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Location: Onsite — Austin, TX Employment Type: Direct Hire, Full Time Job Title: Staff Electrical Engineer About 9 Mothers 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. Why 9 Mothers? 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. Position Summary We are seeking a Lead Electrical Engineer to own the electrical architecture of our ground-based interceptor platforms. You will be responsible for the "nervous system" of our machines, from high-speed PCB design to complex sensor integration. This role is for a builder who can prototype a board in the morning and debug it in the field by the afternoon. You will play a critical role in integrating our custom acoustic sensing arrays and ensuring our power systems can handle high-speed tracking and rapid-response turret actuation. You will maintain ownership of electrical designs from concept to production. Essential Duties - Board Design & Prototyping: Lead the end-to-end design of complex, multi-layer PCBs, including schematic capture and layout. - 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. - High Speed Circuit Design: Develop robust edge compute hardware such as carrier boards for NVIDIA Jetson SOMs 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 - Experience: Proven track record of shipping real-world physical systems. - Technical Depth: Mastery of Altium, KiCad, or similar for high-density PCB design and power electronics. Understanding design to meet general EMC and electrical safety requirements. - Bias for Action: A strong bias toward action and shipping; comfortable getting your hands dirty in the lab or the field. - Compliance: U.S. Citizenship and the ability to pass a background check Nice to Have - 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. Benefits - Meaningful Early Equity: You aren't just an employee; you are a foundational owner. Your contributions directly drive the value of your stake in the company. - Direct Roadmap Influence: Forget the bureaucracy of big defense. You will have a seat at the table, directly shaping our product and technology trajectory from day one. - Mission-Critical Work: We don't build for "what if." We build systems the Department of War actively needs to counter immediate, real-world threats. - The Builder's Playground: Work in a brand-new lab fully optimized for rapid prototyping, equipped with NVIDIA Jetsons, high-end scopes, and 3-D printers. - 100% Employer-Paid Premiums: We cover 100% of your medical, dental, and vision