Browser Security Engineer
Kernel, San Francisco +3
The role
We’re hiring a Browser Security Engineer to harden and extend our Chromium-based browser runtime. You’ll work at the intersection of sandboxing, networking, and virtualization — ensuring our browsers run securely and efficiently across thousands of concurrent users.
https://www.onkernel.com/docs/careers/browser-security-engineer#what-you%E2%80%99ll-do
What you will do
Debug, patch, and optimize Chromium builds running inside Kernel’s microVM environments.
- Implement and maintain network isolation, proxy routing, and IP handling for browsers.
- Collaborate with infra engineers on unikernel-based isolation, process scheduling, and kernel security policies.
- Build internal tooling for binary analysis, crash triage, and vulnerability monitoring.
- Support the team in maintaining secure supply chain and reproducible builds for our browser images.