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 Youngstown, OH 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 the Additive Manufacturing Engineering Intern, you will support laser powder bed fusion part development and production at Ursa Major. You will learn and apply metal 3D printing knowledge by supporting the daily team operations by preparing build files, operating LPBF machines, supplementary equipment and post processing builds. The AM Intern will apply learnings from the everyday process to the design, modeling, and printing new support/modeling strategies and contribute to a comprehensive design guideline and geometry library.

Responsibilities: 

Support LPBF component manufacturing at Ursa Major 
Develop guidelines for more standardized support structure and general modeling strategies 
Create a library of standard witness and mechanical specimen geometries  
Work alongside the additive technicians to operate LPBF machines and post process builds 
Additive manufacturing build file setup and programming

Required Qualifications: 

Pursuing Bachelor’s or Master’s degree in Materials, Mechanical, or Aerospace Engineering 
Hands on design and operation in any category of 3D printing  
3D CAD experience

Desired Experience 

Experience with metal additive manufacturing in the aerospace and/or defense industry 
Experience preparing build files and operating laser powder bed fusion machines 
Experience with Siemens NX

Program Details:

Location: On-site at our Youngstown, OH facility
Duration: Approximately 10–12 weeks
Schedule: Full-time, Monday–Friday
This is a paid internship

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
Equity Grants in the Company

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.

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

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.

Summer 2026 Additive Manufacturing Engineer Intern

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