In-Space Engineering

Summer 2026 Propulsion Engineering Intern, In-Space

Berthoud, CO

Apply Now

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.

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 an Propulsion Engineering intern on our small, fast-moving In-Space 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!

Key Responsibilities

· Design, analysis, manufacturing, and test of chemical propulsion components and systems for satellites

Required Qualifications

Background in mechanical, aerospace, or manufacturing engineering
Must be an academic Junior or above by May 2026 (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

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.  

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 - Traditional 401(k) and a Roth 401(k)
Equity Grants in the Company

How To Apply
Interested candidates are encouraged to apply by clicking the “Apply Now” link at the top of the page. Usra Major will be accepting applications on a rolling basis until the position is closed.

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.

US CITIZENSHIP, PERMANENT RESIDENCY, REFUGEE OR ASYLUM STATUS IS REQUIRED.

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.