1X Technologies
Principal Tools Engineer, Simulation
$190K–$280K
San Carlos, CA · On-site · Principal · Full-time · Posted Jul 29, 2026
- Experience
- 6+ years (Senior) or 10+ years (Staff) developing game engine tooling, simulation platforms, developer tools, or large-scale content pipelines.
- Education
- Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field.
About the job
Build simulation tooling and infrastructure that help robotics teams create environments, manage assets, automate testing, and validate robot behavior before deployment to physical robots.
What you'll do
- Build scalable tools and workflows for creating, managing, and testing simulation environments.
- Improve content pipelines for asset ingestion, environment creation, versioning, validation, and deployment.
- Integrate simulators with automated testing and CI/CD pipelines to validate robot behavior at scale.
What they ask for
- Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field.
- Strong proficiency in C++, C#, Python, or similar programming languages.
- Experience developing tools within Unreal Engine, Unity, proprietary game engines, or large-scale simulation environments.
- Experience building CI/CD pipelines, automated testing frameworks, or deployment systems.
Nice to have
- Experience building simulation platforms for robotics, autonomous systems, gaming, or digital twins.
- Experience developing end-to-end asset and content management pipelines.
Pay
$190,000 – $280,000 (base salary)
Tools
C++, C#, Python, Unreal Engine, Unity, ROS/ROS2, Isaac Sim, Gazebo
AI focus
The simulation tooling supports development of embodied AI; the role builds infrastructure to create and test simulation environments and validate robot behavior.
Model-written summary · the original posting is authoritative