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Location: Onsite — Austin, TX Employment Type: Direct Hire, Full-Time Job Title: Field Applications Engineer (Demo 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 Field Applications Engineer (Demo Engineer) to serve as the critical bridge between our engineering lab and real-world deployment. You will be the hands-on expert responsible for bringing our autonomous c-sUAS platforms to life in front of active-duty end users, government partners, and key stakeholders. From flashing software builds and calibrating multi-sensor payloads in the lab to operating systems and troubleshooting hardware live on the test range, you ensure zero-fail execution when the pressure is on. Essential Duties - Demo Operations & Execution: Lead live, dynamic flight and target-tracking demonstrations in field environments, operating autonomous counter-drone systems flawlessly under high-stakes conditions. - System Preparation & Hardware Setup: Prepare, assemble, and check complex autonomous hardware and edge-compute systems prior to field tests and customer demonstrations. - On-Site & Field Calibration: Perform precise hardware and sensor alignment, including boresighting, thermal/EO camera focusing, lens calibration, and multi-sensor orientation. - Software Deployment & Validation: Flash latest software builds, test system stability, perform integration tests, and ensure firmware/software readiness for field trials. - Rapid Field Troubleshooting: Diagnose and resolve unexpected hardware, software, networking, and sensor issues on the fly with minimal downtime during field trials. - Feedback Loop: Serve as the direct link between field reality and R&D, capturing detailed telemetry, edge cases, and user feedback to inform engineering rapid iteration cycles. Requirements - Hands-on Field/Demo Experience: Demonstrated experience deploying, operating, or troubleshooting complex hardware/software systems in real-world or live-fire test range environments. - Technical Calibration Skills: Practical experience with optical/camera calibration (focus, boresighting), sensor alignment, and field validation techniques. - System Administration & Tooling: Proficient in Linux CLI environments, firmware/software flashing tools, and basic networking/telemetry debugging. - Hardware & Electronics Proficiency: Experience with harness assembly, field repair, cable building, and multimeters/oscilloscopes for quick edge-side hardware fixes. - Travel & Physical Requirements: Willingness to travel to outdoor testing sites and demonstration ranges; comfortable working outdoors in varying terrain and weather conditions. - Compliance: This position requires access to export-controlled information under ITAR. Only U.S. citizens are permitted. Must be willing to submit a background check. Nice-to-Have - Prior experience with robotics, Unmanned Aerial Systems (UAS), counter-UAS (c-UAS), or defense range operations. - Familiarity with thermal/IR optics, RF sensors, or embedded Linux environments (e.g., NVIDIA Jetson). - Prior defense startup experience or military backgroun