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      Helion Energy

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      Firmware Engineer Interview

      May 16, 2025
      Anonymous Interview Candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Helion Energy in May 2025

      Interview

      Recruiter screen -> HM interview -> technical interview with a couple engineers -> onsite with presentation. Only made it to HM interview and the dude really made it seem like he is only working there in hopes that the fusion energy if successful, will leave him rich. Rejection email said "nothing that you said in projects were impressive and that I didn't know how to navigate through problems as an engineer" This is a junior position too.. Very blunt rejection. But seems about right for a "startup" wanting to advance into probably an IPO stage.

      Interview questions [1]

      Question 1

      Talked about projects, what I did and how I work around deadlines.
      Answer question
      1

      Helion Energy interviews FAQs

      • Candidates applying for Firmware Engineer roles take an average of 14 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Helion Energy overall takes an average of 26 days.
      • Common stages of the interview process at Helion Energy as a Firmware Engineer according to 1 Glassdoor interviews include:

        Presentation:  50%

        Phone interview:  50%

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

        1. Fusion Technician(7) ;
        2. Mechanical Engineer(3) .


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      Jobs at Helion Energy

      43 jobs in United States
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