Jobs at Mozilla

Positions 1,418

Mozilla is the nonprofit behind the Firefox browser, championing an open, secure internet. Its mission centers on user privacy, free web standards, and community‑driven development. The company’s products power millions of devices worldwide and contribute to open‑source projects like Rust and WebAssembly.

Mozilla hires for a broad spectrum of roles, including software engineering, product management, UX design, data science, sales and marketing, and community engagement. Candidates often work in cross‑functional teams, use agile practices, and have opportunities to contribute to open‑source code or public policy initiatives. Remote work is common, with flexible hours and a focus on work‑life balance.

By reviewing Mozilla listings on Job Transparency, you gain access to real salary ranges, employee sentiment scores, and market comparisons. This data lets you benchmark offers, negotiate confidently, and choose roles that match your career goals and compensation expectations. Transparency also reveals remote‑work policies and benefits, helping you evaluate the full package before applying.

Staff People Partner, Global Go-to-Market Partnerships

Company: Mozilla

Location: Remote

Posted Sep 22, 2022

Mozilla is looking for a Staff Human Resources Business Partner to contribute to their success by acting as a strategic business partner to executives and senior leaders. The role involves building and maintaining trust-based relationships across the People Team, with leaders, and with Mozillians.

Senior Encryption Software Engineer

Company: Mozilla

Location: Silicon Valley CA

Posted Sep 24, 2022

The job posting is for a CTO team member at Mozilla, responsible for improving Firefox and web security. The role requires experience with web and security technologies, and a passion for protecting users. Mozilla values diversity and inclusion, and offers a remote work option.

Sr. Staff Financial Modeler

Company: Mozilla

Location: Remote

Posted Sep 23, 2022

Mozilla Finance is seeking a Financial Modeling Specialist to lead their business modeling function, develop cross-functional business partnerships, and improve financial reporting. The role requires a pragmatic self-starter with strong analytical and problem-solving skills.

Staff Content Designer (UX Copywriter)

Company: Mozilla

Location: Remote

Posted Sep 22, 2022

The job posting is for a Staff Content Designer on the UX team at Mozilla, responsible for creating content requirements and deliverables for priority projects, collaborating with UX designers and user researchers, and contributing to the content design practice. The ideal candidate has 8+ years of professional UX writing/content design/content strategy experience, a portfolio that demonstrates the ability to solve user problems, and a passion for quality content and thoughtful work.

Communications & PR Manager

Company: Mozilla

Location: Remote

Posted Sep 21, 2022

Mozilla is looking for a Communications & PR manager to join their team and help spread their mission-driven message. The ideal candidate will have experience in creative storytelling, media relations, and integrated communication campaigns.

Manager, Corporate Development

Company: Mozilla

Location: Silicon Valley CA

Posted Sep 23, 2022

Mozilla Corporation is a non-profit-backed technology company that aims to be the trusted guide through a joyful internet. They design, build, and distribute software that enables people to enjoy the internet on their terms. The company is seeking a manager for its Business and Corporate Development team, who will participate in all aspects of the deal lifecycle.

Senior Director, People Business Partner

Company: Mozilla

Location: Silicon Valley CA

Posted Sep 19, 2022

Mozilla is seeking a Senior Director of People Business Partners to lead their people business partner function and strategy. The ideal candidate has experience in human resources and people leadership, and is expected to develop and execute the company's people strategy.

Security Engineer - Incident Response

Company: Mozilla

Location: Remote

Posted Sep 22, 2022

Mozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla's products and services. The job requires years of practical security experience, knowledge of detecting and responding to attacks, and excellent communication and collaboration skills.

Mixed Reality Marketing Manager - VR AR 3D

Company: Mozilla

Location: Remote

Posted Sep 21, 2022

The Hubs team is hiring a lead product marketing manager to help bring new products and services related to the 3D immersive web to life. The role is on the Hubs leadership team, where the candidate will be responsible for marketing and communication planning and direction. The candidate should have a thorough knowledge of the games or immersive technology industry and be able to work cross-functionally across teams to develop the go-to-market strategy for Hubs.

Staff Software Engineer - Mozilla VPN

Company: Mozilla

Location: Remote

Posted Sep 20, 2022

Mozilla is a company that values diversity, equity, and inclusion, and is committed to building the internet as a public resource accessible to all. The company's mission is to make sure the internet stays available, safe, and welcoming to everyone, and its products aim to protect users' data and contribute to a safer internet.

Senior Product Designer

Company: Mozilla

Location: Portland OR

Posted Sep 23, 2022

The job posting is for a Senior Product Designer position at Mozilla, a company that values diversity, equity, and inclusion. The role involves designing products and services that promote a healthy internet, and the company is seeking a team member who has experience in agile product development and UI design.

Thunderbird Front-End Web Developer

Company: Mozilla

Location: Remote

Posted Sep 21, 2022

The job posting is for a front-end web development position at MZLA Technologies Corporation, a subsidiary of Mozilla Foundation. The company is looking for a multi-skilled self-starter to work on various projects, including designing and implementing new websites, improving existing ones, and collaborating with the community.

Frequently Asked Questions

What is it like to work at Mozilla?
Mozilla fosters a collaborative culture where developers, designers, and policy experts co‑design products that protect user privacy. Employees enjoy open‑source contributions, flexible remote schedules, and regular hackathons. The mission‑driven environment emphasizes impact, so teams are rewarded for measurable improvements to the web and community outreach.
What types of positions are available at Mozilla?
Mozilla offers roles across software engineering, front‑end and back‑end development, data science, UX/UI design, product management, security, sales, marketing, community management, and public policy. Technical roles often require proficiency in languages such as Rust, C++, JavaScript, and Python, while non‑technical roles value project management, communications, and community engagement skills.
How can I stand out as an applicant?
Show a clear alignment with Mozilla’s values by highlighting open‑source contributions, privacy‑focused projects, or community outreach. Quantify past impact—e.g., code reviews, feature adoption, or user growth metrics—and tailor your resume to the specific role’s requirements. Prepare for Mozilla’s interview process by mastering technical challenges, practicing behavioral questions around collaboration and mission focus, and demonstrating curiosity about emerging web technologies.

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