt Firefox’s design systems to keep the desktop experience consistent and cohesive
• Design at the forefront of AI technology, shaping how people and businesses benefit from powerful new tools while influencing the future of Firefox

Staff UX Designer, AI Investment

Engineering Manager

• The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! Working in the open is the norm, and we contribute to the code driving the Firefox browser on a number of desktop platforms - Windows, Linux, and macOS. Our focus is on implementing and fixing things in Firefox as well as helping other teams make it excellent for our users.
• The Firefox Desktop Engineering Manager directs a team of geographically distributed engineers to constantly drive improvements to Firefox through innovations and enhancements to the browser user interface. We need a leader who is dedicated to building exceptional teams, creating innovative solutions, delivering top-notch software, and influencing how the world uses the internet.
• Feel good about your work again! Pursue your future while working to protect the future of the internet for everyone, everywhere.

Engineering Manager, AI Investment

Graphics Designer

• Lead the translation of strategic ideas into polished, high-impact product experiences that balance user needs, brand expression, and technical feasibility.
• Strengthen and evolve Firefox’s visual and interaction design systems, ensuring consistency and excellence across desktop and mobile platforms.
• Deliver production-ready assets and specs, follow the work through implementation, release, and post-release to measure success and learn in partnership with a cross-functional team.
• Be an active UX design team member by proposing new ideas, sharing work early and often, and giving constructive feedback to ensure a cohesive design language and product experience.
• Run usability tests of design prototypes and use existing Firefox research and data to surface insights that help solve business and user problems.
• Advocate for and incorporating best practices for inclusive design.

Senior Product Designer - Visual Design Focus

General Counsel

• Manage IP matters and advice, including software licensing matters (with a particular focus on open source software), and manage a small patent portfolio
• Manage and help to run litigation, particularly in IP, competition, and regulatory matters, as well as managing Mozilla’s amicus briefs
• Advise on Mozilla’s participation in standards bodies and participate directly in certain capacities
• Advise on competition and competition regulation, working closely with the Public Policy team
• Represent Mozilla in meetings with governments, legislators, enforcers, and regulators
• Be a trusted advisor to Mozilla’s leadership, product, and technical teams
• Collaborate closely with colleagues on the Legal & Policy teams on the intersection between IP, competition, privacy, and regulation

Senior Counsel, IP & Competition

• Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people.\n• 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.\n• About this team and role: The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! The desktop team is a multi-functional team that focuses on updates, installs and integrating Firefox with different OS platforms. As part of the team, you will be responsible for all things related to OS integration and helping us grow our user base.\n• Our team is geographically-distributed, and working in the open is the norm. We contribute to the code driving Firefox on a number of desktop platforms - Windows, Linux, and macOS.\n• What is a Staff Software Engineer? A Staff Software Engineer is the next level up from a Senior Software Engineer. At Mozilla this role can vary, but typically a staff engineer supports an engineering team, providing technical leadership, building cross-team relationships, and helping the team deliver on their objectives.\n• What you’ll do: Develop, innovate, and ship the next experience of Firefox features through installs, updates, and improved OS integrations.; Improve the ease of use and security of Firefox in large deployments by developing better administration tools.; Assess what work supports the team and product roadmap and make insightful recommendations in regards to priorities.; Work with expert software engineers to further develop your understanding of the Windows, macOS and Linux platforms.; Optimize the quality of Firefox by hunting down and fixing software defects, improving the experience of hundreds of millions of users.; Work with a geographically-distributed development team.\n• What you’ll bring: • Experience with systems programming on a major desktop platform (Windows, macOS or Linux). • Development experience on Windows and/or macOS, particularly with low-level Win32/Cocoa API coding. • A solid understanding of C/C++ and some knowledge of Rust. • You are an excellent communicator and have participated effectively on a distributed team. • You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality. • Experience working collaboratively with product managers, project managers, and/or other non-engineering teams.\n• Bonus Points: • Professional programming experience in Rust. • You have developed cross-platform desktop applications, particularly when this involves low level systems programming. • You have previously successfully contributed to an open source project.\n• We value a variety of voices within our team and at Mozilla. You don’t need to check every box on this list to apply.\n• 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; • Annual professional development budget; • Quarterly well-being stipend; • Considerable paid parental leave; • Employee referral bonus program; • Other benefits (life/AD&D, disability, EAP, etc. - varies by country).\n• About Mozilla: Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.\n• Commitment to diversity, equity, inclusion, and belonging: Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientation, gender identities, and expressions.\n• We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.\n• We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.\n• Group: C\n• #LI-DNI\n• Req ID: R2837\n• Hiring Ranges: US Tier 1 Locations\nUS Tier 1 Locations\n<div class="pay-range"><span>$163,000</span><span class="divider">&mdash;</span><span>$217,000 USD</span></div>