Security Engineer (Infrastructure / Linux)

A well-funded client is seeking a senior Security Engineer to secure infrastructure that runs untrusted code at massive scale. This role is focused on Linux and infrastructure security, balancing strong isolation guarantees with high-performance requirements in a distributed environment.


Responsibilities

• Secure high-scale infrastructure executing untrusted workloads.
• Design and implement defense-in-depth security for sandboxed and microVM-based systems.
• Build real-time threat detection across large numbers of concurrent environments.
• Apply Linux security primitives to enforce isolation and runtime protection.
• Ensure compliance with enterprise security standards while maintaining low-latency performance.

Tech Stack
Go, Rust, C, TypeScript, Linux security, container hardening

• Cover full healthcare, vision, and dental insurance, and offer unlimited PTO.
• Series A startup with 7-figure revenue
• Small team, real impact