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      Firefly Aerospace

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      Fluids Engineer I Interview

      22 Feb 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I interviewed at Firefly Aerospace

      Interview

      first call with rectruiter to see background and skills. I was then on call then with an engineer who asked me technical questions. the recruiter told me he'd set me up with another interview and he ghosted me.

      Interview questions [1]

      Question 1

      What is a steam chart?
      Answer question

      Other Fluids Engineer I interview reviews for Firefly Aerospace

      Fluids Engineer Interview

      26 June 2026
      Anonymous employee
      Austin, TX
      Accepted offer
      Positive experience
      Easy interview

      Application

      I interviewed at Firefly Aerospace (Austin, TX)

      Interview

      Great interview process, had a panel and was asked technical questions, had a good amount of time to ask my questions. Had to give an hour long presentation and answer questions for 45 minutes. Then I got 15 minutes to ask anything I wanted

      Interview questions [1]

      Question 1

      Various fluids technical questions about system design and component sizing
      Answer question

      Fluids Engineer I Interview

      14 Jan 2026
      Anonymous interview candidate
      Cedar Park, TX
      No offer
      Positive experience
      Difficult interview

      Application

      I interviewed at Firefly Aerospace (Cedar Park, TX)

      Interview

      The first interview was with the recruiter, she went over my experience and we talked about how it was related to the job. We talked logistics of the role. We then went into technical questions, she gave me scenarios and asked what I would do and how I would fix issues. Never worked on what we spoke about so I couldn't answer to the best of my ability. Overall great experience, helped me out and cleared some things.

      Interview questions [1]

      Question 1

      Describe a ventauri tube to a first grade child.
      Answer question