Remote Senior Security Engineer, Open-Source Browser
Role Description & Technical Scope
Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams.
You’ll bring 3+ years in low-level software, strong C/C++, knowledge of security fundamentals, debugging multithreaded apps, and familiarity with web tech and Rust. Remote in Spain with a range of benefits.
#J-18808-LjbffrReady to apply for this cyber security position?
This opportunity is hosted on CV-Library. Click below to view full details and submit your application.
Key Details
- Date Posted: 16 Oct 2026
- Location: , , spain
- Employment: Permanent
- Workplace: Remote
- Domain: Informática y tecnología
Need an ATS CV for this role?
Optimize your cyber CV with ATS-friendly templates before submitting your application.
Build Free CV NowEmployer Profile
Mozilla
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
More Jobs at Mozilla