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.
As a Design Engineering intern on a small, fast-moving team, you will support mechanical design, development, manufacturing, test, and production of rocket motor cases and nozzles. You will develop a rich understanding of rocket motor hardware and operation, while gaining hands-on experience solving difficult engineering problems. You will be given ownership and authority, so you can expect to make decisions and make a difference. The most successful candidates will demonstrate a strong work ethic, self-starting attitude, and thrive in a collaborative team environment. This full-time internship will be based out of our Berthod, CO location.
Responsibilities
- 3D modeling & design of inert motor components, tooling, and development hardware
- 2D drafting and geometric tolerancing per ASME Y14.5
- Documenting designs and conducting design reviews
- Performing hand calcs and structural analysis via FEA
- Assembly of inert rocket motor components
- Static fire test support
Requirements
- Background in mechanical, electrical, aerospace, or manufacturing engineering
- Must be an academic senior or above by May 2027 (experience with fluids, mechanics of materials, and other advanced classes)
- Excellent with first principal analysis with mechanical 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
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 $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.
Similar Jobs at Ursa Major
What you need to know about the Los Angeles Tech Scene
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering

