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      Commonwealth Fusion Systems

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      Commonwealth Fusion Systems Reviews

      4.2

      76% would recommend to a friend

      (81 total reviews)

      78% positive business outlook

      Ratings by category

      4.2

      Diversity and inclusion

      4.2

      Career opportunities

      4.1

      Compensation and benefits

      4.0

      Culture and values

      3.7

      Work/Life balance

      3.7

      Senior management

      Commonwealth Fusion Systems has an employee rating of 4.2 out of 5 stars, based on 81 company reviews on Glassdoor which indicates that most employees have an excellent working experience there.

      Reviews by job title

      81 reviews
      5.0
      28 Apr 2026

      Challenging work with a supportive, humble team

      Director
      Recommend
      CEO approval
      Business outlook

      Pros

      Really good group of people working on some very challenging problems. I high level of humility considering the pedigree of the talent, very low-ego environment. Great opportunity to make an impact and get a start in an emerging industry with tremendous growth potential. The company is well led and has successfully raised capital to support the work. I've learned more here in the past few years than anywhere in my career.

      Cons

      It's not easy. The work is hard. There is always more to learn. It takes being comfortable with not knowing things and often not having time to do everything to the level you might like.

      Viewing 1 - 3 of 81 Reviews
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      ReviewsCommonwealth Fusion Systems reviews

      Glassdoor has 99 Commonwealth Fusion Systems reviews submitted anonymously by Commonwealth Fusion Systems employees. Read employee reviews and ratings on Glassdoor to decide if Commonwealth Fusion Systems is right for you.