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Senior Security Engineer - SecOps

Firefox · Remote

unknownseniorPosted Sep 29, 2026

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About this role

**Senior Security Engineer - SecOps** *To learn the Hiring Ranges for this position, please select your location from the **Apply Now** dropdown menu.* To learn more about our Hiring Range System, please click this [link](https://docs.google.com/document/d/1ylUe7Ou0EbsOtGRBtUv1sSld3lbZ4mrYzo59tEkSjY8/edit?usp=sharing). --- ## Why Mozilla? Mozilla Corporation is a 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. 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, not companies. Our work focuses on diverse areas including AI, social media, security and more—while never losing focus on our core mission: **to make the internet better for people**. Mozilla is wholly owned by the non-profit 501(c) Mozilla Foundation, meaning we aren’t beholden to shareholders—only to our mission. Along with thousands of volunteer contributors and collaborators worldwide, Mozillians design, build, and distribute **open-source** software. --- ## About this team and role Mozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla’s products and services. In this position, you’ll be part of a flexible team responsible for handling security incidents. You’ll need years of practical security experience and knowledge of the state of the art for detecting and responding to attacks. You’ll be someone Mozillians across the company depend on and trust to respond quickly and effectively in a crunch, with strong communication and collaboration skills to work with diverse stakeholders. Most importantly, you’ll help ensure the integrity of Mozilla’s products and keep Mozilla’s users safe. --- ## What you’ll do - Identify and respond to security incidents on a global scale. - Act as an incident commander to drive incidents through the entire response lifecycle. - Design and maintain a portfolio of…

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