The future of aerospace and defense starts here.

Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hypersonics to solid rocket motors, satellite maneuvering and launch. We design and deliver propulsion and defense systems that solve the most urgent and critical national security demands.

Ursa Major is currently seeking talented individuals for our Summer 2027 In-Space Propulsion Engineering Internship. As an intern on a small, fast-moving team, you will be challenged with supporting the dynamic environment of spacecraft propulsion design, development, manufacturing, test, and production. You will receive hands-on experience while helping solve difficult engineering problems. We thrive on giving ownership and authority, so you can expect to make decisions and make a difference!

This internship will be on the In-Space Propulsion team.

This position will be full-time.

Responsibilities:

Design, analysis, manufacturing, and test of spacecraft propulsion components including thrusters, tanks, valves, and fluid systems
Rapid-prototyping solutions to complex problems to achieve project goals within the internship
Collaboration across multiple disciplines within the company to drive success

Required Qualifications:

Background in mechanical, aerospace, or manufacturing engineering
Must be an academic Junior or above by May 2027 (experience with Fluids, Mechanics of Materials, rocket propulsion, and other advanced classes)
Excellent with first principle analysis with mechanical, thermal, and/or fluid-based scenarios
Hands-on build and/or test experience (design > build > test lifecycle of a project)
Demonstrated teamwork and ability to communicate effectively in a group setting
Drive to continuously improve technical and team skills
Experience with CAD software is preferred
A passion for space and spacecraft propulsion

Colorado law requires us to tell you the base compensation range of this role, which is $30.00/hour, determined by your education, experience, knowledge, skills, and abilities. What we can’t quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy.

Classification: Full-time Non-Exempt

Benefits Include: (Please note, Interns are not eligible for benefits)

Unlimited PTO - Vacation, Sick, Personal, and Bereavement
Paid Parental and Adoptive Leave
Medical, Dental and Vision Insurance
Tax Advantage Accounts (HSA/FSA)
Employer Paid Short and Long Term Disability, Basic Life, AD&D
Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
EAP Program
Retirement Savings Plan - 401k with Company Match

How To Apply:
Interested candidates are encouraged to apply by filling out the application below and clicking "Submit Application". This position will be posted for a minimum of 3 days and will remain open until filled or adjusted based on the volume of applicants.

NOTE: Research suggests that women and BIPOC individuals may self-select out of opportunities if they don't meet 100% of the job requirements. We encourage anyone who believes they have the skills and the drive necessary to succeed here to apply for this role.

Must be a U.S. Person (this includes U.S. Citizens and Permanent Residents).

Eligibility to obtain and maintain a U.S. Security Clearance.

We’re an equal-opportunity employer. You will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

No outside recruiters, please.

2027 Summer In-Space Propulsion Engineering Intern

Ready to apply?