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Thermal Engineer at Aetherflux | San Carlos, California

AetherfluxSan Carlos, California
On-site Full-time

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Experience Level

Experience

Qualifications

Basic Qualifications:Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field. Experience in spacecraft thermal design, analysis, and testing. Familiarity with thermal simulation software such as ANSYS and COMSOL. Strong problem-solving skills and attention to detail. Ability to work collaboratively in a multidisciplinary team environment.

About the job

About Aetherflux

Aetherflux is at the forefront of addressing the global energy crisis by developing the infrastructure for abundant, resilient, and continuous solar energy harnessed from space. Our world-class team is dedicated to overcoming humanity's most complex engineering challenges, creating a revolutionary power platform that transforms how civilization powers, computes, and connects—from orbit to Earth.

Position Overview: Thermal Engineer

We are seeking a skilled Thermal Engineer to design, analyze, and implement innovative thermal management solutions for our advanced space-based power transmission platform. This role emphasizes the development of thermal control strategies for high-power laser systems, spacecraft electronics, and structural components operating in extreme space environments. The ideal candidate will possess a strong background in spacecraft thermal design, analysis, and testing, ensuring optimal performance in Low Earth Orbit.

Key Responsibilities

  • Thermal System Design: Create comprehensive spacecraft thermal management architectures, incorporating both active and passive cooling solutions for high-power laser payloads.

  • Thermal Analysis & Modeling: Employ advanced thermal simulation tools such as ANSYS, Thermal Desktop, and COMSOL to accurately predict system behavior under space conditions.

  • Heat Transfer Optimization: Engineer efficient heat exchangers, radiators, and phase change materials to ensure optimal thermal performance.

  • Vacuum & Radiation Considerations: Assess the impacts of vacuum, radiation, and extreme temperature variations on spacecraft thermal systems.

  • Thermal Testing & Validation: Design and conduct thermal vacuum chamber tests, thermal cycling tests, and in-orbit validation plans.

  • Integration with Mechanical & Electrical Systems: Collaborate with mechanical and electrical engineers to ensure the seamless integration of thermal management solutions.

  • Material Selection: Identify and select space-grade thermal materials, coatings, and insulation for spacecraft structures.

  • Reliability & Safety: Perform failure mode analysis and implement redundancy measures in thermal control systems.

  • Collaboration: Partner with optics, avionics, and propulsion teams to address thermal constraints in system design.

About Aetherflux

Join Aetherflux, a pioneering company dedicated to revolutionizing energy solutions through innovative space-based solar technologies. Our mission is to provide sustainable and resilient energy sources that will dramatically change how we live and work on Earth.

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