Thermal & Aerothermal Lead for High-Performance Systems

Grex Defense, Inc.; Huntsville (AL); Hybrid; USD 90,000 - 150,000; Full time

Job summary

Grex Defense, Inc. in Huntsville, AL, seeks an experienced Thermal/Aerothermal Engineer to own the analysis and design of heat management for vehicles and subsystems, from concept through test.

You will lead CFD and thermal modeling efforts, ensure electronics cooling under high-speed heating, and correlate models with test results while aligning with ITAR/EAR requirements and clearance readiness.

This role supports advanced defense programs and requires a US person status.

Qualifications

• Thermal/aerothermal analysis (CFD, thermal modeling).
• Electronics cooling and/or high-speed heating.
• Correlation of models with test.
• U.S. person status (ITAR/EAR) required.
• Eligible to obtain and hold a U.S. security clearance.
• Active security clearance preferred.

Responsibilities

• Lead thermal and aerothermal analysis and design — managing heat across the vehicle and subsystems from analysis through test.
• Own the thermal and aerothermal behavior that keeps systems within limits.
• Work that keeps performance high and hardware inside its envelope.

Skills

Thermal/aerothermal analysis

CFD

Thermal modeling

Electronics cooling

Model validation with test

Job description

Grex Defense, Inc. in Huntsville, AL, seeks an experienced Thermal/Aerothermal Engineer to own the analysis and design of heat management for vehicles and subsystems, from concept through test.

You will lead CFD and thermal modeling efforts, ensure electronics cooling under high-speed heating, and correlate models with test results while aligning with ITAR/EAR requirements and clearance readiness.

This role supports advanced defense programs and requires a US person status.