Principal Engineer, Specialized Pump Applications (Space, Cryogenic & Extreme Environments)

We are looking for a Principal Engineer to extend our AxSTREAM software platform for space, cryogenic, and extreme\-environment applications. In this role, you will close key physics\-modeling gaps for these applications and apply that work to real pump design.

Why should you apply:

• Extend a real, established technical capability into space and extreme\-environment applications


• Work at the intersection of physics modeling, software, and hands\-on turbomachinery design


• Engage directly with clients already working on space and extreme\-environment pump applications

• Identify and close physics\-modeling gaps in AxSTREAM for space and extreme\-environment pump applications (cavitation in microgravity, cryogenic/non\-standard fluids, extreme temperatures, vacuum conditions)


• Apply improved modeling to real pump and component design — sizing, configuration trade\-offs, materials, manufacturability


• Assess and build out validation data through client relationships and public/academic sources


• Work with clients and the software team to shape the technical roadmap for this work


• Support technical proposals and client engagements as this work grows

• PhD in Mechanical/Aerospace Engineering, Fluid Dynamics, or related field, plus 5\+ years of relevant experience in CFD/turbomachinery modeling — or MS with 10\+ years of directly relevant hands\-on experience


• Hands\-on CFD and turbomachinery modeling experience, with the ability to validate or extend numerical models directly


• Real pump or turbomachinery design experience — not modeling alone


• Direct experience with cryogenic fluids, two\-phase flow, or other extreme\-condition fluid dynamics

• Direct experience with cryogenic turbopumps or liquid rocket propellant systems (LOX, LH2, methane, or similar)


• Experience with cryogenic systems in adjacent fields — fusion magnet cooling, cryogenic equipment design, high\-vacuum systems, LNG, hydrogen infrastructure, industrial gas, or semiconductor vacuum systems


• Peer\-reviewed publications, conference presentations (AIAA, ASME Turbo Expo), or patents


• Prior experience at a national lab, aerospace propulsion group, or fusion energy company

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