I applied in-person. The process took 2 weeks. I interviewed at Rush Enterprises (Dallas, TX) in Mar 2014
Interview
sat down with service manager and general manager, they asked multiple questions about my background and knowledge on certain engines and transmissions, they also gave a tour of the shop and took me out to eat lunch with them after the interview.
Interview questions [1]
Question 1
They asked if i had any Certifications relating to their equipment.