Product Security Engineer, Cryptography & PKI

About 1X

We’re an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomously.
We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.
We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.

Role Overview

As a Product Security Engineer specializing in cryptography and PKI, you will be responsible for designing, implementing, and scaling cryptographic infrastructure that underpins the security of our firmware, devices, and communications. You will drive work from root‑of‑trust with hardware security modules (HSMs), build secure pipelines for firmware and certificate management, and collaborate across teams to embed best practices in secure device provisioning, attestation, and lifecycle management. Your impact will help ensure the integrity and trustworthiness of our robot fleet at scale.

Responsibilities

• Design and manage end‑to‑end cryptographic services, including public key infrastructure (PKI) and key lifecycle management

• Establish HSM infrastructure as the root‑of‑trust for firmware signing and IoT endpoint authentication

• Lead evaluation, procurement, installation, configuration, and integration of HSM vendor solutions

• Architect key management systems that scale from hundreds of devices today to millions over time

• Design remote device attestation mechanisms (e.g. fTPM, OP‑TEE, or equivalent) tied to the HSM root‑of‑trust

• Build and automate secure firmware/bootloader signing pipelines

• Define trust infrastructure and policies for author key generation, provisioning, rotation, and destruction

• Secure build/artifact pipelines and code‑signing workflows

• Develop factory provisioning architecture for mass key/certificate distribution

• Support the development of secure communication protocols

• Collaborate closely with Product Security, Cloud Infrastructure, Device Engineering, and SecOps teams as an individual contributor