Thermal Engineer

Mountain View, CA
About us:
Aeva is building the next generation of sensing and perception for autonomous vehicles and beyond. With its unique ability to measure instantaneous velocity for each pixel, long-range performance at high resolutions, while being free from LiDAR or sunlight interference, Aeva’s 4D LiDAR is built from the ground up at silicon photonics scale for mass-market applications.

Role Overview:
We are looking for a Thermal Engineer to join our team and develop thermal solutions for our world-class LiDAR.

What you'll be doing

  • Architecting thermal system design to maximize performance and efficiency.
  • Developing detailed thermal models to provide design feedback and component requirements. 
  • Analyzing simulation and measurement results to correlate models. 
  • Designing convective thermal solutions including fans, heatsinks, and vapor chambers, along with conductive thermal solutions including TIMs and TECs.
  • Evaluating thermal impact on optical and electromechanical performance.
  • Guiding our overseas CMs and suppliers to execute testing. Reviewing and analyzing data.

What you have:

  • 3+ years experience with thermal analysis and modeling of complex systems including silicon packages, PCBs, and fans.
  • Experience with multiphysics analysis techniques such as STOP with SigFit. 
  • Proficiency modeling in Ansys Icepak, FloTHERM, or 6SigmaET (Icepak preferred).
  • Experience with PCB, semiconductor package, and system-level thermal testing including test fixture design/simulation/measurement correlation (thermocouples, DAQ, LabVIEW or similar, thermal chambers).
  • Experience designing, speccing, and implementing passive and active thermal management solutions.
  • Experience debugging system and component-level thermal performance issues and failure analysis.
  • Deep understanding of the thermo-mechanical properties and failure modes of glass, laminated composite structures, ceramics, polymers, metals, and adhesives.
  • Understanding of CFD model optimization for multi-core efficiency (meshing strategy, feature resolution, understanding how different components affect the thermal stack, etc).
  • B.S. in Mechanical Engineering or related field.

Nice to have:

  • Experience designing thermal solutions for automotive components.
  • Deep understanding of thermal integration manufacturing processes.
  • Solidworks modeling experience
  • FEA structural simulation experience.
  • Magnetics simulation experience with Maxwell, COMSOL, or EMWorks.

What's in it for you:

  • Be part of a fast-paced and dynamic team
  • Very competitive compensation and meaningful stock grants
  • Exceptional benefits: Medical, Dental, Vision, and more
  • Unlimited PTO: We care about results, not punching timecards

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