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Forge Atomics

Factory-built water-cooled nuclear reactors

Mechanical Engineer - Fluids

Thermal & Fluids EngineeringUpdated on Nov 13
Full-timeEl Segundo, CA, USA$115k - $150k /yr

About the Job

Requirements

  • Bachelor's degree in mechanical engineering or a related technical discipline.
  • At least 1 year of engineering experience designing, analyzing, and building mechanical hardware; internship and school project team experience qualify.

Responsibilities

  • Design, build, and deploy fluid systems to support reactor build and test schedules.
  • Perform detailed fluids analysis to characterize and troubleshoot expected design performance.
  • Work closely with the in-house build shop to develop and own the scaling of the manufacturing line for the system.
  • Support reactor test campaigns and operations with troubleshooting and technical support.
  • Develop and maintain detailed timelines to capture and communicate project progress.
  • Make timely, well-reasoned engineering decisions and use build and test feedback to improve both product and process.

Desired Qualifications

  • Strong communication and collaboration skills across engineering disciplines.
  • Experience leading or working on an engineering competition team such as Formula SAE, Baja SAE, Solar Car, Rocketry, CubeSat, or similar.
  • Ability to perform trade studies and make clear recommendations using first principles and engineering fundamentals, even with partial information.
  • Experience in a fast-paced hardware development environment with tight schedule and budget constraints.
  • Hands-on experience with fluid, gas, or thermal systems.
  • Experience using test instrumentation and control components such as pressure transducers, thermocouples, resistance temperature detectors, relays, and solenoid valves.
  • Experience designing highly integrated and complex fluid systems in high-reliability environments.

About the Company

Forge Atomics

Factory-built water-cooled nuclear reactors

Forge Atomics designs and builds factory-built, water-cooled nuclear fission reactors to provide reliable, carbon-free baseload power. Its core product is the Ember 25 MWe reactor, with a subscale Ember Mini prototype planned before moving to full-scale deployment. The reactors are manufactured in a factory setting, using proven water-cooled reactor technology with decades of operating experience, and then shipped as modules to site where they are installed, commissioned, and operated. The company aims to lower costs and speed deployment by using mature supply chains and a mass-production approach instead of on-site, bespoke construction. Its safety approach relies on passive safety features designed to make accidents physically unlikely. The ultimate goal is to offer safe, scalable nuclear power that complements or replaces intermittent renewables, improving energy security and reducing environmental impact.

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