Shubham Bagul

Mechanical Engineer with 3.2+ years of professional experience in Experimental Noise, Vibration and Harshness (NVH) testing and validation for Automotive (2-Wheeler) and Diesel/Marine Genset products. Experienced in complete NVH test execution, instrumentation setup, sensor calibration, multi-channel data acquisition, and post-processing using Siemens Sim-center Test-lab and SCADAS. Strong knowledge of airborne and structure-borne noise measurements, vibration analysis, FFT, PSD, FRF, Order Analysis, Modal Testing, Operational Deflection Shape (ODS), and prototype validation.

Skilled in identifying NVH issues through root cause analysis, supporting design improvements, preparing technical documentation, and collaborating with cross-functional engineering teams to achieve product performance and quality targets.

Technical Associate Engineer – NVH Testing at Cummins Technical Center India (2025-03 – Present)

• Perform complete NVH testing and validation on diesel and marine generator sets.
• Configure Siemens SCADAS and Simcenter Testlab for multi-channel data acquisition.
• Install and calibrate free-field microphones, IEPE accelerometers, laser tachometers and sound level calibrators.
• Conduct Airborne Noise (ABN), Structure-Borne Noise (SBN), Engine Mount Vibration (ABM/BLM), Torsional Vibration and Noise Source Identification (NSI) measurements.
• Perform FFT, Overall RMS, Linear Vibration, Octave Band, 1/3 Octave Band, time domain and frequency-domain analysis.
• Support ISO 3744, ISO 6798 and ISO 8528-10 sound pressure and sound power measurements at Cummins Noise Pad, Phaltan.
• Conduct Hemispherical, Parallelepiped, Cylindrical and CE Noise testing as per customer and regulatory requirements.
• Perform instrumentation setup, sensor health checks and data quality verification before testing.
• Support root cause analysis, prototype validation and engineering investigations.
• Prepare technical test reports and present NVH test results to engineering teams.

Diploma Trainee / Technical Executive – NVH at Bajaj Auto Ltd. (2023-07 – 2025-02)

• Performed complete vehicle NVH testing and validation for two-wheelers.
• Conducted Brake Moan, Pass-by Noise, EV Noise Source Identification (NSI) and Human Interface Point (HIP) testing.
• Performed Transfer Path Analysis (TPA), Transmission Loss (TL), Volume Velocity Source (VVS), PSD and Torture track (TT) Tests.
• Supported Impact Hammer Testing, Experimental Modal Testing, Shakar testing and Operational Deflection Shape (ODS) testing.
• Installed Accelerometers, microphones, tachometers and data acquisition systems.
• Acquired and analysed NVH data using B&K Pulse and Pulse Reflex.
• Performed vehicle benchmarking, root cause analysis and supported NVH design improvements.
• Prepared technical reports and supported prototype validation activities.

Bachelor of Engineering in Mechanical engineering – Savitribai Phule Pune University (VPS College of engineering, Maval, Pune) (2024 – 2027)

Diploma – MSBTE (MIT, Polytechnic, Yeola, Nashik) (2020 – 2023)

SSC – R.B. Patil School, Nashik (2020 – 2020)