Lead Mechatronics Engineer

The modern battlefield has changed. Cheap, autonomous suicide drones have turned the tactical advantage upside down, and the world is looking for a solution. At 9 Mothers, we aren’t just "innovating"—we are building the shield.

Backed by top-tier investors, we develop AI powered machines designed to intercept and neutralize Group 1/sUAS threats in real-time. Our flagship product is a low-power, counter-drone system built for the edge—on vehicles, at bases, or in a soldier's pack.

While others build for "awareness" or "long-term research," we build for the immediate survival of those in harm’s way. We are a team of hackers, engineers, and mission-driven builders who value field-ready capability over polished slide decks. If you want to see your code or hardware in the field next month—not next year—this is your playground.

We are seeking a Lead Mechatronics Engineer to act as the vital link between our mechanical, electrical, and robotics teams. You are the "glue" that ensures the software’s intent is perfectly translated into physical motion. You will own motor selection, control tuning, and the physical interface of our turret drive systems. If you can calculate the physics of high-acceleration slewing and then write the code to execute it, you belong here.

• Experience with ROS2, DDS, or similar middleware.

• Model-predictive or adaptive control expertise.

• Prior experience with gimbal stabilization, pan-tilt units, or high-speed tracking platforms.

• Security clearance or ability to obtain one.

• Passion for building robots or engineering projects as a hobby.

1. Virtual interview with Director of Mechanical Engineer and Director of Mechatronics (45 min via MS Teams)

2. Paid take-home ($500, ~8 hours)

3. Team will review your solution to the take-home assignment

4. Interview with co-founder (could be in-person or virtual, dependent on location)

5. In-person visit to Austin and/or Offer