Build What's Next. Power What Matters.
At Fissionaire, we’re not here to follow the industry. We’re here to redefine it. Our team is building solutions that push boundaries, challenge norms, and move the world forward. If you want a place where curiosity is valued, accountability is expected, and big ideas actually get built — you’ll feel right at home.
Everything we do is about unlocking smarter, more sustainable ways to power the future. Your work won’t sit on a shelf — it will shape the world around you.
We hire people who want to master their craft. Whether you’re early in your career or a seasoned expert, you’ll get opportunities to stretch, lead, and evolve.
We believe in transparency, integrity, and treating people like adults. You’ll find a culture where feedback is honest, collaboration is expected, and support is real.
We move fast, rethink old problems, and give you the freedom to experiment. Progress beats perfection — every time.
We are growing — fast. Explore current openings at Fissionaire, and join the team building the future.
This is a senior-level position with significant technical leadership responsibilities in a cutting-edge advanced nuclear reactor project.
We’re looking for a Nuclear Engineer III to lead and contribute to the design, analysis, and optimization of our advanced nuclear reactor systems.
Fissionaire is building the next generation of nuclear technologies, and this role sits at the heart of turning engineering intent into precise, build-ready designs.
The Nuclear Engineer I/II will contribute to the design, analysis, and optimization of advanced nuclear reactor systems.
You’ll design scalable quality systems that meet stringent regulatory requirements while enabling innovation and speed across reactor development, manufacturing, and operations.
Great people don’t always fit neatly into job titles. Send us your resume — we’re always open to meeting exceptional talent.
