The first round was a phone interview with one of their representatives, focusing mostly on behavioral questions.
The second round was an onsite interview with two other IE's, featuring more technical questions. The last question required math and reasoning, and they left the room to allow you to solve it.
The third round was another phone interview with two more IE's of varying experience, again focusing on behavioral questions.
Suppose we are running a call center and we want to minimize wait time but not overstaff.
With X calls per year, how many phone operators should we hire?
The following metrics were computed from 3 interview experiences for the American Express Industrial Engineer role in Phoenix, Arizona.
American Express's interview process for their Industrial Engineer roles in Phoenix, Arizona is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for American Express's Industrial Engineer interview process in Phoenix, Arizona.