Hardware Security Architect, Principal
Positron AIVisit Positron AI website
Positron AI builds hardware and software for energy-efficient generative-AI and Transformer-model inference.
Series CRecently funded
Reno, Nevada, United States
Funding history
Investors
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.
Skills
Candidate Availability
About the Role
You will own the hardware security architecture for an AI accelerator platform, from architecture through production deployment. You will define silicon security, protect customer models and data, perform threat modeling and security reviews, partner with cross-functional teams, track security standards, and apply AI-assisted techniques.
Requirements
- 12+ years of experience in hardware security architecture
- Deep expertise in secure boot and hardware root of trust design
- Strong cryptography and key management ability
- Hands-on experience with secure manufacturing processes
- Solid grasp of silicon bring-up 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 via link, PCIe, CXL, and on-chip fabric security
- Own DRAM encryption, secure DMA, secure memory regions, and confidential computing
- 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
- Stay current with NIST, FIPS, CCA, RISC-V, Arm security standards, and post-quantum cryptography
- Apply AI-assisted techniques for threat modeling, security verification, and documentation
Benefits
- Equity
- Fully company-paid medical, dental, and vision insurance for you and dependents
- Company-paid life and disability coverage
- Supplemental hospital, critical illness, and accident coverage available
- Unlimited paid time off
- 13 paid company holidays
- Remote-first culture with company-provided computer and home office setup
- 401(k) with company matching from day one
