# Propulsion Test Engineering Intern - Spring 2027

**Company:** [Hermeus](https://zerogtalent.com/defense-companies/hermeus)
**Location:** Jacksonville, FL
**Work mode:** On-site
**Seniority:** Intern
**Employment type:** Internship
**Salary:** USD 25–33/hr
**Category:** Aerospace Engineering
**Department:** Other
**Listed:** 2026-09-23

[View and apply on Zero G Talent](https://zerogtalent.com/defense-jobs/hermeus/propulsion-test-engineering-intern-spring-2027-d2651ecb-9aab-4d84-8e69-cbcf7cece28d)

## What you'll do

- Assist in designing, setting up, operating test stands
- Instrument test setups, monitor conditions, analyze data
- Refine test processes, enhance safety procedures
- Learn propulsion system testing fundamentals

## What you need

- Practical experience designing, building, testing vehicles
- Enrolled in STEM program (junior/senior or grad)
- Strong interest in propulsion systems and testing
- Strong understanding of engineering first principles
- GPA 3.0 or above

## Job description

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)

### 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.

### 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.

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](https://www.ecfr.gov/current/title-22/section-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.

  
#LI-JC3

## Other open roles at Hermeus

- [Senior IT Support Specialist](https://zerogtalent.com/defense-jobs/hermeus/senior-it-support-specialist-5e34852c-23f1-4413-a5de-70321c45ab90) — Los Angeles, CA
- [Art Director](https://zerogtalent.com/defense-jobs/hermeus/art-director-aa4ccb1e-6b38-44bb-ac7b-8e2829ac0dfa) — Los Angeles, CA
- [Workplace Operations Specialist](https://zerogtalent.com/defense-jobs/hermeus/workplace-operations-specialist-1ba7b5de-b140-4b49-ba7a-7e7ed713eba2) — Washington, DC
- [Mechanical Engineer](https://zerogtalent.com/defense-jobs/hermeus/mechanical-engineer-7e8c4dce-00a7-4492-a0e1-a950cf677e28) — Los Angeles, CA
- [Build Engineer](https://zerogtalent.com/defense-jobs/hermeus/build-engineer-9c529fa7-d59f-4ad3-9f38-bf9e35334a55) — Los Angeles, CA

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*Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*