Product Security Engineer - Cryptography and PKI

Product Security Engineer, Cryptography & PKISan Carlos, CA (on-site)About 1XWe build humanoid robots that work alongside people to solve labor shortages and create abundance.The RoleAs a Product Security Engineer specializing in cryptography and PKI, you will build and scale the cryptographic infrastructure that secures 1X's robots and communications. Your work will ensure trust, integrity, and long-term security across the company's hardware and software systems.You Will* Design and manage end-to-end cryptographic services, including PKI and key lifecycle management* Establish HSM infrastructure as the root of trust for firmware signing and IoT authentication* Lead the evaluation, procurement, configuration, and integration of HSM vendor solutions* Architect scalable key management systems for future growth* Design remote device attestation mechanisms leveraging technologies such as fTPM or OP-TEE* Build and automate secure pipelines for firmware and bootloader signing* Define infrastructure and policies for author key provisioning, rotation, and destruction* Secure build systems and code-signing workflows* Develop factory provisioning architecture for mass key and certificate distribution* Support secure communication protocol development* Collaborate with cross-functional teams including Product Security, Cloud Infrastructure, Device Engineering, and SecOps