Product Security Engineer, Cryptography & PKI

Product Security Engineer, Cryptography & PKI San Carlos, CA (on-site) About 1X We build humanoid robots that work alongside people to solve labor shortages and create abundance. The Role As 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