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 a talented individual for our Summer 2027 Test Engineering Internship. As an intern on a small, fast-moving team, you will be challenged with supporting the dynamic environment of Test Engineering. 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 in the Test Operations Organization.
This position will be full-time.
Responsibilities:
- Perform rocket engine testing from the control room (console) and from the field
- Perform test stand and engine checkouts to verify proper functionality
- Ownership of several projects to design and fabricate fluid systems to support sub-component and/or engine level test objectives
- Operate and modify stand systems such as fluid systems, electrical systems, and supporting structures
- Develop methods to increase test cadence, test fidelity, and test stand capability without compromising operational safety
Required Qualifications:
- Background in mechanical, electrical, aerospace or similar engineering field.
- Must be an academic Junior and above by May 2027 (experience with Fluids, Mechanics of Materials, and other advanced classes)
- Excellent with first principle 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
Desired Qualifications
- 2+ years of experience with testing high pressure gas systems, cryogenic systems, fuel systems, and propulsion systems
- Working knowledge of liquid oxygen and kerosene rocket engines
- Experience with LabVIEW and National Instruments Hardware
- Experience with CAD software
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.
Skills Required
- Background in mechanical, electrical, aerospace, or a similar engineering field
- Must be an academic junior or above by May 2027
- Experience with fluids, mechanics of materials, and other advanced engineering classes
- Excellent first-principles analysis skills for mechanical and fluid-based scenarios
- Hands-on build and/or test experience using a design-build-test lifecycle
- Demonstrated teamwork and effective group communication
- Drive to continuously improve technical and team skills
- Two or more years of experience testing high-pressure gas, cryogenic, fuel, or propulsion systems
- Working knowledge of liquid oxygen and kerosene rocket engines
- Experience with LabVIEW and National Instruments hardware
- Experience with CAD software
- Must be a U.S. Person, including U.S. citizens and permanent residents
- Eligibility to obtain and maintain a U.S. security clearance
What the Team is Saying
Ursa Major Compensation & Benefits Highlights
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Leave & Time Off Breadth — Time off is broad, combining unlimited PTO with two company‑wide shutdown weeks in July and at year‑end that help ensure employees disconnect.
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Healthcare Strength — Core coverage appears comprehensive, with medical, dental, and vision plus HSA/FSA, employer‑paid disability, life, AD&D, and EAP; some listings also cite optional add‑ons such as pet insurance.
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Parental & Family Support — Paid parental and adoptive leave is highlighted across official and third‑party materials as a notable strength.
Ursa Major Insights
What We Do
Ursa Major was founded to address a critical shortfall in the U.S. industrial base and bring a new model to aerospace and defense systems: we design and manufacture the world’s leading propulsion systems for space, hypersonic applications, and missile systems. Our products and technologies require an extraordinary team – a team that will mold tomorrow’s technologies while deploying today’s best. We are an intrinsically motivated team that has a passion for solving problems and empowering each other every day to develop our skills, knowing that there is always room for growth.
Why Work With Us
We believe that each unique team member fuels the creativity necessary to build the world’s best propulsion systems. This is realized as a deeply held commitment to celebrating individuality, hiring talent across all backgrounds and experiences, building a culture of inclusion, and constantly challenging ourselves to improve.
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Ursa Major Offices
OnSite Workspace
Most employees work on-site with some positions allowing hybrid and/or remote work.
