Senior Security Engineer, Bug Bounty

Mozilla

Senior Security Engineer at Mozilla managing the Web Bug Bounty program while ensuring product privacy and safety. Collaborating with security teams on incidents and vulnerability remediation.

Posted 7/20/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$104,000 - CA$139,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing and scaling bug bounty programs, with a strong focus on vulnerability remediation and secure development practices. Proficient in collaborating with cross-functional teams and leveraging modern cloud technologies to enhance security operations.

Highest-signal resume keywords

Bug Bounty Program ManagementVulnerability RemediationCloud TechnologiesCode AnalysisSecurity Engineering

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptPythonVulnerability AnalysisRoot Cause AnalysisSoftware DevelopmentTool DevelopmentAutomationBug HuntingTriage EfficiencySecure Development Practices

Soft Skills

CommunicationCollaborationProblem-SolvingInfluencingGuiding Teams

Tools & Technologies

HackerOneBugzillaAmazon Web ServicesGoogle Cloud PlatformMicrosoft AzureHeroku

Industry Keywords

Security EngineeringIncident ResponseContinuous ImprovementResearch CommunityTechnical Validation

Tech Stack

Tools & technologies

AWSAzureCloudGoGoogle Cloud PlatformHerokuJavaScriptPythonRust

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Comp & perks

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)