A NASA Human Factors job focuses on studying and designing systems, equipment, and environments to optimize human performance, safety, and comfort in space and aviation. Specialists in this field apply psychology, engineering, and ergonomics to improve astronaut performance, workspace design, controls, and habitability in spacecraft and mission operations. They work on challenges such as mitigating fatigue, enhancing crew communication, and designing intuitive interfaces. Their work ensures that space missions are safe, efficient, and aligned with human capabilities and limitations.