Skip to main content
Posted August 03, 2026

Propulsion Test Technician

Hermeus
Jacksonville, FL, US Full Time
24.75USD - 38.5USD per hour

Job Description

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 Technician, you will be responsible for the development, maintenance, and operation of propulsion system test hardware to ensure the reliability and performance of Hermeus aircraft engines. This position will collaborate in a cross functional working environment and contribute to the development of cutting-edge aerospace technologies.

Responsibilities:
  • Responsible for the development, maintenance, and operations of propulsion test hardware (including facilities and test rigs).
  • Participate in test operations, including configuration of high pressure, hazardous, fluid systems, connecting instrumentation, controlling hazardous areas, troubleshooting instrumentation and test hardware, and monitoring test video and data.
  • Build, test, modify, and inspect test articles.
  • Build, modify, and troubleshoot new or existing test equipment which ranges from fluid systems, mechanical assemblies, data and control systems, and instrumentation.
Requirements
  • High school diploma, associate degree, or equivalent certificate
  • Experience in hardware assembly, test, and/or facility/infrastructure build-out
  • Strong verbal and written communication skills and ability to read and provide feedback on technical documents
  • Experience working in a fast-paced environment
  • Willing to travel to support propulsion/flight test campaigns
  • Available to work overtime and weekends
  • Must be able to obtain and maintain a security clearance
  • Valid driver’s license and a clean driving record
Preferred Skills and Experience:
  • Experience in a startup development environment
  • Experience working in a flight/propulsion development program
  • A&P license is preferred, but not required
  • Hands-on experience integrating hardware (aerospace or other industry)
  • Knowledge/experience with AN (JIC) and Swagelok fluid connections
  • Experience with Fabricating and assembling pneumatic and fluid systems; including bending/flaring/assembling of stainless-steel tubing
  • Knowledge/experience working with electrical components and systems
  • Jet engine test cell experience
Tech 1- $24.75- $30.25
Tech 2 - $32.00 - $38.50

The salary range listed for this role is intended as a general guideline. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.

At Hermeus, compensation is only one part of our total rewards package. We offer competitive pay, equity, and a range of benefits designed to support our team.

Benefits:
  • Health & Wellness: 100% employer-paid healthcare and pet insurance
  • Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
  • Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
  • 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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Sign up for Job Alerts