I applied through an employee referral. I interviewed at Federal Signal (Oak Brook, IL)
Interview
Had initial interview/screening with HR. Lead to a second interview with the hiring manager. Followed another interview with someone who was in the position I was being interviewed with then lastly was an all day interview with employees from all different departments of the company.
Interview questions [1]
Question 1
A couple STAR questions. Also, because I had experience for the position, there weren't any technical questions. I was considered over qualified.