Stress Engineer - Nonlinear Propellant Structures (FEA)

Arbeitnow; Zürich; On-site; CHF 110,000 - 160,000; Full time

Job summary

Destinus seeks a Stress Engineer to support structural sizing and simulation for solid rocket motor structures, with a focus on non-linear and thermomechanical analysis. You will model propellant grains, liner bonds, TPS, and propellant–linercasing interfaces using FEA and material characterization.

You will perform linear and non-linear analyses, validate FE results against test data, and prepare stress reports and margin-of-safety calculations.

Qualifications

• Master's degree required in Aerospace or Mechanical Engineering.
• 3–5 years of industry experience in stress analysis of aerospace or mechanical structures.
• Experience with FEA packages for linear and non-linear analysis.

Responsibilities

• Conduct stress analysis using both classical hand-calculation methods and FEA - linear and non-linear, static and dynamic.
• Simulate solid rocket motor structures: propellant grain stress and strain fields, bond integrity at interfaces, TPS thermomechanical response, and ignition/attachment loads.
• Perform non-linear simulations covering geometric non-linearity, material non-linearity, and contact mechanics.
• Perform thermomechanical analysis across metallic, composite, bonded, and polymer structures under thermal cycling and operational loads.
• Correlate FE predictions with experimental data and update models accordingly.
• Prepare stress reports, margin-of-safety calculations, and design justification documentation.

Skills

FEA experience

Non-linear material modelling

Thermomechanical analysis

Structural stress analysis

English proficiency

Education

Master's degree in Aerospace/Mechanical Engineering

Tools

NASTRAN

Abaqus

Optistruct/HyperWorks

Job description

Destinus seeks a Stress Engineer to support structural sizing and simulation for solid rocket motor structures, with a focus on non-linear and thermomechanical analysis. You will model propellant grains, liner bonds, TPS, and propellant–linercasing interfaces using FEA and material characterization.

You will perform linear and non-linear analyses, validate FE results against test data, and prepare stress reports and margin-of-safety calculations.