Aalo Atomics · 1 month ago
Senior Mechanical Engineer – Thermal/Structural Analysis
Idaho Falls, ID
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expAalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. The Senior Mechanical Engineer will lead advanced analyses for reactor systems, focusing on ensuring mechanical integrity and structural stability under various operating conditions.
EnergyManufacturingNuclear
Responsibilities
Lead detailed structural analysis and identify failure modes of reactor components and systems (stress, fatigue, creep, seismic, and coupled thermal- and fluid-structural behavior)
Develop and validate FEA and CFD models to support design, performance, and safety decisions
Conduct ASME Section III mechanical design and pressure-boundary analyses
Collaborate with design, manufacturing, and licensing teams to optimize designs for performance, safety, manufacturability, and cost
Support test plan development, data analysis, and design verification
Mentor junior engineers and contribute to developing internal analysis standards
Document and communicate analytical results for regulatory/licensing submissions and internal records
Support verification and validation (V&V) efforts in accordance with software quality
Qualification
Required
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
Preferred
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
Benefits
Competitive compensation package, including equity options.
Opportunities for professional growth and advancement in a rapidly scaling company.
Company
Aalo Atomics
Aalo Atomics manufactures and develops nuclear power plants for clean energy production.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$133.26MKey Investors
Fifty Years
2025-08-19Series B· $100M
2024-08-14Series A· $27M
2023-04-06Seed· $6.26M
Leadership Team
Yasir Arafat
Chief Technology Officer
Recent News
2025-12-09
2025-11-30
2025-11-18
Company data provided by crunchbase