Spacecraft Thermal Engineer jobs in United States
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Muon Space · 1 day ago

Spacecraft Thermal Engineer

Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations. They are seeking an experienced Spacecraft Thermal Engineer to lead thermal design efforts for spacecraft, perform detailed analysis, and validate hardware systems throughout the mission lifecycle.

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Responsibilities

Lead the thermal design efforts for a complete spacecraft mission lifecycle
Design and define requirements for spacecraft thermal management subsystems working closely with other subsystem leads
Build and execute simulations to understand on-orbit thermal performance
Implement thermal components into Muon’s integrated systems modeling tools
Design the thermal verification and validation approach for the spacecraft
Work closely with internal and external stakeholders to validate hardware systems at both the unit level and spacecraft level

Qualification

Thermal designThermal simulationsThermal validation plansThermal DesktopMechanical CADCoordination skillsPythonMatlabCC++Systems engineeringMechanical/structural analysisCommunicationPresentation skills

Required

B.S. or higher degree in an engineering field, preferably Mechanical
Extensive experience as an individual contributor thermal engineer
5+ years of experience working on thermal design/simulation for spacecraft or aerospace systems
Experience with Thermal Desktop
Experience running thermal simulations for spacecraft
Experience designing and executing thermal tests (e.g. TVAC) for spacecraft
Excellent communication, presentation, and coordination skills
A dedication to decision making based on the most important factors and data
Excited to work in a fast-paced environment with new challenges each week

Preferred

Software skills in one or more of Python, Matlab, C, C++
Experience as a systems engineer
Mechanical CAD experience, Solidworks preferred
Mechanical/structural analysis experience

Benefits

Equity compensation
Medical, dental, and vision insurance
A 401k retirement plan
Short & long term disability and life insurance
Three weeks paid vacation for new employees
12 paid holidays
Unlimited sick time
Paid parental leave

Company

Muon Space

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Muon Space is a space systems company that designs, builds, and operates LEO satellite constellations for earth intelligence missions.

Funding

Current Stage
Growth Stage
Total Funding
$225.8M
Key Investors
United States Space ForceCongruent VenturesActivate Capital Partners
2025-10-08Grant· $44.6M
2025-06-12Series B· $44.5M
2025-06-12Debt Financing· $45M

Leadership Team

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Jonathan Dyer
CEO
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Dan McCleese
Co-Founder & Chief Scientist
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Company data provided by crunchbase