Principal Hardware Security Architect

Positron AI builds hardware and software for energy-efficient generative-AI and Transformer-model inference.

Reno, Nevada, United States
About Positron AI

Reno-based AI-infrastructure company whose currently shipping Atlas inference server is complemented by planned Asimov custom accelerator silicon and Titan inference systems.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will own the hardware security architecture from design through production deployment. You will define secure boot, root of trust, key management, secure manufacturing, model and data protections, threat models, and security reviews while partnering with engineering and security stakeholders.

Requirements

  • 12+ years of hardware security architecture experience
  • Secure boot and hardware root of trust design expertise
  • Cryptography and key management ability
  • Secure manufacturing process experience
  • Silicon bring-up experience in a security-critical context

Responsibilities

  • Define the overall silicon security architecture
  • Own secure boot, hardware root of trust, chain of trust, authenticated firmware, and measured boot
  • Own secure debug, secure manufacturing, fuse programming, key provisioning, and device identity
  • Own key ladders, anti-rollback protections, JTAG security, scan access control, and lifecycle states
  • Protect customer models and weights through encryption and authentication
  • Secure data in motion, PCIe, CXL, on-chip fabric, DRAM, DMA, and memory regions
  • Perform architecture security reviews and develop attack models
  • Mitigate physical, fault-injection, side-channel, replay, firmware, and supply-chain attacks
  • Partner with firmware, software, architecture, DFT, validation, manufacturing, and cloud security teams
  • Apply AI-assisted techniques to threat modeling, verification, coverage analysis, and documentation

Benefits

  • Fully company-paid medical, dental, and vision insurance for employees and dependents
  • Company-paid life and disability coverage
  • Supplemental hospital, critical illness, and accident coverage
  • Unlimited paid time off
  • 13 paid company holidays
  • Company-provided computer and home office setup
  • 401(k) with company matching from day one
  • Equity
Principal Hardware Security Architect at Positron AI | JobStash