Summer 2026 Propulsion Engineering Intern, Draper

Join us for a hands-on, full-time summer internship experience at our Berthoud, CO location! 
Ursa Major’s Summer 2026 Internship Program offers students the opportunity to gain real-world experience in the aerospace and defense industry while contributing to meaningful, high-impact projects that support our mission and drive innovation in propulsion and advanced manufacturing. 

As a Propulsion Engineering Intern, you will work alongside the design team on one of our engine programs. You will learn and practice a range of skills in support of architecture trade studies, CAD model management, test data analysis, structural/fluid/thermal analysis, and engine cycle modeling to gain an integrated understanding of closed cycle, pump fed rocket engines. 

Job Expectations: 

• Learn fundamentals of engine design and test. 


• Learn and perform test data reviews and correlate data to the engine cycle model.  


• Perform component inspections alongside Responsible Engineers and assess engine-level interactions.  


• Desire to learn quickly and become a contributor to the success of the program.  

Required Skills:  

• 3D modeling experience.  


• Junior level exposure to fluid mechanics, thermodynamics, heat transfer, mechanics of materials, etc. 


• Knowledge of Python/MATLAB. 

Desired Skills:  

• Experience with Geometric Dimensioning and Tolerancing (GD&T) 


• Hands on experience taking an engineering project through the design, build, and test process. 


• Completion of an undergraduate or graduate level rocket propulsion course.  


• Experience with Siemens NX.  

Program Details: 

• Location: On-site at our Berthoud, CO facility 


• Duration: Approximately 10–12 weeks 


• Schedule: Full-time, Monday–Friday 


• This is a paid internship 

Colorado law requires us to tell you the base compensation range of this role, which is $29.00/hour, determined by your education, experience, knowledge, skills, and abilities. The salary range for this role is intentionally wide as we are evaluating individuals based on their unique experience and abilities to fit our needs. Most importantly, we are excited to meet you, and see if you are a great fit for our team. What we can’t quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy. Click here for more information about our awesome benefits.