Spacecraft Thermal Engineer II

Firefly Aerospace
Any Location, TX
Category Engineering
Job Description
Role Overview

Firefly Thermal Engineers apply advanced simulation and heat transfer expertise to solve complex spacecraft thermal challenges from concept development through flight operations. Engineers in this role independently own subsystem thermal analyses, develop validated thermal models, and influence engineering decisions through high-quality analytical work.

What You Will Do

Independently develop and maintain subsystem and vehicle-level spacecraft thermal models. Execute thermal trade studies supporting design, integration, testing, and mission operations. Develop thermal control solutions including MLI, radiator sizing, heater strategies, coatings, and other passive and active thermal control technologies.

Why It Might Be a Fit

Successful candidates are expected to drive thermal analyses from problem definition through documentation while collaborating across multiple engineering disciplines. Excellent technical communication skills and demonstrated ability to independently execute complex engineering analyses are required.

Requirements

  • B.S. in Aerospace Engineering, Mechanical Engineering, Physics, or related field
  • Approximately 3–8 years of spacecraft or aerospace thermal analysis experience
  • Strong experience with Thermal Desktop and related thermal analysis software
  • Strong understanding of spacecraft thermal control systems
  • Experience correlating analytical models with test data
  • Working knowledge of Python and MATLAB
  • Excellent technical communication skills
  • Demonstrated ability to independently execute complex engineering analyses
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