Software Engineer, HSM Infrastructure Security at OpenAI
About the role
Responsibilities Design and implement security-critical software and firmware for HSMs, secure elements, trusted execution environments, and hardware roots of trust. Build and harden policy-to-HSM boundaries that authorize certificate issuance and cryptographic signing operations. Develop HSM trusted applications, firmware components, host interfaces, device drivers, SDKs, middleware, and cryptographic service integrations. Implement interfaces such as PKCS11, OpenSSL providers or engines, plat…
Interview process at OpenAI
General interview process (this company's specific loop isn't published - reach out if you have insider info).
- Recruiter phone screen - typically 20-40 min
- Technical screen - 1 coding problem or take-home; format varies by company
- Onsite / virtual loop - typically 4-6 rounds over 2-3 weeks; exact split of coding, systems design, and behavioral varies by role and location
Platforms used: unknown — MiPrep tested compatible with major platforms
How to prepare
MiPrep helps you rehearse the specific cadence and question types OpenAI interviewers score on. Upload your resume and this job description; MiPrep generates a rehearsed answer set in your voice from your own projects.