Whisper aero

CNC Machinist

Crossville, Tennessee, United States Full Time

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

We are seeking a hands‑on CNC Machine Shop Assistant to support day‑to‑day machining, fabrication, and shop operations. This role will assist machinists and engineers in producing precision components, maintaining equipment, organizing tooling, and ensuring the machine shop runs safely and efficiently.

What You’ll Do

  • Assist with CNC machine setup, loading raw materials, and preparing equipment for machining operations.
  • Operate basic machine tools to support part fabrication.
  • Perform part cleaning, deburring, surface preparation, and inspection tasks.
  • Maintain shop documentation and work instructions.
  • Collaborate with machinists and engineers on tooling and process adjustments.
  • Maintain a clean, organized, and safe machine shop environment.
  • Support tooling organization, inventory, and calibration tracking.
  • Assist with material flow and part handling for prototype and production work.

Required Qualifications

  • High school diploma or equivalent; technical machining training preferred.
  • 1–3 years of experience in a machine shop or CNC environment.
  • Familiarity with CNC mills, lathes, or manual machining tools.
  • Ability to read basic engineering drawings and tolerances.
  • Experience using calipers, micrometers, and related measurement tools.
  • Ability to follow work instructions and maintain process traceability.
  • Ability to lift 30 lbs and perform repetitive tasks.

Bonus Qualifications

  • Experience operating CNC mills or lathes under supervision.
  • Familiarity with G‑code, CAM, or CNC control interfaces.
  • Experience with precision inspection equipment.
  • Knowledge of AS9100 or ISO9001.

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.