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Senior Mechanical Engineer

Job in Boston, Suffolk County, Massachusetts, 02298, USA
Listing for: Phasic Energy
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Job Description & How to Apply Below
Are you passionate about reducing CO₂ 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 Phasic’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 world’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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Position Requirements
10+ Years work experience
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