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Hermeus

Develops hypersonic defense aircraft and engines

Propulsion Test Engineer Intern

PropulsionConfirmed live in the last 24 hours
Internship · Year-roundJacksonville, FL, USA$25 - $33 /hrIn-person

About the Job

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 as an undergraduate student in the 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.
  • Ability to work within cross-functional teams.
  • Excellent written and verbal communication skills.
  • GPA of 3.0 or above.

Responsibilities

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

About the Company

Hermeus

Develops hypersonic defense aircraft and engines

Hermeus designs and builds high-Mach and hypersonic aircraft for defense, using uncrewed test platforms and a reusable propulsion system. Its core approach centers on the Quarterhorse testbed and the Chimera engine, a turbine-based combined cycle that starts in a turbojet mode for runway takeoff and transitions to a ramjet for speeds above Mach 5. The company differentiates itself with rapid, hardware-focused prototyping drawn from a spaceflight background and a clear path to production through government contracts with the DoD, DIU, and ABMS programs. Its near-term goal is to mature Quarterhorse and Darkhorse into production-capable systems for defense missions, while its long-term vision includes Halcyon, a 20-seat commercial airliner flying transatlantic routes in about 90 minutes.

Company size
201-500
Company stage
Debt Financing
Total funding
$566M
Headquarters
Atlanta, GA
Founded
2018

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