Senior Prototype Systems Engineer

Senior Prototype Systems EngineerRedmond, WA12months contractQualifications:6+ years of hands-on experience in hardware prototyping, systems integration, or lab engineering, OR a relevant advanced degree + 3 years equivalent experience.Working knowledge across multiple engineering disciplines (mechanical, electrical, and software) with the ability to understand how subsystems interact.Proficiency with electrical debug tools including multimeters, oscilloscopes, and logic analyzers for signal integrity and power analysis.Experience with embedded systems debugging using tools such as adb, UART/serial consoles, JTAG, or similar interfaces.Bachelor's degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, Aerospace Engineering, Physics, or equivalent practical experience.Experience collaborating cross-functionally with hardware, firmware, and software teams to deliver integrated prototype systems.Preferred Qualifications:Experience with AR/VR or display system prototyping, including optical alignment and metrology.Familiarity with PCB design review, schematic reading, and basic soldering/rework for prototype modification.Experience with scripting or automation (Python, shell scripting) to support test, data collection, or process automation.Experience with test/debug automationExperience with latest AI tooling (eg: Claude, Codex, Gemini, etc.)Hands-on experience with mechanical assembly, including torque-sensitive and precision-alignment operations.Familiarity with firmware development environments, embedded Linux, or RTOS-based systems.Experience building and maintaining lab infrastructure, test systems, or custom instrumentation.Responsibilities:Independently identify technical gaps and take initiative to design, build, and integrate multi-disciplinary prototype systems spanning mechanical, electrical, and software domains.Integrate and validate subsystems (optical, electrical, mechanical, firmware) into cohesive prototype assemblies, ensuring proper communication and functionality across interfaces.Debug hardware and firmware issues using lab instrumentation including multimeters, oscilloscopes, logic analyzers, and power supplies to isolate root causes at the electrical level.Perform software-level debugging through tools such as adb, serial consoles, and log analysis to troubleshoot embedded systems and device firmware.Develop GUIs and streamline bring-up processes with AI practices.Develop and maintain test fixtures, jigs, and custom tooling to support prototype builds, alignment, and validation.Collaborate cross-functionally with optical, mechanical, electrical, and software engineers to translate research concepts into working prototype hardware.