Principal Software Engineer, Infrastructure Security
Core
Designing and operating planet-scale security infrastructure (auth, proxies, key management) for OpenAI's GPU supercomputing clusters and multi-cloud environments.
Role type
Principal Software Engineer, Infrastructure Security
Builds
Authentication systems, egress/ingress proxies, access brokers, key management platforms, and security primitives for GPU clusters and cloud infrastructure.
Domain
AI Infrastructure Security, Cloud Security, Distributed Systems
Deliverable
production ML models | infrastructure
Required skills
Distributed systems architecture, Security infrastructure design, Cloud platform expertise (Azure/AWS/GCP), Threat modeling, Cross-functional technical leadership, Automation and tooling development, System reliability engineering, Identity and access management, Encryption key lifecycle management, Multi-cloud network design
Preferred skills
Experience with frontier AI models and agents for security automation, Secure-by-default practices, Mentorship of engineering teams
Technologies
Kubernetes, Service meshes, CI/CD pipelines, Bare-metal hardware, Firmware, Multi-cloud networks
Responsibilities
Own architecture and roadmap for core security services, Design and implement planet-scale security systems, Lead cross-functional launches with infrastructure and research teams, Build security primitives for the platform, Develop automation tooling using frontier models, Lead design reviews and threat models, Mentor engineers on engineering quality and security practices
Seniority
Principal, hands-on IC with strategic direction
