I applied online. The process took 3 weeks. I interviewed at Project 615 (Nashville, TN) in July 2017
Interview
There is an online application, they will email you back with a few more questions, then they will do multiple phone and in person interviews and most likely have random people within the company sit in and listen.
Interview questions [1]
Question 1
What would you bring on a desert island? What is your favorite band? What is your enneagram number?