Product Security Engineer, Operating System

Confidential

Palo Alto, California, United States permanent

Posted: January 30, 2026

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Quick Summary

Design and implement security features such as secure boot, trusted execution environments, and system service hardening to protect sensitive operations and data while enabling developers to follow security best practices.

Required Skills

Linux Secure Boot Trusted Execution Environments OP-TEE System Hardening Systemd CI/CD C/C++ Device Access Control CI/CD Security Validation

Job Description

Product Security Engineer, Operating System

Palo Alto, CA (on-site)

About 1X
We build humanoid robots that work alongside people to solve labor shortages and create abundance.

The Role
We are seeking a Product Security Engineer with expertise in operating system security to strengthen the foundation of our robotics platform. In this role, you will design and implement security features such as secure boot, trusted execution environments, and system service hardening. Your work will ensure that sensitive operations and data remain protected while enabling developers to follow security best practices. This position is critical to increasing the resilience and trustworthiness of our systems.

You Will

• Develop and maintain secure critical services for Linux systems

• Implement secure boot chains using fused hardware keys with rollback protection

• Integrate OP-TEE to safeguard sensitive assets including mTLS certificates and disk encryption keys

• Harden system services using least-privilege operations, systemd features, namespacing, and syscall filtering

• Build hardening templates and automation tools to streamline security enforcement for developers

• Automate security validation processes within CI/CD pipelines

• Design and enforce device access controls for Linux systems

• Contribute and ship C/C++ code (or similar) to production environments

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