
501 - 1000 employees
Founded 1998
👥 B2C
🔒 Cybersecurity
B2C • Cybersecurity • Software
Mozilla is a non-profit organization dedicated to promoting an open and accessible internet. They are the makers of the popular Firefox browser, which emphasizes user privacy, speed, and control. Mozilla also offers a range of products that focus on internet security and privacy, including Mozilla VPN, Firefox Relay, and Mozilla Monitor. Additionally, the organization is involved in open-source projects, AI innovation, and advocating for digital rights. Mozilla aims to empower users with trustworthy technology and policies that protect privacy, support open-source AI development, and foster accountability for tech companies.
🕒 June 26
🇬🇧 United Kingdom – Remote
💵 £65k - £87k / year
⏰ Full Time
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
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501 - 1000 employees
Founded 1998
👥 B2C
🔒 Cybersecurity
B2C • Cybersecurity • Software
Mozilla is a non-profit organization dedicated to promoting an open and accessible internet. They are the makers of the popular Firefox browser, which emphasizes user privacy, speed, and control. Mozilla also offers a range of products that focus on internet security and privacy, including Mozilla VPN, Firefox Relay, and Mozilla Monitor. Additionally, the organization is involved in open-source projects, AI innovation, and advocating for digital rights. Mozilla aims to empower users with trustworthy technology and policies that protect privacy, support open-source AI development, and foster accountability for tech companies.
• Deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub. • Create robust observability systems and data-backed insights. • Provide peer feedback, share knowledge and help others grow. • Improve platform reliability through deployments, monitoring, and incident response. • Help keep the platform safe and trustworthy, with attention to security and user trust. • Step in to resolve issues impacting users and developers, from small bugs to larger incidents. • Collaborate with designers, product managers, QA, and community contributors to deliver end-to-end improvements. • Contribute in the open through pull requests, code reviews, and discussions. • Work on: • Full stack development: React/TypeScript frontends, Django backend, MySQL datastore. • Platform reliability: deployments, monitoring, and incident response on Google Cloud. • Feature development: submission flows, trust and safety signals, DevHub and Reviewer tools modernization. • Ecosystem moderation: abuse report management, policy compliance, and ecosystem safety. • Open collaboration: We work in the open, with contributions from Mozilla staff and community members.
• Experience building modern web applications. • Strong experience with Python/Django or similar backend frameworks. • Understanding of web security principles and practices. • Strong collaboration and communication skills in a distributed team environment. • Adept at navigating ambiguity, exploring solutions, and shaping direction in new problem spaces. • Commitment to our values: • Welcoming differences • Being relationship-minded • Practicing responsible participation • Having grit • Bonus points for: • Experience in building automated security systems. • Exposure to cloud infrastructure (Google Cloud or similar). • Contributions to open source projects. • Experience with policy-compliant ecosystem moderation tools.
• 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)
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