Summer 2026 Mechanical Engineer Intern -… at Sierra Space · Durham

Summary: Sierra Space is an industry-leading defense-tech space company focused on advancing space-based technology. The Mechanical Engineer Intern will assist in designing and testing mechanical components for spacecraft, gaining hands-on experience in mechanical design and development processes. Responsibilities: - Help design and test mechanical components used in spacecraft and aerospace systems - Work with engineers to develop CAD models, analyze mechanical performance, and support testing hardware using tools such as MATLAB - Contribute to product development activities including prototyping, thermal analysis, stress calculations, and material selection while documenting engineering results 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: - Mechanical Engineering - Electrical Engineering - Aerospace Engineering - Manufacturing Engineering Required Skills: Mechanical Engineering, CAD Modeling, MATLAB Important Skills: Thermal Analysis, Stress Calculations, Material Selection Nice-to-Have Skills: Organization Skills Internship Start Date: Start in 2026 Summer