Thermal Engineer

Aetherflux

$150K — $200K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field.
  • 3+ years of experience in thermal analysis and design of spacecraft thermal systems.
  • Proficiency with thermal modeling software like ANSYS Thermal Desktop.
  • Strong understanding of thermodynamics and heat transfer fundamentals.
  • Experience in designing and testing thermal hardware (radiators, heat pipes, etc.).
  • Demonstrated experience in spaceflight hardware qualification and testing.
  • Familiarity with vacuum chamber thermal testing.

Responsibilities

  • Develop spacecraft thermal management architectures for high-power components.
  • Utilize thermal simulation tools to predict system behavior in space conditions.
  • Identify optimum thermal solutions considering size, weight, and power.
  • Execute thermal cycle and thermal-vacuum tests for flight-worthiness validation.
  • Collaborate with mechanical and electrical engineers for thermal integration.
  • Select space-grade thermal materials and coatings for structures.
  • Conduct failure mode analysis and implement safety redundancies.

Benefits

  • Equity in Cowboy Space Corp.
  • Medical, dental, and vision insurance for employees and eligible dependents.
  • 401(k) retirement savings plan.
  • Paid time off and 10 paid holidays annually.
  • Paid parental leave and relocation assistance if applicable.
  • Daily lunch provided in the office with a fully stocked kitchen.
Full Job Description
Thermal Engineer

The Role

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

Responsibilities
  • Thermal System Design: Develop spacecraft thermal management architectures, including active and passive cooling solutions for high-power and high-heat-flux components.
  • Thermal Analysis & Modeling: Utilize thermal simulation tools such as ANSYS Thermal Desktop to predict system behavior in space conditions.
  • Thermal System Optimization: After developing component- and system-level models, identify overall optimum solutions that consider overall size, weight and power.
  • Thermal Testing & Validation: Develop, support and execute thermal cycle and thermal-vacuum tests to demonstrate flight-worthiness of components, subsystems and spacecraft.
  • Integration with Mechanical & Electrical Systems: Collaborate with mechanical, electrical, and build and test engineers to ensure seamless integration of thermal management solutions.
  • Material Selection: Identify space-grade thermal materials, coatings, and insulation for spacecraft structures.
  • Reliability & Safety: Conduct failure mode analysis and implement redundancy in thermal control systems.
  • Collaboration: Work with optics, avionics, and propulsion teams to address thermal constraints in system design.


Basic Qualifications
  • Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • 3+ years of experience in thermal analysis and design of spacecraft thermal systems.
  • Proficiency with thermal modeling software such as ANSYS Thermal Desktop.
  • Strong understanding of thermodynamics and heat transfer fundamentals.
  • Experience designing, selecting and testing thermal hardware (e.g., radiators, heat pipes, thermal interface materials, and heaters).
  • Demonstrated experience of spaceflight hardware qualification and acceptance testing of flight components, and the margins associated with those.
  • Familiarity with vacuum chamber thermal testing.


Preferred Qualifications
  • Master's or PhD in Mechanical Engineering, Aerospace Engineering, or a related discipline.
  • 5+ years of experience designing thermal systems for spacecraft, launch vehicles and/or high-power and heat-flux applications.
  • Hands-on experience with spacecraft thermal integration and flight testing.
  • Experience with OpenTD and python scripting.
  • Strong analytical skills and ability to solve complex thermal design challenges.


Compensation and Benefits

The salary range for this position is $150,000 - $200,000 annually. The actual base salary offered will depend on factors such as job-related skills, experience, qualifications, and internal equity.
  • Equity in Cowboy Space Corp.
  • Employees and their eligible dependents may enroll in medical, dental, and vision insurance
  • 401(k) retirement savings plan
  • Paid time off
  • 10 paid holidays per calendar year
  • Paid parental leave
  • Relocation assistance if applicable
  • Daily lunch in the office and a fully stocked kitchen with beverages and snacks


ITAR Requirements
  • Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about ITAR here.


Disclaimer

This job description is a summary of the primary duties and responsibilities of the job and position. It is not intended to be a comprehensive or all-inclusive listing of duties and responsibilities. Contents are subject to change at Cowboy Space Corp.'s discretion.

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