Whisper Aero, a leader in air propulsion technology, focuses on delivering cleaner, quieter, and more efficient thrust solutions. Our team, with over a decade of experience in electric propulsion, includes experts from NASA, Lockheed Martin, Boeing, and other industry giants. We pride ourselves on a culture of ambition, creativity, and teamwork, constantly seeking innovative minds ready to challenge norms and drive progress in our field.

About the Role

Whisper Aero is seeking a diligent, detail-oriented and hardworking Aero-thermal Engineer familiar with different fidelity heat transfer codes (from network models to conjugate heat transfer CFD codes) to assist with the design of thermal analysis in advanced electric propulsion systems. This role will be focused on developing cooling schemes and carrying out detailed thermal analysis for integrated motor/propulsor problems. It will involve some working knowledge of heat sources in electric motors and power electronics associated with electric propulsors. They will drive key thermodynamic, aero performance, and aero-thermo-structural design decisions and regularly work closely with our Flight Sciences Lead, Flight Sciences team, Chief Engineer, and Technical Project Leads. In this role, you will work with the team to identify thermal constraints for future propulsors, manage cooling schemes for propulsors in different thrust classes, develop thermal codes, provide pre-test predictions, and code validation.

What You’ll Do

Participate in and present during reviews, provide feedback to the design, flight sciences teams, and technical project managers.
Use thermodynamic network analysis, back-of-envelope calculations to evaluate electric motor heating during select mission profile points.
Design cooling schemes and assess scalability related to motors with different power requirements.
Perform design optimization trades involving aerodynamic performance, heat transfer, and weight.
Carry out high-fidelity CFD and conjugate heat transfer simulations.
Provide testing support for model validation, support design projects, and help with writing proposals.
Participate in design review meetings.
Provide support to customers for issues that arise in product integration
Write technical reports that are accurate and comprehensive to be peer-reviewed by other team members.

Basic Qualifications

US Citizenship / Green Card Status
Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Mathematics, or Computational Sciences technical discipline with typically a minimum of 4 years of related experience; or a graduate degree Masters degree in similar disciplines with a minimum of 2 years of related experience; or PhD in similar disciplines.
Familiarity with heat transfer codes and frameworks.
CFD experience with commercial codes like Ansys, StarCCM+
Experience with a 3D CAD package such as Solidworks, NX, CATIA V5, or Fusion 360
Expertise in Python programming, Matlab, and Julia preferred.

Bonus Qualifications

Experience with liquid cooling and two-phase applications
Exposure to electric motors/power electronics, especially as related to heat sources
Experience with electric machines and motors, hybrid electric powertrains
Experience with Multidisciplinary Design Optimization methods and/or Machine Learning Surrogate Models, Digital Twins
Familiarity with data management, revision, and version control: Git

Benefits:

Top-tier Benefits: 100% paid Medical, dental, and vision for employees, 75% paid for dependents
PTO & Federal Holidays: Starting at four weeks of paid time off for vacation, sick, and personal days
Competitive Salary: Value-based compensation, plus enjoy Tennessee’s no-income-tax life
End of Year Bonuses: For eligible employees
We always have beverages and snacks available to energize you throughout the day, with paid team meals based on office demands.
401(k)
Relocation Assistance
Professional Development Stipend

Whisper Aero is proud to be an Equal Opportunity employer committed to diversity and inclusivity in the workplace. All aspects of employment are decided on the basis of merit, qualifications, and business needs. We do not discriminate based upon race, color, religion, sex, sexual orientation, age, national origin, disability status, protected veteran status, gender identity or any other characteristic protected by federal, state or local laws. Whisper Aero also participates in E-Verify and will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS), with information from each applicant's Form I-9 to confirm work authorization.

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