Thermal Engineer

Aetherflux is solving the global energy crisis by building the infrastructure for abundant, resilient, and continuous space-based solar energy. We are tackling humanity's most complex engineering challenge with a world-class team dedicated to delivering a revolutionary power platform. Aetherflux is transforming how civilization powers, computes, and connects—from orbit to Earth.

The Thermal Engineer will design, analyze, and implement thermal management solutions for our space-based power transmission platform. This role will focus on developing thermal control strategies for high-power laser systems, spacecraft electronics, and structural components operating in extreme space environments. The ideal candidate will have experience with spacecraft thermal design, analysis, and testing, ensuring reliable performance in Low Earth Orbit.

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.

• 3+ years of experience in thermal engineering, thermal analysis, or spacecraft thermal systems.

• Proficiency with thermal modeling software such as ANSYS, Thermal Desktop, COMSOL, etc.

• Strong understanding of heat transfer principles, including conduction, convection, and radiation in space.

• Experience designing and testing radiators, heat pipes, and phase-change materials.

• Knowledge of spaceflight hardware qualification and environmental testing.

• Familiarity with vacuum chamber thermal testing and in-orbit thermal management strategies.

• Master's or PhD in Mechanical Engineering, Aerospace Engineering, or a related discipline.

• 5+ years of experience designing thermal systems for spacecraft, aerospace, or high-power laser applications.

• Experience with cryogenic cooling, thermoelectric cooling, and advanced thermal coatings.

• Hands-on experience with spacecraft thermal integration and flight testing.

• Familiarity with radiation shielding techniques and space-qualified thermal materials.

• Strong analytical skills and ability to solve complex thermal design challenges.