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Software Security Architect

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Software Security Architect in USA

  • San Francisco, CA

Responsibilities

  • Define the operating system’s security architecture, trust boundaries, privilege model, and sensitive-data protections.
  • Integrate hardware-backed security capabilities, roots of trust, secure elements, trusted execution environments, and processor security features into the operating system.
  • Design 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 AI applications and agents accessing information, sensors, tools, retained context, and user-authorized actions.
  • Lead threat modeling and architecture reviews and translate emerging threats into enforceable requirements.
  • Prototype solutions, review security-critical systems code, and guide engineering teams through technical and product tradeoffs.

Requirements

  • Deep experience designing or securing operating systems, kernels, embedded platforms, hypervisors, or other privileged systems software.
  • Strong understanding of operating system internals, including memory protection, process isolation, executable loading, device drivers, and privilege boundaries.
  • Experience building security architectures spanning hardware, firmware, operating systems, applications, and cloud services.
  • Practical expertise in secure boot, code signing, device identity, attestation, trusted execution, and hardware-backed key protection.
  • Ability to write or review systems code in C, C++, Rust, or comparable languages, with knowledge of secure development and exploit mitigation.
  • Experience building threat models, influencing cross-functional engineering teams, and communicating security tradeoffs clearly.
  • Helpful experience includes consumer operating systems, mobile platforms, connected devices, kernel hardening, memory-safety mitigations, virtualization-based security, secure enclave integration, AI-agent security architecture, device provisioning, manufacturing security, secure recovery, or hardware lifecycle security.

Salary: $268k - $342k/yr

OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests fi...

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