๐Ÿš€ Thermal Systems Engineer

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Phasic Energy

๐Ÿ’ฐ Earn $125.000 โ€“ $150.000 / year
  • ๐Ÿ“ Location: Boston
  • ๐Ÿ“… Posted: Oct 28, 2025

Are you passionate about reducing COโ‚‚ emissions by 1.1 billion metric tons annually and helping homeowners lower their energy bills? Join Phasic Energy as a Senior Mechanical Engineer (CFD) and play a vital role in advancing clean, high-efficiency thermal systems. We're looking for a driven individual with a Ph.D. in energy systems or related fields, and at least 5 years of experience in Computational Fluid Dynamics (CFD).

| 02 | Why Phasicโ€™s Technology is equipped to make a difference

  • Lead and execute advanced CFD simulations to optimize design and solve complex engineering challenges
  • Collaborate with cross-functional teams to innovate across energy systems, conversion, and sustainable technologies
  • Provide deep technical guidance in CFD, contributing to key project milestones
  • Drive ongoing research and stay current with emerging CFD trends and technologies

| 03 | Required Qualifications

  • Ph.D. in Mechanical Engineering or related field focused on energy or thermal systems
  • Minimum 5 years of experience in CFD simulations with a strong track record
  • Proficiency in tools like ANSYS Fluent, CFX, or Siemens Star CCM+
  • Experience with LES or hybrid RANS-LES, transient thermal physics, and porous material flows
  • Familiarity with Java, C++, or Visual Studio for user subroutine development is a plus
  • Solid foundation in thermodynamics, fluid mechanics, and heat transfer
  • Strong communication skills and the ability to clearly present technical concepts

| 04 | Why Join Phasic Energy

  • Work on cutting-edge energy projects with global sustainability impact
  • Be part of an inclusive, collaborative, and fast-paced R&D team
  • Competitive compensation and comprehensive benefits
  • Located in one of the worldโ€™s most innovative and dynamic cities

As part of the application, we invite you to solve a practical challenge to demonstrate your engineering thinking. Download the Technical Evaluation Task below, and submit your completed response along with your resume.

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