SECTION I · THE BRIEF
Brief #55504Updated 08 JUL 2026JACKSONVILLE, FLLeverFOUNDERS FUND
Employbl Company Profile

Propulsion Test Technician

Hermeus Corporation is an American startup company designing a Hypersonic airliner.

Location
Jacksonville, FL
Company size
10–500
Posted
2d ago
Via
Lever
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Propulsion Test Technician - Hermeus

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Job Title
Propulsion Test Technician
Job Location
Jacksonville, FL
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
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    Hermeus Headquarters Location

    Atlanta, GA

    View company profile

    Hermeus Company Size

    Between 10 - 500 employees

    Hermeus Founded Year

    2018

    Hermeus Total Amount Raised

    $215,955,104

    Hermeus Funding Rounds

    View funding details
    • Debt Financing

      $150M

    • Series C

      $200M

    • Series B

      $40M

    • Series B

      $40M

    • Series B

      $100M

    • Series B

      $100M

    • Grant

      $60M

    • Grant

      $60M

    • Series A

      $16M

    • Series A

      $16M