NVH Engineer
- Lead NVH development of drive units, belt systems, and complete vehicles from concept through production.
- Develop and validate CAE models for drive units and vehicle systems, including modal, forced response, transfer function, and sensitivity analyses.
- Correlate simulation results with laboratory and vehicle measurements using techniques such as MAC and Transfer Path Analysis (TPA).
- Moderate experience conducting vehicle-, component-, and dynamometer-level NVH testing to identify source, path, and receiver contributions.
- Simulate/measure transfer functions, source characterization, and transfer path analyses to identify dominant noise and vibration mechanisms.
- Define NVH targets, metrics, and acceptance criteria for drive units, belt systems, road noise, wind noise, accessories, and structural vibration.
- Recommend design improvements for motors, gears, housings, bearings, belts, mounts, and isolation systems.
- Collaborate with controls engineers to reduce NVH through software optimization, including motor control angle optimization, harmonic current injection, PWM switching strategies, and related techniques.
- Correlate electromagnetic, structural, and acoustic behavior to improve overall system performance.
- Some experience instrumenting vehicles and laboratory test setups using accelerometers, microphones, laser vibrometers, tachometers, thermocouples, strain gauges, current probes, impact hammers, and shakers.
- Experience with NVH materials and supplier technologies, including acoustic barriers, absorbers, damping materials, Quiet Steel®, structural foams, vibration isolators, bushings, gaskets, drive unit covers, and acoustic encapsulation.
- Develop automated analysis tools using MATLAB and/or Python to improve testing efficiency and data processing.
- Present technical findings and design recommendations to cross-functional engineering teams and leadership.
- Strong understanding of vibration, structural dynamics, rotational acoustics, and psychoacoustic metrics including loudness, sharpness, articulation index, prominence ratio, tone-to-noise ratio, and spectral weighting.
- Moderate experience with NVH testing software such as Siemens Simcenter Testlab, Head Acoustics, Artemis, or equivalent.
- Strong experience with NVH simulation tools such as Simcenter 3D, Abaqus, Ansys, Nastran, or equivalent.
- Experience correlating CAE models with experimental measurements using MAC, modal testing, and Transfer Path Analysis.
- Hands-on experience performing vehicle, component, dynamometer, modal, and source-level NVH testing.
- Experience using controls development tools such as CANape, CANalyzer, or similar.
- Proficiency in MATLAB and/or Python for data analysis, automation, and simulation support.
- Understanding of electric motor NVH, including electromagnetic excitation, stator mounting, rotor skew, pole count, cogging torque, and harmonic excitation.
- Familiarity with gear, bearing, and belt system NVH, including common excitation mechanisms and mitigation techniques.
- Knowledge of vibration isolation, damping treatments, acoustic materials, and mount design.
- Experience performing sensitivity studies, Monte Carlo analyses, and design optimization.
- Excellent communication skills with the ability to present complex technical information clearly to engineers and leadership.
- Robust health coverage. Excellent health, dental and vision insurance covered up to 100% by Also. with FSA & HSA options.
- One Medical membership and dedicated insurance advocates.
- Rich fertility and family building benefits with Progyny.
- Flexible time off.
- 401(k) match.
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