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Software Security Architect, Operating Systems | Consumer Devices

OpenAI· Consumer Devices
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San Francisco$268k - $342k + bonusFull-timePosted 2mo ago

About the role

Senior, hands-on Software Security Architect role focused on defining the security architecture for OpenAI’s next-generation operating system, integrating hardware-backed security, and establishing trust and protective foundations for AI-enabled consumer devices.

Responsibilities

  • Define the operating system’s security architecture, trust boundaries, privilege model, and protections for sensitive user data.
  • Partner with hardware security architects to integrate roots of trust, secure elements, trusted execution environments, and processor security capabilities into the operating system.
  • Design foundational platform defenses, including secure boot, code signing, attestation, secure updates, key protection, and device recovery.
  • Establish isolation and access controls across the kernel, applications, system services, and AI workloads.
  • Define guardrails for how AI applications and agents access information, use sensors and tools, retain context, and act on a user’s behalf.
  • Lead threat modeling and architecture reviews across the platform, translating emerging threats into practical, enforceable requirements.
  • Prototype solutions, review security-critical systems code, and guide engineering teams through complex technical and product tradeoffs.

Qualifications

  • Deep experience designing or securing operating systems, kernels, embedded platforms, hypervisors, or other privileged systems software.
  • Complex understanding of operating system internals, including memory protection, process isolation, executable loading, device drivers, and privilege boundaries.
  • Experience building security architectures that span hardware, firmware, operating systems, applications, and cloud services.

Skills

Required:Operating system security architectureHardware-backed securitySecure boot and code signingThreat modelingC/C++/Rust

Benefits

  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
  • 401(k) retirement plan with employer match
  • Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
  • Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
  • 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend to fuel your professional growth
  • Daily meals in our offices, and meal delivery credits as eligible
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.
Last updated Sep 3, 2026. Interested? Apply on the company site.

About OpenAI

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