Lengthy and rigorous for the first 2 weeks. There is alot of training as well, both online and physical training. It is best to prepare for the interview by reading up on dsp guidelines for you city and state.
I applied through university. I interviewed at Hillcroft Services (Houston, TX) in Jan 2021
Interview
The people are welcoming and friendly. From the minute I walked in everything was very organized and straight forward. There was a several round interview process. The interviewing process was very effective along with efficient and provoked critical thinking.