Senior Mechanical Engineer

Austin, TX

Full Time

Posted November 7, 2023

$123k - $175k· Est.

This role may have expired

Application opens on company website

Last Energy is a pioneering US technology company deploying next-generation modular nuclear power plants.

Lead design and execution of critical mechanical systems and components that enable scalable, manufacturable nuclear power plants
Collaborate daily with the CEO and executive team on the company’s most urgent engineering priorities—your technical insights will directly inform product strategy and deployment timelines
Drive concept development, detailed CAD modeling, and rapid prototyping of novel industrial systems
Perform structural, thermal, and fluid analyses using advanced simulation tools (FEA, CFD) to validate and optimize designs
Design and analyze complex mechanical assemblies
Integrate mechanical, electrical, and control systems into cohesive plant-level solutions
Oversee prototype fabrication, assembly, and testing , both in-house and with external partners
Develop fixtures, tooling, and manufacturing aids to streamline build and test operations
Continuously optimize designs for manufacturability and deployment speed , balancing performance with cost and scalability
Operate autonomously, driving projects from concept to reality in a startup culture that values speed, ingenuity, and accountability

Bachelor’s degree in Mechanical Engineering or a related field (advanced degree a plus)
4+ years of hands-on mechanical design and analysis experience in high-growth, high-urgency environments (startup or advanced manufacturing preferred)
Deep proficiency with CAD tools (SolidWorks, AutoCAD, or equivalent)
Demonstrated expertise in FEA and CFD using software such as ANSYS, LS-DYNA, Nastran, or similar.
Strong foundation in materials science, stress analysis, and thermal/fluid systems
Proven ability to turn concepts into tested prototypes quickly , with minimal oversight
Exceptional communication and collaboration skills , especially when interfacing with executives and cross-functional teams
A bias toward action , creative problem solving, and the drive to own complex problems end-to-end