# Robotics Engineer, Senior

**Company:** [9 Mothers](https://hotfix.jobs/companies/9-mothers)
**Location:** Austin, TX
**Role:** Embedded Engineering
**Salary:** $150k – $250k/yr
**Skills:** Rust, C++, C, Pid Control, Can Bus, Rtos, Nvidia Jetson, Ekf, Ukf, Ros2, Python
**Posted:** 2026-01-26

> Designs and implements control systems for autonomous interceptor platforms, including high-bandwidth control loops, sensor fusion on embedded hardware, and motor control using Rust/C++ on RTOS. Requires expertise in control theory, embedded systems, and robotics hardware.

## Job Description

## Essential Duties
- Design and implement high-bandwidth control loops and advanced control algorithms (e.g., PID control) to ensure vehicle stability and enable high-speed, precise maneuvers under dynamic load.
- Write high-quality, efficient code (primarily Rust, C, or C++) to control and manage actuators, motor drivers (via CAN bus), and sensors on a real-time operating system (RTOS).
- Integrate and fuse sensor data from cameras and IMUs (using methods such as EKF/UKF) on embedded systems (e.g., NVIDIA Jetson) to achieve reliable, real-time state estimation.
- Act as the final link in the autonomy chain, translating tracking output from the computer vision system into reliable motor commands that accurately steer the interceptor.
- Define, build, and maintain Python tools for calibration, logging, and CI/CD, ensuring rapid iteration and deployment.

## Requirements
**Control theory & embedded systems:** Strong grasp of PID control, motor drivers, CAN bus, and RTOS fundamentals. Expertise in designing control and performance for robotics applications.

**Programming/frameworks:** Hands-on experience building embedded robotics systems. Proficiency in Rust, C, or C++ for speed and direct hardware interaction.

**Hardware:** Experience with embedded platforms such as NVIDIA Jetson and camera pipelines. Skilled in managing scopes, logic/CAN analyzers, and basic rework.

- U.S. Citizenship and the ability to pass a background check

## Preferred Qualifications
- Experience with ROS2, DDS, or similar middleware
- Model-predictive or adaptive control expertise
- PCB design and EMC awareness
- Safety-critical workflow experience
- Prior defense startup experience
- Security clearance or ability to obtain one

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