Subcritical Systems

Accelerator-driven subcritical fission for safe, clean power. Founded by national lab scientists & serial entrepreneurs.

Austin, TX | Subcritical Systems Inc.

[Subcritical Systems @subcritical_sys]

Subcritical Systems is hiring!

Engineering, facilities, operations. We're growing across the board.

See all our open opportunities here: https://t.co/jVxwydnbYd

[Subcritical Systems @subcritical_sys]

Last week our CEO Fred and Lead SRF Scientist Joe took a trip to Cambridge to learn more about the local vacuum electron beam welders at @CamVacEng! Thank you to the EB Flow team for showing us around!

[Subcritical Systems @subcritical_sys]

We’re hiring a Balance of Plant Engineer

Steam, turbines. You own it.

Conventional power background required. Nuclear expertise is welcomed.
Apply here:https://t.co/4DZZidn9af

[Subcritical Systems @subcritical_sys]

Job Highlight : Motion Control Engineer

Ultra-high vacuum. Cryogenics. Radiation environments. Own it from design to commissioning.

Apply here: https://t.co/HJ2IHSxeWD

RT if you know someone who'd be into this!

[Subcritical Systems @subcritical_sys]

We're hiring a Manufacturing Facilities Manager!

If you've operated and managed complex technical facilities, we want to hear from you.

Apply here: https://t.co/KTdNyJMeqb

See all open positions at: https://t.co/3qUoF2yOe8

[Subcritical Systems @subcritical_sys]

Exciting things are happening at Subcritical Systems, and we're growing our team to match.

If you're passionate about pushing boundaries and want to be part of something meaningful, we'd love to hear from you.

Check out our open roles and apply today at https://t.co/3qUoF2yOe8!

[Subcritical Systems @subcritical_sys]

Thanks for the shoutout @skdh! We have an ambitious team of scientists & engineers deploying 300MW of clean power in 2028. Proton accelerators aren't small or cheap, but we're all in. Big things are coming. Stay tuned!
https://t.co/hMxO6fxhPl

[Subcritical Systems @subcritical_sys]

@SubcriticalSystems is hiring a Mechanical Engineer to help build particle accelerators

NX · GD&T · FEA · real fabrication experience

Know someone? Tag them or apply here https://t.co/GDKkFrlJeL

More roles at https://t.co/1d3eMMQntz

[Subcritical Systems @subcritical_sys]

We're hiring an Engineer in Residence to build AI tooling at the heart of an accelerator-driven fission machine.

CAD automation. AI agent pipelines. Real engineering problems.

If you've built something real and want to build something that matters apply https://t.co/lDWQvTFNPP

[Subcritical Systems @subcritical_sys]

-271°C that's how cold our machine runs

We're hiring the engineer who makes that possible

Accelerator-driven fission, a small team building something new

If cryogenics is your thing apply: https://t.co/sCU37DMrGP

Visit our site to find more open jobs: https://t.co/3qUoF2yOe8

[Subcritical Systems @subcritical_sys]

We're hiring Mechanical Design Engineers and Mechanical Engineers in Austin, TX.
First-of-a-kind clean energy technology. Real engineering challenges.
Apply here: https://t.co/jVxwydnbYd
#Hiring #MechanicalEngineering #Austin

[Subcritical Systems @subcritical_sys]

Excited to highlight our Sr Nuclear Engineer Jordan Crowell!

Jordan brings deep expertise in core design and fuel development, with experience at Blykalla in Sweden and @xenergynuclear Xe-100 program. Jordan holds an MASc in Nuclear Engineering from @ontariotech_u

[Subcritical Systems @subcritical_sys]

Introducing our SVP of Nuclear, Dr. Eric Pitcher. With leadership roles at @LosAlamosNatLab and the @essneutron, 100+ publications, and a PhD from @UMich, Eric brings world-class expertise in spallation neutron sources and nuclear design to @subcritical_sys

[Subcritical Systems @subcritical_sys]

We're building an accelerator-driven nuclear fission system and we're growing the team to do it! See open roles at https://t.co/Plm2CLIyy0 ⚛️