Senior security engineer building hardening features for Firefox browser.
Design and implement security features strengthening Firefox's defenses across operating systems, focusing on privilege isolation and cryptographic protocols. You'll diagnose and fix issues in complex multithreaded native code while collaborating across distributed teams. Requires 3+ years systems programming in C/C++, security fundamentals knowledge, and familiarity with web technologies and modern systems.
Membership is €29/month, cancel anytime: every rate, every original listing link, and a daily alert for roles matching your filters.
Found at a specialist agency · listed 15 October 2026 · InsideJobs links you to the original posting.