Software Engineer, Host Assurance
Core
Build and operate services, APIs, and host software to establish trust in OpenAI's compute infrastructure (bare-metal and VMs) before production use.
Role type
Senior IC infrastructure security engineer (host assurance)
Builds
Host assurance platform components including machine identity, certificate issuance, host attestation, and baseline verification tooling.
Domain
Cloud infrastructure security, hardware/firmware validation, PKI, and trust services
Deliverable
production ML models | product features | infrastructure
Required skills
distributed systems, backend/platform engineering, operating systems, infrastructure security, production system operations, on-call support
Preferred skills
PKI, HSMs, machine identity, attestation, secure boot, hardware security, firmware validation
Technologies
HSM, PKI, APIs, orchestration systems
Responsibilities
Design and operate trust-establishment components for hosts; validate hardware/firmware against vendor claims; eliminate insecure bootstrap patterns; own software components through launch and operation; define observable security properties and telemetry; work across deployment models and provider boundaries.
Seniority
Senior, hands-on IC
