Castelion
Senior Propellant Analyst
Torrance, CA +1 · Senior · Full-time · Posted Sep 14, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 5+ years; no alternatives stated.
- Education
- Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Chemical Engineering, or a related field.
- Visa sponsorship
- Employment is contingent on the candidate’s ability to access applicable export-controlled information without additional export licensing. Security clearance or other government authorization and citizenship or other eligibility requirements may apply if the position is designated for them.
About the job
Analyzes solid rocket motor propellant grains to support design, development, qualification, and performance predictions for hypersonic defense systems.
What you'll do
- Perform structural and stress analysis of propellant grains under mechanical, thermal, and pressure loads using analytical methods, finite element analysis, and propulsion software.
- Collaborate with motor design and manufacturing teams on grain geometry, propellant formulation, and case design.
- Support grain qualification, including aging studies, thermal cycling, and flight-readiness assessments.
What they ask for
- Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Chemical Engineering, or a related field.
- 5+ years of experience in propellant grain analysis, solid rocket motor design, or related propulsion disciplines.
- Strong understanding of propellant grain structural mechanics.
- Experience with finite element analysis tools (Abaqus, NASTRAN, ANSYS) for propellant grain stress analysis.
Nice to have
- Master's degree or PhD in Aerospace Engineering, Mechanical Engineering, or Chemical Engineering.
- Experience with solid rocket motor programs, propellant failure modes, viscoelastic modeling, DoD qualification standards, or testing and manufacturing.
Tools
Abaqus, NASTRAN, ANSYS, MIL-STD-1751, MSFC-SPEC-522
Model-written summary · the original posting is authoritative