Process Operator applicants have rated the interview process at Marathon Petroleum with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 67% positive. To compare, the company-average is 69.7% positive. This is according to Glassdoor user ratings.
Candidates applying for Process Operator roles take an average of 75 days to get hired, when considering 3 user submitted interviews for this role. To compare, the hiring process at Marathon Petroleum overall takes an average of 25 days.
Common stages of the interview process at Marathon Petroleum as a Process Operator according to 3 Glassdoor interviews include:
Group panel interview: 20%
Skills test: 20%
Drug test: 13%
Personality test: 13%
Background check: 7%
IQ intelligence test: 7%
Phone interview: 7%
One on one interview: 7%
Presentation: 7%
Here are the most commonly searched roles for interview reports -
I applied online. The process took 4 months. I interviewed at Marathon Petroleum (Texas City, TX) in Mar 2025
Interview
Started with a "work demo" which wasn't difficult but I have never seen somthing like that before. Second I did a group work demo with 3 other candidates. Lastly was the more traditional interview there were 7 people and it was very straightforward with their questions.
I applied online. The process took 4 weeks. I interviewed at Marathon Petroleum (Tehachapi, CA) in Mar 2021
Interview
It was way shorter than described, job specific questions, pretty straight forward. I would recommend applying and doing your research on the job so you can well answer any questions they have.
I applied online. I interviewed at Marathon Petroleum (Freeport, TX) in Sep 2015
Interview
Pre employment test included math, reading, mechanical reasoning, gauge reading and gauge reading. Marathon test included a VERBAL retention exercise. Person spoke from podium. Tested on what you remembered. Another aspect of the test was a pipe following exercise which tested depth perception. E.g. which pipe covers which pipe.