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Senior Product Security Engineer - Remote​/Madrid

Remote / Online - Candidates ideally in
Fort Worth, Tarrant County, Texas, 76102, USA
Listing for: Non Profit Industry
Remote/Work from Home position
Listed on 2026-08-10
Job specializations:
  • Business
    Blockchain / Web3
Salary/Wage Range or Industry Benchmark: 103603 - 149649 USD Yearly USD 103603.00 149649.00 YEAR
Job Description & How to Apply Below

Mozilla is seeking a Senior Product Security Engineer for Madrid or remote work. You will deliver major features across the Add-ons stack, focusing on security, reliability, and open collaboration. You will work with designers, product managers, QA, and community contributors to ship end-to-end improvements.

You will help build robust systems, contribute to open source, and engage with a distributed team to advance trust and safety in the Firefox Add-ons ecosystem.

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Position Requirements
10+ Years work experience
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