The Mozilla Corporation was founded in 2005 as a taxable, wholly-owned subsidiary of the Mozilla Foundation, which launched in 2003. The corporation serves the
Senior Security Engineer, Bug Bounty
Location
Canada
Posted
6 days ago
Salary
$104K - $139K / year
Seniority
Senior
Job Description
Senior Security Engineer, Bug Bounty
Mozilla
• Own and scale Mozilla’s web bug bounty program, including strategy, prioritization, KPIs, and continuous improvement • Act as the primary interface with external researchers and platforms (e.g., HackerOne), fostering a high-quality and trusted research community • Lead triage and technical validation of incoming reports across multiple intake channels (HackerOne, Bugzilla, email) • Drive end-to-end vulnerability remediation, partnering with engineering teams to ensure timely, effective fixes • Identify root causes and systemic issues, and influence long-term improvements in secure development practices • Collaborate with the Security Incident Response Team (SIRT) on active incidents and post-incident reviews • Perform targeted code reviews (primarily JavaScript and Python) during investigations and high-risk changes • Develop or leverage tooling to improve triage efficiency, signal quality, and program insights
Job Requirements
- 3+ years of demonstrated ability in a security engineering role.
- Experience operating bug bounty programs, including enhancements, automation and scaling, and/or bug hunting
- Practical experience working with modern cloud technologies (eg. Amazon Web Services, Google Cloud Platform, Heroku, Microsoft Azure, etc.)
- Experience analyzing code and systems to move from vulnerability → root cause → prevention
- Real-world experience in software development and/or engineering operations
- Ability to develop your own tools as needed in a variety of programming languages (eg. Python, Go, Rust, Javascript, etc.) is a plus, but not required.
- Strong communication, collaboration, and problem-solving skills, with the ability to influence and guide cross-functional teams.
- Formal credentials are great, but real-world experience, curiosity, passion and a growth mindset matter more.
Benefits
- 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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