About Positron AI Positron AI is building next-generation AI inference accelerators designed from the ground up for low-latency, high-throughput large language model inference. Backed by NEA.
About the role
Own the hardware security architecture for Positron's AI accelerator platform, ensuring protection of customer models, user data, firmware, intellectual property, and secure operation throughout the product lifecycle. This role spans architecture through production deployment.
What they're looking for
- 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
- A solid grasp of silicon bring-up in a security-critical context
More about this role
Own the hardware security architecture for Positron's AI accelerator platform, ensuring protection of customer models, user data, firmware, intellectual property, and secure operation throughout the product lifecycle. This role spans architecture through production deployment.
Silicon Security Architecture
- Define the overall silicon security architecture for Positron's platform.
- 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.
AI Asset Protection
- Protect customer models and weights through weight encryption and weight authentication.
- Secure data in motion via link encryption, PCIe security, CXL security, and on-chip fabric security.
- Own DRAM encryption, secure DMA, secure memory regions, and confidential computing techniques.
Threat Modeling & Security Reviews
- Perform architecture security reviews and develop attack models across the platform.
- Mitigate physical attacks, fault injection, side-channel attacks, replay...
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