The ideal candidate brings strong hands-on mechanical design and CAD expertise, experience with complex assemblies and integrated systems, demonstrated prototyping and analysis skills, and the ability to work effectively within cross-disciplinary teams spanning mechanical, electrical, RF, power, manufacturing, and systems engineering. Role Overview: CHAOS is seeking a Senior Staff Mechanical Engineer to lead the design, development, packaging, integration, and qualification of ruggedized electronic hardware, sensor systems, avionics, and related mission-critical hardware for dual-use aerospace and defense applications.