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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior UAS Systems Integration Engineer II - **Company:** Flagship Pioneering, Inc. - **Location:** Louisville, CO, United States - **Experience:** Expert - **Salary:** $95,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Systems Engineering, C++ (Programming Language), Data Integrity, Software Debugging, Firmware, Python (Programming Language), PID Controllers, Software Systems, Systems Integration, Test Scripts, Information Technology, Pcb Layout - **Published:** September 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=733d03dd2268b0ce ## About the Role * Bachelor's or Master's degree in aerospace engineering, electrical engineering, mechanical engineering, computer science, or a closely related field; equivalent hands-on experience will be considered. + BS + 2-4 or MS + 0-2 years of hands-on hardware/software systems integration experience required, in real-mission or production contexts; * Proficiency in C++ and Python, with demonstrated experience reading, modifying, and debugging ArduPilot source code; strong familiarity with MAVLink protocol and GCS tooling; * Hands-on experience with ArduPilot or PX4 based autopilot systems, preferably in production-ready or real-mission contexts; * Experience with RF link design, C2 spectrum compliance, antenna selection, and electronics integration for long-range UAV systems; * Electronics design and integration experience required; PCB design and fabrication experience is a strong plus; * FAA Part 107 Remote Pilot Certificate is a plus (or the ability to obtain is required); BVLOS waiver experience is a strong plus; * Ability to work hands-on across the full hardware stack - from firmware and avionics to airframe fabrication and field deployment - in a small team environment; * Experience with atmospheric sensing instrumentation or science payload integration is a strong plus; * Strong documentation and engineering rigor: changelogs, test reports, design rationale, and component specifications suitable for future scaling and external review; * Genuine passion for building novel aerial systems with real-world scientific impact, and comfort operating at the frontier of hardware, firmware, and systems engineering. ## Description We are seeking a UAS Systems Integration Engineer II to join our growing hardware team. This is a deeply technical, hands-on engineering role for someone who lives at the intersection of firmware, electronics, and airframe design. You will help drive the development of the technical architecture of our fixed-wing UAV platform - co-developing the autopilot stack, airframe, payload integration, and C2 link from the ground up. Working within a small, high-caliber team, you will drive the system from early prototype toward a hardened, field-deployable platform capable of executing precision scientific missions in demanding international environments. The ideal candidate brings end-to-end systems thinking and a builder's instinct - equally comfortable in CAD, oscilloscope traces, and firmware source code., * Configure, tune, and iterate on autopilot firmware for fixed-wing airframes, including PID tuning, failsafe logic, auto modes, and mission scripting using ArduPlane; * Read, modify, and debug ArduPilot source code (C++) to extend autopilot capabilities, implement custom behaviors, and resolve vehicle-level anomalies; * Design, build, and iterate on fixed-wing airframes across aerodynamics, structures, and propulsion integration - optimized for payload capacity, endurance, and operational resilience; * Support flight test campaigns alongside flight operations - pre-flight vehicle readiness checks, ground station and telemetry setup, in-field troubleshooting, and rapid turnaround of firmware and hardware fixes between flights; * Develop C2 link architecture, RF link budgets, electronics integration, and spectrum compliance strategies for long-range BVLOS operations; * Design and implement custom ground station software and user interfaces to support mission planning, real-time monitoring, and post-flight analysis; * Integrate and validate onboard science payloads and sensors, ensuring electrical compatibility, data integrity, and mission performance; * Analyze flight logs (MAVExplorer, Flight Review) to diagnose anomalies, validate performance models, and drive systematic improvements to vehicle reliability; * Design and fabricate custom electronics, including PCB layout for power distribution, sensor interfacing, and avionics integration; * Document designs, test results, firmware change logs, and component specifications to build a scalable engineering knowledge base for the drone program. ## Related Videos - [Robots are coming into the wild! 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