Propulsion Test Technician — Hands-on Aerospace Prototyping

Hermeus; Jacksonville (FL); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Health care benefits

401k & retirement plans

Weekly office lunches

Stock options

Paid parental leave

Flexible PTO

12 federal holidays off

Job summary

Hermeus is a venture‑backed defense aviation company advancing rapid prototyping to deliver the fastest aircraft in the world. As a Propulsion Test Technician, you will develop, maintain, and operate propulsion test hardware to ensure engine reliability and performance for Hermeus aircraft.

This role collaborates in a cross‑functional team, supporting test campaigns, configuring high‑pressure systems, troubleshooting instrumentation, and building test articles.

Qualifications

• High school diploma or associate degree required.
• Experience in hardware assembly, test, or facility/build-out.
• Ability to travel and work overtime/weekends.
• Must be able to obtain and maintain a security clearance.
• Strong written and verbal communication, able to read technical documents.

Responsibilities

• Develop, maintain, and operate propulsion test hardware (including facilities and test rigs).
• Configure high‑pressure, hazardous, fluid systems, connect instrumentation, monitor test video and data.
• Build, test, modify, and inspect test articles.
• Build, modify, and troubleshoot new or existing test equipment (fluid systems, mechanical assemblies, data and control systems, instrumentation).

Skills

Hardware assembly

Test operations

Strong communication

Reading technical docs

Education

High school diploma

Associate degree

Tools

AN (JIC) connections

Swagelok fluid fittings

Electrical systems knowledge

Job description

Hermeus is a venture‑backed defense aviation company advancing rapid prototyping to deliver the fastest aircraft in the world. As a Propulsion Test Technician, you will develop, maintain, and operate propulsion test hardware to ensure engine reliability and performance for Hermeus aircraft.

This role collaborates in a cross‑functional team, supporting test campaigns, configuring high‑pressure systems, troubleshooting instrumentation, and building test articles.