Senior Security Software Engineer, Sandbox Platforms
Roblox · San Mateo
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- Company
- Roblox
- Location
- San Mateo
- Salary
- $269,170 — $326,060
- Posted
- September 15, 2026
About this job
About the role We build the isolation layers that contain untrusted and semi-trusted code. You will design, build, and harden process sandboxes across one or more of Linux, macOS, and Windows, the last line of defense when something inside goes wrong. This is a deep systems role for someone who thinks in terms of attack surface, threat models, and the exact boundary between trusted and untrusted. You Will: Design and implement sandboxes using platform primitives: nsjail, seccomp-bpf, namespaces, cgroups, and Landlock on Linux; the Seatbelt (sandbox_init / SBPL) and related mechanisms on macOS; AppContainer, job objects, restricted tokens, and integrity levels on Windows.…
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