Chief Mechanical Engineer - Defense Robotics (Clearance)

Green Key Resources seeks a Chief Mechanical Engineer to lead architecture, design, testing, and validation of ruggedized defense hardware. You will own the mechanical function and drive decisions across engineering, electrical, software, and manufacturing teams to deliver mission-critical products. You will oversee structural, thermal, vibration, and modal analyses, ensure DFx practices, and guide prototypes in fast-paced, high-stakes environments requiring top security clearance.