Senior Mechanical Engineer – Thermal/Structural Analysis

Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to make nuclear energy globally accessible, starting with the Aalo-1, a 10 MWe reactor leveraging cutting-edge safety, modularity, and efficiency. Based in Austin, TX, we’re rapidly growing as we work to deploy the world’s first fleet of advanced microreactors. Join us and help revolutionize energy for a sustainable future.

We are seeking a Senior Engineer with expertise in Structural and Stress Analysis to join our dynamic team. This role involves performing mechanical analyses of reactor components, ensuring structural integrity under various operating conditions, and contributing to the design of our innovative reactor systems.

• →The Senior Mechanical Engineer – Thermal/Structural Analysis will lead advanced analyses for reactor systems, focusing on FEA, CFD, and ASME Section III compliance. 
  This role ensures mechanical integrity, structural stability, adequate performance, and design safety across key reactor components. 

• →B.S. or M.S. in Mechanical, Structural, or Nuclear Engineering. 

• →10+ years experience in structural and thermal analysis of complex systems (nuclear, aerospace, or similar). 

• →Expertise with FEA tools (ANSYS, Nastran, Abaqus 

• →Strong knowledge of ASME Section III and related nuclear design codes. 

• →Understanding of materials behavior in high-temperature and radiation environments. 

• →Proven communication and leadership skills; experience mentoring other engineers. 

• Experience with sodium-cooled or advanced reactor systems. 

• Familiarity with CFD tools (Fluent, STAR-CCM+, etc.) 

• Familiarity with NRC licensing processes and QA/QC standards. 

• Background in modular manufacturing or pressure-boundary component design. 

• Proficiency with Siemens NX / Simcenter 3D or similar integrated modeling environments.