Summer 2026 Propulsion Engineer Intern -… at Sierra Space · Madison

Summary: Sierra Space is an industry-leading defense-tech space company focused on building missions and systems that ensure security in space. They are seeking a Summer 2026 Propulsion Engineer Intern who will assist in the design, analysis, and testing of propulsion systems for aerospace applications, providing hands-on exposure to propulsion technologies. Responsibilities: - Help design and evaluate propulsion technologies that power spacecraft and rocket systems - Assist in the design, analysis, and testing of propulsion systems while working alongside experienced engineers potentially on projects that involve thrust generation and efficiency optimization - Support computational modeling, component testing, and performance evaluations to better understand propellant behavior, combustion dynamics, and overall system performance tools Required Qualifications: - Actively enrolled in an undergraduate degree program - Expected graduation date between December 2026-June 2027 - Passion for solving problems by leveraging data and technology - Excellent written and verbal communication - Ability to work in a highly collaborative team environment - Strong organization skills, detail oriented, and self-initiative - The ability to obtain and maintain a U.S. Security Clearance is required - To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce Preferred Qualifications: - Aerospace Engineering - Mechanical Engineering - Electrical Engineering - Materials Engineering - Chemical Engineering - Physics Required Skills: Propulsion systems design, Computational modeling Important Skills: Aerospace Engineering, Mechanical Engineering Nice-to-Have Skills: Self-initiative, organization skills Internship Start Date: Start in 2026 Summer Benefits: Medical, dental, and vision plans, 401(k) with 150% match up to 6%, Life insurance, 3 weeks paid time off, And more