Lead Security Engineer for Frontier AI Infrastructure

Prime Intellect AI; San Francisco (CA); Hybrid; USD 180,000 - 350,000; Full time

Benefits offered by this job

Remote or SF office option

Visa sponsorship

Professional development budget

Team off-sites

Equity incentives

Job summary

Prime Intellect AI is building the frontier AI platform where security governs hosted RL training, multi-tenant GPUs, and the full stack from data to model artifacts. You will embed security into every layer, partner with engineering, research, and leadership, and shape our security posture as we grow.

The role offers remote-friendly options with a San Francisco office, and you will own external testing, incident response, and trust documentation for enterprise customers.

Qualifications

• Minimum 5+ years in security engineering or related roles.
• Experience with multi-tenant cloud infrastructure.
• Proficiency in cryptography, IAM and SDLC practices.

Responsibilities

• Own threat modeling across multi-tenant RL training infra and sandboxed environments.
• Design zero-trust networking and access control for distributed GPU clusters.
• Lead external penetration tests and manage remediation SLAs.
• Develop incident response playbooks and run security drills.
• Drive SOC 2 readiness and security documentation for customers.

Skills

Security engineering

Cloud security

Kubernetes security

Python

Tools

eBPF

Falco

Job description

Prime Intellect AI is building the frontier AI platform where security governs hosted RL training, multi-tenant GPUs, and the full stack from data to model artifacts. You will embed security into every layer, partner with engineering, research, and leadership, and shape our security posture as we grow.

The role offers remote-friendly options with a San Francisco office, and you will own external testing, incident response, and trust documentation for enterprise customers.