Propulsion Engineer Intern - Fall 2026

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage. About The Role:  As a Propulsion Engineering Intern, you will support the design, development, and testing of propulsion components and systems. You will work closely with engineers, manufacturing teams, and vendors to help bring propulsion hardware from concept through testing.   Fall: Around 16 weeks (August - December) Responsibilities: • Support the design and development of propulsion components and systems from conceptual design through detailed mechanical design • Create and release engineering drawings and collaborate with manufacturing teams and external vendors to produce hardware • Assist in defining, configuring, and setting up propulsion test rigs • Support the execution and documentation of propulsion hardware testing and development activities Requirements: • Practical experience designing, building, and testing vehicles through internships, studies or projects. • Must be currently enrolled in a STEM program at an accredited college or university (undergraduate student in your third or fourth year of study, or enrolled in a Master's or Ph.D. program). • Strong interest in propulsion systems, design, and testing. • Strong understanding of engineering first principles. • Demonstrated ability to work within cross-functional teams. • Enthusiasm for aviation and Hermeus's mission. • Excellent written and verbal communication skills. • GPA of 3.0 or above. The hourly rate listed for this internship is intended as a general guideline. Final compensation will be determined based on degree level. Benefits: Time Off: Interns are eligible for 5 days of sick leave and unpaid time off. Office Perks: Weekly paid office lunches and fully stocked breakrooms.   U.S. EXPORT CONTROL COMPLIANCE STATUS  The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.    EQUAL OPPORTUNITY Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.