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      MP Materials

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      Process Operator Interview

      Apr 29, 2026
      Anonymous employee
      Mountain Pass, CA
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 3 months. I interviewed at MP Materials (Mountain Pass, CA) in Sep 2024

      Interview

      Basic questions about team work and accountability. Requesting prior industrial or mechanical experience. Goes fairly extensively over past experience and relevant experience. Pretty straight forward overall. No different than anywhere else

      MP Materials interviews FAQs

      • Process Operator applicants have rated the interview process at MP Materials with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 42.1% positive. This is according to Glassdoor user ratings.
      • Candidates applying for Process Operator roles take an average of 90 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at MP Materials overall takes an average of 60 days.
      • Common stages of the interview process at MP Materials as a Process Operator according to 1 Glassdoor interviews include:

        Drug test:  20%

        Skills test:  20%

        One on one interview:  20%

        Background check:  20%

        Phone interview:  20%

      • Here are the most commonly searched roles for interview reports -

        1. Engineer(2) .


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      Jobs at MP Materials

      73 jobs in United States
      Specialist, Process Control
      Fort Worth, TX
      ·
      $53K - $78K /yr
      (Glassdoor est.)
      View job
      Specialist, Process Control
      Fort Worth, TX
      ·
      $53K - $78K /yr
      (Glassdoor est.)
      View job
      Specialist, Process Control
      Fort Worth, TX
      ·
      $53K - $78K /yr
      (Glassdoor est.)
      View job
      Specialist, Process Control
      Fort Worth, TX
      ·
      $53K - $78K /yr
      (Glassdoor est.)
      View job
      Solvent Extraction Superintendent
      Mountain Pass, CA
      ·
      $120K - $150K /yr
      (Employer provided)
      View job
      View all Process Operator Jobs