Member of Technical Staff Security Engineer

Skills

About the Role

You will build security tooling, automation, and infrastructure. You will secure developer and production systems, support sandbox isolation, create guardrails for AI attack vectors, protect sensitive assets, and respond to security incidents and live threats.

Requirements

• Software engineering experience building production systems in Rust, Go, Python, C++, Kotlin, TypeScript, or similar languages
• Understanding of MITRE ATT&CK techniques
• Knowledge of the role of LLMs in securing and attacking software systems
• 24/7 on-call readiness
• Experience securing distributed systems, cloud infrastructure, or large-scale production environments
• Ability to develop high-complexity cloud Linux-based exploits
• Understanding of UNIX or other operating systems, networking, authentication, authorization, and security architecture
• Experience building security automation and tooling

Responsibilities

• Design, build, and maintain security tooling and automation
• Secure developer infrastructure, CI/CD pipelines, build systems, and production services
• Support secure sandboxing and isolation for untrusted code, agent execution, and model execution
• Build guardrails against prompt injection, tool abuse, exploit chaining, and autonomous model behavior
• Protect model weights, research artifacts, datasets, and production infrastructure from unauthorized access, lateral movement, and exfiltration
• Respond to security incidents and live threats

Benefits

• Equity as a significant part of total compensation
• 401(k) plan with 6% salary matching
• Health, dental, and vision insurance for employees and dependents
• Unlimited paid time off
• Visa sponsorship
• Relocation stipend to San Francisco