Product Security Engineer - Cryptography and PKI - 1X Technologies AS - San Carlos, CA

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

Must Have

Strong experience with cryptography, PKI design, and key management

Experience working with hardware security modules (HSMs), including vendor selection, integration, and root‑of‑trust establishment

Familiarity with remote device attestation frameworks (such as fTPM, OP‑TEE, or similar)

Demonstrated ability to design and scale secure firmware signing and code signing pipelines

Proven track record in defining and enforcing trust policies (key generation, rotation, destruction) and provisioning mechanisms

Experience securing build/artifact pipelines and developing secure commun