Complex sentence: At the age of 16, he got hired to pick up trash at SeaWorld and lived out of their travel trailer, and after helping out the trainers and a lot of hard work, Silverman was hired as a trainer.
Split into simpler sentences: At the age of 16, he got hired to pick up trash at SeaWorld and lived out of their travel trailer. After helping out the trainers and a lot of hard work, Silverman was hired as a trainer.