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Mozilla

Senior Staff Product Manager, Browser Control Platform

Posted on 7 September 2026

About the role

💼 What you will do

• Own the foundation that lets other software drive Firefox: the secure, reliable connection an outside tool or another team uses to act inside the browser, and the building blocks they call to do it. • Enable internal teams and outside AI tools to create their own products on top of that shared layer. • Own both the shared layer and the strategy for it, in a hands-on, technical role that is as much strategy as execution. • Work in a fast-moving, greenfield space within the Firefox team. • Serve a broad opportunity spanning internal teams such as Smart Window and New Products’ automated tools, outside AI tools and their users, and web developers. • Figure out what to go after and in what order, since each audience shares the underlying technology but reaches its market differently. • Be measured on adoption across teams and tools, volume of usage through the platform, and sustained reliability and security. • Work fully remote from the UK.

📋 Job Requirements

• Come as a product-minded engineer, or a very technical PM who can drive a technical product. • Bring developer-space experience, with the range to think about consumers and internal platforms. • Set strategy comfortably in ambiguity. • Own a technical contract that other teams depend on. • Bring strong instincts on security and trust.

🌟 Nice-to-have

• Bring experience with web standards. • Bring experience with MCP. • Bring experience with browser automation. • Bring experience pushing an open standard forward, such as WebDriver BiDi. • Bring experience designing safety and consent controls for software acting on a person’s behalf. • Contact [email protected] if you need reasonable accommodations to take part in the application or interview process.

🎯 Responsibilities

• Own the shared foundation and the building blocks it gives other software, keeping them reliable and secure. • Push the open standard WebDriver BiDi forward, and build Firefox-only advantages the standard will not cover. • Design the safety controls that let a person approve actions, see when software is acting for them, and take back control. • Define the strategy for any major third-party AI assistants people already use. • Serve internal teams such as Smart Window and New Products alongside outside tools through one shared layer.

About Mozilla

😃 What Mozilla offers

• Earn a generous performance-based bonus as an eligible employee. • Access rich medical, dental, and vision coverage. • Receive generous retirement contributions with 100% immediate vesting, regardless of whether you contribute yourself. • Take quarterly all-company wellness days where everyone pauses together. • Take country-specific holidays plus a day off for your birthday. • Receive a one-time home office stipend. • Spend an annual professional development budget and a quarterly wellbeing stipend. • Take considerable paid parental leave. • Earn through the employee referral bonus program. • Access other benefits including life and AD&D cover, disability, and an EAP, varying by country.

💖 What makes Mozilla unique

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years, making brands such as Firefox, the privacy-minded web browser. More than 225 million people use its products each month, and its work spans AI, social media, security and more, without losing focus on its core mission to make the internet better for people. It is wholly owned by the non-profit Mozilla Foundation, so it answers to its mission rather than shareholders, and alongside thousands of volunteer contributors it builds and distributes open-source software.

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