Answer:
a state park
Explanation:
For people who love being active and in outdoors, they might want to avoid jobs that require them to stay behind the desk all day.
State park would be the most fit for Marcello.
Most of the time, he will be required to conduct various type of investigation to the parks (such as ensuring the trees are in good condition, making sure that no one is hunting illegally, etc) . All of these require him to be outdoors.