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Senior Mechanical Test Engineer

Nashville or Crossville, TN

Our Company

Whisper Aero is pioneering a more compelling and connected future by delivering cleaner, quieter, and more efficient propulsion solutions. Today's open rotor propulsion systems are challenged by safety, noise, and performance limitations at all scales. Whisper's breakthrough technologies allow aircraft to fly anywhere at any time without disturbing communities, at greater speeds, and with incredible improvements in efficiency and cost. Their innovations also enable a new generation of air moving products that can blend into the soundscapes of daily life. Whisper was founded by industry veterans, Mark Moore and Ian Villa, and continues to innovate a future that’s as considerate as it is compelling with its world-class team in Tennessee. 

About the Role
 
Whisper Aero is seeking a highly skilled and experienced Senior Mechanical Test Engineer to work onsite in Crossville, Tennessee to support the development and testing of our cutting-edge electric propulsors. This role involves designing and executing experiments, building ground test rigs, implementing instrumentation systems, and analyzing data to drive innovation. The ideal candidate will have a strong background in instrumentation, electronics, and software tools for automation and analysis, with the ability to tackle complex challenges and deliver meaningful insights.
 
What You’ll Do
  • Develop and implement test plans, design efficient experiments, and perform specific tests such as static strain, modal analysis, radiated sound power, and propulsor characterization.
  • Select, implement, and troubleshoot instrumentation (e.g., strain gauges, load cells, accelerometers, microphones, etc.) and use data acquisition systems like PAK to collect and process test data.
  • Design and build test rigs for load measurement, aerodynamics, and other performance evaluations.
  • Post-process large datasets, reduce data, and perform statistical analysis using tools like MATLAB and Python.
  • Work closely with cross-functional teams to integrate designs and frameworks and lead test readiness reviews.
  • Mentor junior engineers and be mentored by senior team members.
Basic Qualifications
  • MS in Aerospace, Mechanical, Electrical Engineering, Computer Science, Physics, or a related field with 4+ years of ground testing experience; PhD with 2+ years of experience; BS in Engineering with 10+ years of directly related experience
  • Expertise in instrumentation and electronics, including amplifiers, signal conditioners, strain gauges, load cells, and more.
  • Functional understanding of high-power electrical systems and machine characterization
  • Proficiency in DAQ software (e.g., PAK, HBK, Dewesoft, LabVIEW), programming (Python, MATLAB, microcontrollers), and CAD
  • Proficiency in signal analysis (e.g., FFT, Order, Digital Filtering, Modal Analysis)
  • Strong analytical and communication skills
  • Willingness to work on tasks beyond core responsibilities
  • U.S. Person status Required 
Bonus Qualifications
  • Expertise in acoustics, aeroacoustics, aerodynamics, and propulsion
  • Experience with low-speed wind tunnel testing and advanced instrumentation (e.g., beam-forming, pressure scanners, balance calibration)
  • Skills in designing electronic assemblies and printed circuit boards
  • Familiarity with rapid prototyping and 3D printing
  • Passion for aviation and innovation

Benefits: 

  • Top-tier Benefits: Employee-first focused comprehensive benefits package, minimum of 90% employer-paid plans for employees and dependents with optional HSA/FSA account offerings
  • 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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