Security Architect

Graphcore•Austin, TX

About The Position

We are seeking a Senior Principal Security Architect to define and lead the end-to-end hardware and firmware security strategy for next-generation ARM-based AI server platforms. You will establish a zero-trust foundation at the silicon and board level, ensuring protection of AI models, datasets, and infrastructure across the entire stack. You will work cross-functionally with silicon design, hardware engineering, firmware, and platform software teams, as well as external industry groups and open-source communities.

Requirements

MS or PhD in Computer Science, Engineering, or related field.
12+ years experience in hardware or platform security.
Deep expertise in ARM architecture including ARMv9, TrustZone, CCA, and RME.
Experience designing platform security including TPM, RoT, and cryptographic systems.
Strong understanding of firmware, OS, and virtualization security.
Expert knowledge of hardware threat landscape and attack techniques.
Strong leadership and communication skills.

Nice To Haves

Experience securing AI/ML workloads and confidential computing.
Participation in industry standards bodies (TCG, OCP, etc.).
Knowledge of SmartNIC and peripheral security.
Understanding of post-quantum cryptography.
Experience with confidential computing in AI workloads.

Responsibilities

Lead design of ARM Confidential Compute Architecture (CCA) and secure enclave environments.
Define hardware Root of Trust (RoT), secure boot, firmware update, and key management architectures.
Design security for high-speed interconnects including PCIe and NVMe encryption.
Conduct system-level threat modeling and implement mitigations against advanced attack vectors.
Guide secure firmware development including UEFI, TF-A, and OpenBMC.
Collaborate across teams and industry bodies to influence security standards and roadmaps.
Design runtime audit frameworks and attestation mechanisms.

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