OpenAI
Software Engineer, HSM Infrastructure Security, Consumer Devices
$347K–$445K
Seattle · Full-time · Posted Oct 8, 2026
- Experience
- 5+ years experience building secure embedded firmware for constrained environments
About the job
Designs and ships security-critical software and firmware that protect cryptographic keys and enforce authorization and signing policies across OpenAI’s consumer-device ecosystem.
What you'll do
- Build and harden HSM software, firmware, interfaces, and cryptographic services.
- Implement hardware-backed key, certificate, code-signing, and device-identity systems and policies.
- Test and audit secure embedded software, threat-model trust boundaries, and integrate capabilities with partner teams.
What they ask for
- 5+ years experience building secure embedded firmware for constrained environments
- Deep programming experience in C, C++, or Rust.
Nice to have
- Hands-on experience developing security-critical software or firmware within or directly adjacent to an HSM, secure element, TEE, or hardware root of trust.
- Experience with PKI, X.509 certificates, secure boot, device identity, remote attestation, or hardware-backed storage.
Pay
$347K – $445K USD base salary
Tools
C, C++, Rust, PKCS#11, OpenSSL, ARM TrustZone, AWS CloudHSM, KMIP
Model-written summary · the original posting is authoritative