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   a      a      a      A      a      an      an      The      The      The      the      the      the      the      the      the      The      the  
America's space agency NASA has exciting new job opening to protect Earth from aliens. The position is for Planetary Protection Officer (PPO). successful applicant will be responsible for making sure no life forms from outer space come to Earth. PPO makes sure astronauts and space equipment do not come back from space with any alien bacteria. position was posted on website. According to post, new PPO will get yearly salary of up to $187,000. The job contract is for three years, but could be extended for additional two years. It is one of most unique job positions in world. NASA only employs two PPOs. The job is only open to U.S. citizens and U.S. nationals.

People who want to apply for job must be well qualified. Candidates must have "broad engineering expertise" and have degree in physical science, engineering or mathematics. The candidate must also show they have experience in "planning, executing, or overseeing elements of space programs of national significance". final requirement is that the candidate has "skills in diplomacy that resulted in win-win solutions during extremely difficult and complex multilateral discussions". new PPO will be responsible for planning several future NASA missions. One of these will be trip to one of Jupiter's icy moons, Europa. The mission will search for signs of alien life on moon.

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