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Propulsion Test Intern - Summer 2025

HermeusJacksonville, Florida, United StatesOnsite
Hermeus is an aerospace and defense technology company founded to radically accelerate air travel by delivering hypersonic aircraft. The company aims to develop hypersonic aircraft quickly and cost-effectively by integrating hardware-rich, iterative development with modern computing and autonomy. This approach has been validated through design, build, and test of the company’s first combined turbojet-ramjet engine and is now being scaled through its first flight vehicle program, Quarterhorse. Hermeus is also developing Darkhorse — an uncrewed hypersonic aircraft designed to deliver unique asymmetric capabilities to the warfighter.
At Hermeus, we are constantly iterating and integrating. We test early and often to minimize technical and program risk. We build the test campaigns that support our full range of test programs spanning development, operational and certification testing.As a Propulsion Test Engineering Intern, you will gain hands-on experience working with high-performance propulsion systems, supporting engine and system-level testing. You will work closely with engineers and technicians to set up test campaigns, monitor data, and troubleshoot issues, directly contributing to Hermeus’ hypersonic development efforts.Hermeus is seeking talented students to join our Propulsion Test team in Jacksonville for the Summer 2025 semester.

This is a full-time paid internship that will last around 12-16 weeks (May - August).

Responsibilities:


  • Work alongside experienced engineers to assist in designing, setting up, and operating test stands, learning the fundamentals of propulsion system testing.
  • Help instrument test setups, monitor test conditions, and analyze performance data to contribute to system improvements and troubleshooting efforts.
  • Partner with engineers and technicians to refine test processes, enhance safety procedures, and develop a deeper understanding of propulsion systems in a real-world testing environment.

Minimum 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 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.

$25 - $33 an hourThe salary information provided is a general guideline only. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer.

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 OPPORTUNITYHermeus 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.Apply for this job

Life at Hermeus

At Hermeus, we engineer and build hypersonic aircraft. In the long term, our vision is to shrink the world by connecting global cities on regional timescales. In the sense that the jet age was dial-up, our mission is to bring broadband human connectivity to the global community. We are searching for champions to join us on our journey to change the world.
Thrive Here & What We Value- Dynamic and innovative startup environment- Competitive compensation and benefits- Opportunity to work on cutting-edge technology- Passionate individuals working together- Hermeus's commitment to developing hypersonic aircraft quickly and cost-effectively through iterative development with modern computing and autonomy- Development of Darkhorse, an uncrewed hypersonic aircraft for unique asymmetric capabilities- Collaboration effectively with crossfunctional teams and external stakeholders- Commitment to delivering unique asymmetric capabilities through uncrewed hypersonic aircraft like Darkhorse- Lean team responsible for building a vehicle that will fly- Experience transitioning parts from the first article to production- Solid understanding of test methods, setups, and data acquisition systems
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