Sr. Engineer - NVH

Responsibilities

  • Determine sources and root causes of structure borne and airborne noise from electric motors, gearboxes, pumps, fans, and compressors.

  • Recommend design improvements and work with the design teams to test, validate, and implement improvements.

  • Perform sound source localization and transfer path analysis to quantify and rank contributions from rotating machinery components

  • Perform component-level testing on test fixtures or dynamometer and correlate component level results and trends to NVH performance on the complete product.

  • Preparation of physical test plans and methods to validate NVH characteristics in real-life test setups.

  • Optimize designs via analytical, numerical, and/or empirical assessments

  • Collaborate with designers, engineers, and other cross-functional partners to identify risks, strategically create simulations, plan, and conduct validation testing, and deliver objective, data-driven engineering guidance and solutions

  • Drive failure analysis, root cause efforts, and design of experiments to resolve problems

  • Provide data and technical guidance for product architecture development efforts

  • Support design reviews and DFMEAs both component and system wise.

  • Organize and lead design reviews, solution brainstorms, and implementation efforts

  • Evaluate competing NVH design approaches using any one of the various development tools (DFMEA, fault tree, decision matrices, etc.)

  • Evaluation of new/innovative NVH ideas in digital and physical environment and comparative study.

  • Advance team capabilities through the use of new methods, materials, technologies, and software tools

Skillset Required

  • Experience in fault detection of rotating machinery using microphones, accelerometers torque transducers, shaft encoders, zebra tape, etc.

  • Experience using order analysis, cestrum analysis, torsional vibration analysis, sound intensity mapping, experimental modal analysis, and transfer path analysis for structure borne noise in vehicles

  • Experience with tonal sound quality metrics such as hearing model tonality, prominence ratio, and solid understanding of hearing perception and psychoacoustics.

  • Understanding of basic gear design, gear inspection, metrology, and NVH issues related to manufacturing.

  • Basic understanding of noise and vibration issues related to electromagnetic interactions in electric motors

  • This role is mainly focused on testing and analysis but experience with vibroacoustic simulation or gear train modeling would be useful

  • Experience With Motor, Gearbox & drivetrain components design

  • Demonstrated ability to create products: CAD design to hands-on prototyping

  • Proficiency in CAD modelling; Autodesk Inventor experience a plus

  • Experience in various aspects of structural Finite element modelling.

  • Proficiency in any FEA software

  • Must have experience in design documentation and design development.

  • Experience defining test plans, designing test setups, and analysing data

  • Knowledge of appropriate software including Microsoft Word, Excel, and Outlook, Microsoft PowerPoint.

Experience Required

  • Strong engineering foundation at least equivalent to Bachelors/Masters in related fields of Engineering.

  • 4-7 years of prior industry experience

  • Experience with FSAE, SAE Baja, Solar Car, etc. is a plus.