Senior Thermal Analyst
Space Products
Posted on 9/19/2023

201-500 employees

Satellite delivery & rocket launch services
Company Overview
Astra’s mission is to Improve Life on Earth from Space® by creating a healthier and more connected plane. Today, Astra offers one of the lowest cost-per-launch dedicated orbital launch services of any operational launch provider in the world, and one of the industry’s first flight-proven electric propulsion systems for satellites, Astra Spacecraft Engine™.
Sunnyvale, CA, USA
Experience Level
Desired Skills
Data Analysis
Mechanical Engineering
  • Bachelor's degree in in Mechanical Engineering, Aerospace Engineering, or related technical discipline
  • 5+ years' professional experience with thermal analysis in space applications
  • 5+ years of experience with thermal analysis software (Thermal Desktop, SINDA/FLUINT, etc)
  • 2+ years of experience with thermal cycling / TVAC test planning, test set-up, results correlation, and system verification
  • 2+ years of experience in development and/or selection of thermal control hardware, such as: surface finishes, interface materials, MLI blankets, temperature sensors, and heaters
  • Possess a strong understanding of commonly used materials & their thermal/mechanical behavior
  • Demonstrated ability of working with design engineers symbiotically to create efficient designs that satisfy broad requirements
  • You have shown familiarity with anchoring models to test data
  • Experience owning analysis projects from beginning to end, with minimal oversight
  • You are self-motivated with strong organizational, communication and documentation skills
  • Responsible for thermal design, analysis and test of electric propulsion and other space components mounted internal and external to the spacecraft bus
  • Support architectural trades & parametric analyses using first order principles and preliminary thermal analysis for orbital conditions and vehicle operating modes
  • Develop automated scripts enabling rapid analysis updates accommodating trades (operational modes, duty cycles, structural distortion mapping)
  • Design, analyze and select thermal hardware such as: multi-layer insulation, surface finishes and interface materials as needed
  • Define and execute test setups for thermal cycling and TVAC tests for development and qualification testing at unit and subsystem level, and correlate test results with mission operations models
  • Develop standards to be used on thermal analyses; define tools & acceptable post-processing methods
  • Correlate system models to test data and provide the test & operations team with test sequences and other guidance about safe product operations
  • Improve the existing analytical capabilities, processes, and tools
  • Help design tests, guide instrumentation selection & location to validate and refine models
  • Develop, document, & present the load cases and results in a clear, concise manner in internal and customer design reviews
Desired Qualifications
  • Advanced degree (Master's or PhD) in Mechanical Engineering, Aerospace Engineering, or related technical discipline
  • 8+ years of industry experience with space thermal engineering
  • Experience developing hardware that has been to space, and which successfully operated as intended
  • You are comfortable with data processing tools ranging from Excel to custom scripts built with VBA, Python, MATLAB, etc
  • Experience with mechanical CAD (NX or similar) and PLM (Teamcenter or similar)