Mozilla
Senior Security Engineer, Add-ons Operations
Remote Firefox role with clear candidate location fit.
PostedRecently added
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
Canada
Role overview
Senior Security Engineer, Add-ons Operations
Requirements and responsibilities
Readable role content extracted into sections for faster review.
Details
- 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.
- 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
- Welcoming differences
- Being relationship-minded
- Practicing responsible participation
- Having grit
- 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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