Propulsion Specialist →

Grex Defense, Inc.; Huntsville, Northern (AL, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Grex Defense, Inc. is seeking a propulsion systems engineer to lead propulsion design, integration, and testing for air vehicles in a hands-on role.

You will conduct trade studies, optimize performance, packaging, and producibility, and work on fielded propulsion on real air vehicles. U.S. person status is required; security clearance is a plus.

Qualifications

• Experience designing propulsion for aircraft or UAS.
• Experience with integration, testing, and performance analysis.
• Hands-on engineer with fielded propulsion on real air vehicles.
• U.S. person status required under ITAR/EAR; ability to obtain security clearance.

Responsibilities

• Lead propulsion system design and integration from trade studies to flight tests.
• Balance performance, packaging, and producibility.
• Work in a small team on real air vehicle propulsion.

Skills

Propulsion engineering

System integration

Testing

Performance analysis

Job description

Own propulsion — selection, integration, and performance across the flight envelope.

You’ll lead propulsion system design and integration, from trade studies through test and flight, balancing performance, packaging, and producibility.

A hands‑on role for someone who has fielded propulsion on real air vehicles.

What we look for:

• Propulsion engineering for aircraft or UAS (air-breathing and/or electric)
• Integration, testing, and performance analysis
• Comfort owning propulsion on a small team
• U.S. person status (ITAR/EAR) required
• Eligible to obtain and hold a U.S. security clearance
• Active security clearance preferred