Castelion · 5 hours ago
Senior Structural Analysis Engineer
Torrance, CA
Full-time
Onsite
Senior Level
$120K/yr - $185K/yrCastelion is bringing a new approach to defense development and production, focusing on iterative design cycles and modern manufacturing strategies. They are seeking a Senior Structural Analysis Engineer to design and validate hypersonic defense systems, working closely with design and test teams to ensure rapid development and integration of hardware.
AerospaceGovernmentManufacturingMilitaryNational Security
No H1B
U.S. Citizen OnlyHiring Manager
Nicholas Sparks
Responsibilities
Build global structural models to evaluate vehicle performance and to provide subsystem loads inputs
Perform complex, non-linear structural analyses
Create system level dynamics models to support platform integration
Develop analysis workflows and methods to accelerate vehicle development
Define analysis best practices and mentor junior engineers
Qualification
Required
Bachelor's degree in Aerospace Engineering, Mechanical Engineering, or a related field
Strong understanding of structural analysis, structural dynamics, and aerospace materials
Experience with FEA tools such as Abaqus, NASTRAN, or similar solvers
Comfortable working in ambiguous, rapidly evolving technical environments
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State
Preferred
Master's degree in Aerospace or Mechanical Engineering
Experience with launch vehicles, spacecraft, aircraft, UAVs, or propulsion systems
Knowledge of fatigue, fracture mechanics, buckling, or thermal-structural analysis
Familiarity with aerospace standards and certification processes (e.g., FAA, NASA, MIL)
Scripting or programming experience (Python, MATLAB) to automate analysis workflows
Experience supporting hardware testing or flight operations
Benefits
Long-term stock incentives
Comprehensive medical, vision, and dental insurance
Four weeks of paid time off per year
Company
Castelion
Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.
Founded in 2022
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$469.61MKey Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M
Leadership Team
Bryon Hargis
Founder // CEO
Andrew Kreitz
Co-Founder and CFO
Recent News
2026-01-19
Tech Startups - Tech News, Tech Trends & Startup Funding
2025-12-09
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