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Company Summary

Company Overviews

At Deep Fission, we're reimagining nuclear power with a bold new approach: placing small modular reactors (SMRs) a mile underground for cheaper, faster, and more scalable deployment. Our mission is to power humanity from a mile underground. We want to leave the world a better place than we found it.

Rating Reviews

Rating is calculated based on 2 reviews and is evolving.

Featured Reviews

Project Manager
4.0
3 June 2026
Great Place for Project Managers in Tech!
Pros: I've really appreciated the collaborative and innovative company culture at Deep Fission. As a Project Manager, I work with incredibly talented and supportive engineering and product teams. There's a strong sense of camaraderie and everyone's willing to help out, which is huge for project success in the software development industry. Leadership generally encourages open communication and provides opportunities for continuous learning, which has been great for my career growth. The work
Cons: While the company culture is great, sometimes during peak project releases, the workload can become quite demanding, leading to some busy periods. Communication across very specific, larger cross-functional initiatives could sometimes be a bit more streamlined to avoid minor redundancies. Also, while career growth is encouraged, the formal progression paths aren't always crystal clear, which could benefit from more transparency for Project Managers looking to advance.
Advice to Management: Continue to invest in tools and processes that streamline cross-departmental communication, especially during intense project cycles. Clearly define career progression frameworks for Project Managers to help with long-term retention and motivation.
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Senior Research Scientist
3.9
31 August 2026
Solid R&D role with good growth, but watch your hours
Pros: The culture here really encourages learning and innovation. I've had great opportunities to work on cutting-edge projects in materials science, and the collaboration with colleagues is top-notch. Management is generally supportive of new ideas and professional growth, making it a good place for technical advancement.
Cons: While there's flexibility, the intensity of project deadlines can sometimes lead to extended work hours, which strains work-life balance. Communication around shifting priorities could be clearer to help manage workload expectations more effectively. It’s a demanding field, but support structures could be enhanced.
Advice to Management: Focus on improving project planning to better distribute workload and prevent burnout. Enhancing communication channels for priority changes would also greatly assist employees in managing their time and maintaining a healthier work-life balance.
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