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9 Mothers9 MothersAustin, TX

Electrical Engineer, Senior

Owns electrical architecture for ground-based counter-drone interceptor platforms, leading PCB design, acoustic sensor integration, power systems, and hardware debugging in rugged environments. Requires hands-on PCB expertise and real-world shipping experience.

150k – 250k/yr
On-siteHardware Engineering

About the role

Essential Duties

Board Design & Prototyping: Lead the end-to-end design of complex, multi-layer PCBs, including schematic capture and layout.

Acoustic Integration: Work closely with the Acoustic team to integrate microphone arrays, ensuring signal integrity for low-noise, multichannel audio acquisition.

Power Management: Design and optimize power distribution and control systems to support high-torque motors and edge-compute hardware like NVIDIA Jetsons.

Environmental Ruggedness: Create robust electrical designs which maintain functionality in environments with extreme temperature, humidity, and mechanical vibration.

Circuit Design: Develop robust circuits for motor controllers, sensor interfaces, and communication protocols (e.g., CAN bus and EtherCAT) that survive harsh environmental conditions.

Hardware Debugging: Utilize oscilloscopes, logic analyzers, and rework stations to identify and fix hardware-level failures during rapid iteration cycles.

Requirements

  • Proven track record of shipping real-world physical systems.
  • Mastery of Altium, KiCad, or similar for high-density PCB design and power electronics. Understanding design to meet general EMC and electrical safety requirements.
  • Hands-on experience integrating digital audio interfaces (I2S, TDM, PDM) and high-speed communication protocols.
  • A strong bias toward action and shipping; comfortable getting your hands dirty in the lab or the field.

Preferred Qualifications

  • Prior experience with DoD codes and standards as pertinent to electrical systems.
  • Experience with power systems for high-speed gimbal or turret systems.
  • Security clearance or the ability to obtain one.
  • Passion for building robots or engineering projects as a hobby.

Skills

AltiumKicadPcb DesignI2STdmPdmCan BusEthercatNvidia JetsonsOscilloscopesLogic AnalyzersPower Electronics
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