I applied through a recruiter. The process took 2 days. I interviewed at SPX Technologies (Elk Grove Village, IL) in Jul 2014
Interview
Interviewed typically by 3 different people: a team lead, the hiring manager, and the head of the software department. Typically get to know you through discussing work history and they want you to explain the technical details to make sure you were real hands on with your projects. They asked a few questions regarding how to solve different problems.
I applied in-person. The process took 3 days. I interviewed at SPX Technologies (Chicago, IL) in Jun 2015
Interview
First I filled a application form then Interview is done in person and general manager interviewed at high level of my background. Then Team lead interviewed me. It was not told how long the duration of interview of each person. Total interview time was about 90 minutes.
Interview questions [1]
Question 1
Job description had many items listed but they were looking for a person that is highly experience with I/O and state machine in C language programming.