Lead Mechanical Designer, Turbomachinery

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.

As part of the Engineering organization, Power Conversion develops the technologies that efficiently transform reactor-generated heat into usable electrical power. The team focuses on maximizing system performance, reliability, and commercial viability. 

• →Lead group of 4-5 mechanical designers in the design of Valar’s first supercritical CO2 power cycle  
• →Own all aspects of bringing assigned components to test and to full scale production 
• →Develop detailed 3D CAD models, assemblies, and engineering drawings (SolidWorks, Creo, or NX), applying advanced GD&T and tolerance analysis. 
• →Select component materials that balance capability versus lead time and cost considerations 

• Master's degree in Mechanical or Aerospace Engineering 
• Experience with basic structural, thermal, and rotordynamic analysis 
• Experience with turbomachinery mechanical design 
• Experience in gas turbines, gearboxes, gas compressors, turbopumps, generators, or turboexpanders 
• Experience with supercritical C02 

Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.

We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.

Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).