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      Sterigenics

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      Plant Engineer Interview

      21 Oct 2025
      Anonymous interview candidate
      Vernon, CA
      Declined offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 3 weeks. I interviewed at Sterigenics (Vernon, CA)

      Interview

      HR screening call, followed by interview with hiring manager. After that, I had 3 more interviews with the engineering team including directors and the VP. One more interview with HR manager and a plant tour. All interviews were remote. After all of that, received an offer that was outside of the range that HR said they could pay during initial screening.

      Interview questions [1]

      Question 1

      Asked about experience with instrumentation and plant wide systems, including working principles and troubleshooting.
      Answer question

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