Propulsion Test Engineering Intern - Spring/Summer/Fall 2027

Hermeus · Jacksonville, FL

Posted Sep 23, 2026 · intern

Pay range listed by Hermeus: USD 25–33 per hour

Est. total comp~$25–$33/hr

Apply on Hermeus's site ↗

From the posting

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 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.

Spring: Around 16 weeks (January - April)

Excerpt from Hermeus's public job board. Read the full posting.

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We could not pull clear requirements from the posting text we have. Check the full posting for the details.

Get ready for this role

Crew department: Processing

Skills this kind of role usually asks for:

Mass and energy balances
Process control
Materials testing
Thermal systems
Root-cause analysis

Related coursework: the Processing Track: Mineral Processing, Refining and Recycling. We study 4 core modules, take a quiz after each one and pass a final test to earn the Mars Mining Certificate in Processing Fundamentals. We can link its verification page from our resume. It records online learning, not professional licensing or work experience.

Join the crew and train for this role About Processing

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I can do Mass and energy balances on the job, or have used it in a class or project I can do Process control on the job, or have used it in a class or project I can do Materials testing on the job, or have used it in a class or project I can do Thermal systems on the job, or have used it in a class or project I can do Root-cause analysis on the job, or have used it in a class or project I have a project or work sample I could show an interviewer My resume is tailored to this kind of role I've practiced answering interview questions for this kind of job

Free. The department comes from the job title and can be off. A Mars Mining certificate shows you studied and passed our test; it isn't a license or academic credit.

About this listing. Pulled automatically from Hermeus's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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Propulsion Test Engineering Intern - Spring/Summer/Fall 2027

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