

Millennium Space Systems Summer 2026 Internship Program – Propulsion Engineering
Location
El Segundo, CA
Level
Internship
Department
Aerospace & Space
Type
Salary
$44,000 - $73,000
Job Description
Posted on:
2026-03-06
Responsibilities
- Generate hardware 3D models and drawings.
- Conduct propulsion performance analysis.
- Complete hand calculations and tolerance analysis.
- Support testing and analysis for current and upcoming builds.
- Own the 3D modeling of propulsion parts.
- Perform first-order analysis of fluid systems and thruster performance.
- Supervise relevant testing or issue resolutions.
Job Requirements
- Major in Mechanical or Aerospace Engineering.
- Experience with 3D CAD/Modeling, statics, and mechanics of materials.
- Knowledge of GD&T and prototyping.
- Strong academic performance (preferred GPA of 3.0 or above).
- Exceptional organizational and collaboration skills.
- Strong technical experience through projects, research, or internships.
- Junior or Senior class standing preferred.



