Senior Mechanical Design Engineer
Castelion CorporationTorrance, California, United States
Posted January 5, 2026
Full Time
About the Company
Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale.
Job Description
Castelion is seeking a high output Senior Mechanical Design Engineer with a full stack, Responsible Engineer mindset and experience shipping flight hardware. This person will be responsible for critical flight structures and mechanism design and build efforts for Castelion's hypersonic vehicles.
Requirements
- Design and Deliver Mission-Critical Hardware
- Drive High-Cadence Design Iteration
- Build and Maintain Engineering Rigor
Benefits
- Comprehensive medical, vision, and dental insurance
- Four weeks of paid time off per year
- Long-term stock incentives