Planetary instrumentation engineers design high-precision scientific payloads such as spectrometers, imagers, environmental sensors, radiation detectors, and robotic sampling instruments for planetary exploration. They work on optical systems, sensor integration, thermal regulation, vibration resilience, and radiation tolerance. They collaborate with planetary scientists, robotics teams, and mission designers to ensure instruments perform under extreme extraterrestrial conditions. Their contributions enable breakthroughs in planetary geology, atmosphere studies, astrobiology, and deep-space science.