Our customer, a well-funded client, is seeking a senior Security Engineer to secure infrastructure that runs untrusted code at a 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 micro-VM-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
Qualifications
5+ years of experience securing production infrastructureDeep hands-on experience with Linux security primitives such as seccomp, eBPF, and namespacesExperience securing distributed systems at scaleFamiliarity with compliance frameworks, including SOC 2, ISO 27001, and GDPRComfortable working close to the system; kernel-level security experience is a plusMust have :
Fast-paced startup experience (ideally, seed-Series B) working on a small team (>50 total)
Proficiency in Go, Rust, or TypeScript.Deep expertise in Linux security primitives (seccomp, eBPF, namespaces).Willingness to work 4 days on-site in San Francisco.5+ years of experience in production security infrastructure, securing distributed systems at scaleExperience securing distributed systems at a massive scale.Experience with container security and microVM hardening.Miscellaneous
San Francisco Bay Area, 4 days in the office
Sponsorship : Is NOT available for this position
Compensation : 180,000 - $210,000 DOE plus benefits
Applicants must be authorized to work for any U.S. employer.
Staff Smart, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, genetic information, disability status, or any other characteristic protected by law.