Alejandro D.
Senior R&D Acoustic Engineer
Experience
Feb 2024 - Present
1 year 11 monthsSenior R&D Acoustic Engineer
Knobloch Strings SLU
- Optimize acoustic performance and durability of musical strings.
- Develop and apply relaxation models to predict material behavior under tension and stress over time.
- Design technical tools to assist with new product development, focusing on physics-based acoustics and material constitutive models.
- Improve production techniques and quality control processes to ensure consistent frequency behavior and sustainability.
Jul 2022 - Jan 2024
1 year 7 monthsVibroacoustic Engineer
ICR SL
- Performed FEM simulations using COMSOL to model ground vibration propagation and structural responses.
- Carried out acoustic certification of rolling stock.
- Ran advanced lab and field testing, including Experimental Modal Analysis (EMA), Operating Deflection Shapes (ODS) and Transfer Path Analysis (TPA).
- Conducted data analysis using Matlab and Python.
- Completed vibroacoustic projects for diverse industries, delivering technical reports and root-cause analysis for noise and vibration issues.
Aug 2020 - Jun 2022
1 year 11 monthsAcoustic Engineer
Alstom Transport Link Austria GmbH
- Executed interior and exterior noise predictions for light railway vehicles using proprietary simulation tools.
- Led noise source identification and control of ductwork noise in HVAC systems.
- Collaborated with design teams to comply with noise and vibration requirements.
- Defined and supervised acoustic type tests at client sites, ensuring compliance with client requirements.
Oct 2018 - Sep 2019
1 yearResearch Assistant
Chair of Vibroacoustics of Vehicles and Machines, Technical University of Munich
- Conducted automated measurements using Polytec PSV-500 scanner vibrometers.
- Developed MATLAB scripts for automated modal analysis and signal processing.
- Performed modal analysis using Vibrant ME'Scope software.
Apr 2017 - May 2018
1 year 2 monthsWorking Student - Optics Group
ARRI AG
- Executed MTF-based automated measurements of prototype targets and optical filters in a laboratory setting.
Oct 2015 - Oct 2016
1 year 1 monthWorking Student - Technologies in Environmental Acoustics
Müller BBM GmbH
- Performed in situ measurements of rolling noise using CPX and statistical pass-by (SPB) methods.
- Conducted sound absorption coefficient measurements with an impedance pipe.
- Conducted surface roughness measurements both in situ and in the laboratory to support environmental acoustics assessments.
Jan 2015 - Jul 2015
7 monthsWorking Student - Data Acquisition Systems and Robotics
National Instruments Munich
- Prepared and processed measurement data for rolling noise prediction using SPERoN, ensuring consistency and reliability of input parameters.
- Superimposed surface profiles and carried out quantitative calculations of surface properties in Matlab for detailed acoustic surface characterization.
- Evaluated and formatted measurement protocols, contributing to clear documentation of test setups, procedures and results.
- Assisted in communication with clients in Spanish, supporting technical discussions and the clarification of measurement results.
Summary
Senior R&D Acoustic Engineer specialized in physics-based acoustics, vibroacoustics and materials characterization. Skilled in FEM (COMSOL), scripting/analysis (MATLAB, Python) and advanced testing (EMA, ODS, TPA), with knowledge in plastics and acoustics-based product optimization.
Skills
- Simulation: Comsol, Ansys
- Testing: Ema, Ods, Tpa
- Scripting/analysis: Matlab, Python
- Daq: Ni/labview, Oros, B&k, Polytec
- Materials Characterization
Languages
Spanish
NativeCatalan
AdvancedGerman
AdvancedGreek
AdvancedEnglish
AdvancedEducation
Oct 2014 - Jun 2019
University of Munich / University of Salzburg
B.Sc. Engineering Science · Engineering Science · Munich, Germany
Oct 2007 - Jun 2009
University Mozarteum Salzburg
M.A. Concert Guitarist · Concert Guitarist · Salzburg, Austria
Oct 2003 - Jun 2007
University Mozarteum Salzburg
B.A. Guitar and Jazz Pedagogy · Guitar and Jazz Pedagogy · Salzburg, Austria
Certifications & licenses
LABVIEW APPLICATION DEVELOPMENT
National Instruments Munich
NI WORLDCLASS - DATA ACQUISITION SYSTEMS AND ROBOTICS
National Instruments Munich
Driving license category B
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