Job Purpose 003:An astronaut's job involves piloting and maintaining spacecraft, conducting experiments and research in space, and ensuring the safety of crew members. They may also be involved in launching satellites, operating robotic equipment, and communicating with Earth-based mission control.An astronaut's job involves piloting and maintaining spacecraft, conducting experiments and research in space, and ensuring the safety of crew members. They may also be involved in launching satellites, operating robotic equipment, and communicating with Earth-based mission qa..