Glassdoor users rated their interview experience at Ameren as 100% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Manager and rated their interviews as the hardest, whereas interviews for Manager and roles were rated as the easiest.
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Phone screen with HR that was slated for 30 minutes but was only 15. Interviewer sent a calendar to choose the date for the call, but did not call on the first day I selected. Selected a date the following week and called 7 minutes later than the scheduled time. Overall, it was very run-of-the-mill corporate talk.
Interview questions [1]
Question 1
If there's any dealbreakers please let us know as soon as possible. Do you think you have anything that can come off as a dealbreaker?
Phone screen from an HR goober. Zero personality and follow through on communications he promised during the call. Asked very basic questions that could be gleaned from a resume so he could get to a compensation discussion prior to even understanding the full job picture.
I applied through an employee referral. I interviewed at Ameren (Saint Louis, MO) in Feb 2026
Interview
They rely heavily on the behavioral STAR method which is good if you have a lot of experience to draw from. Look for clear situation, task, action, and result answers.
Interview questions [1]
Question 1
Describe a time when you were particularly effective at achieving business results.