Senior Stress Engineer
$133,500–$184,800 year
On-siteEl Segundo, California, United States
Job Summary
Develop and own static, dynamic, and transient loads for reactor systems, support structures, and transport configurations. Perform structural dynamics analyses including modal, random vibration, shock, sine vibration, and fatigue assessments. Implement explicit dynamics simulations to model nonlinear reactor response under transient seismic and transportation event cases. Define transportation and handling environments, conduct finite element analyses using ANSYS or Abaqus, and collaborate with design engineers to influence hardware architecture and material selection. Support test planning and correlation for shaker tests and modal surveys while developing analysis documentation for internal reviews and regulatory interfaces. Contribute to failure investigations and help establish best practices for loads and structural verification within the growing engineering organization.
Required Qualifications
- Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Structural Engineering, or a related field
- 4+ years of professional experience in stress, loads, dynamics, or structural analysis for complex mechanical systems
- Strong fundamentals in structural mechanics, dynamics, and vibration
- Experience with finite element modeling and analysis of metallic and composite structures
- Proficiency with industry-standard FEA tools (e.g., ANSYS, Abaqus, Nastran)
- Familiarity with design allowables, safety factors, and margin-of-safety methodologies
- Ability to work cross-functionally and communicate analysis results clearly to both technical and non-technical stakeholders
- Must be willing to work extended hours and weekends as necessary to accomplish our mission
- Must work 100% onsite at El Segundo HQ
- Must be able to serve in compliance with U.S. export controls
Desired Qualifications
- Experience in aerospace, launch, defense, nuclear, or heavy industrial hardware environments
- Dynamics modeling software experience (LD-Dyna, Abaqus explicit, or other)
- Background in shock and vibration testing and test-article correlation
- Knowledge of fatigue, fracture mechanics, and bolted joint analysis
- Experience defining or interpreting environmental specifications and requirements
- Master's degree or PhD in a relevant engineering discipline
- Familiarity with nuclear, spaceflight, or safety-critical system requirements
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