Electrical Engineering

Jonathan Valladares

***** *** ***** ****** **

Downey, CA 90241

562-***-**** / **************@*****.***

Objective

To obtain a position in a high-quality engineering environment, where I can apply my technical work experience and academic skills toward meaningful contributions.

Technical Work Experience

Universal Electronics, Inc. (Santa Ana, CA)

Test Engineer July 2017 to Present

Electrical hardware and software testing/product evaluation

oNPI testing includes voltage levels, DC offset, voltage supply noise, ESD control, RF interference, RF Performance and IR performance

Coordinate with mechanical, software and electrical engineering design teams

Support product development, write product evaluation reports and develop test plans and procedures

Work from schematics, diagrams, procedures and layouts to perform testing and product evaluation

Perform audio evaluation of microphone and speaker products to meet audio specifications

oAudio performance tested in anechoic chamber for sensitivity, linearity, frequency response, total harmonic distortion, noise, signal to noise ratio, and aliasing. Audio analysis in MATLAB, audio tuning and generation of audio coefficients and compilation of new software in IDE

Troubleshoot factory issues, such as test setups, programming issues and PCBA failures

oRoot cause analysis and corrective action of PCBA failures determined down to component level

Conduct Engineering Validation and Testing (EVT), Design Validation and Testing (DVT), and Production Validation and Testing (PVT)

Universal Electronics, Inc. (Santa, CA)

Quality Assurance Engineer July 2017 to Present

Perform root cause analysis on field returns

Report root cause findings via 8D reports, 5-Why's and Pareto Charts

Analyze production line rejection data

Lead DFMEA meetings

Run reliability testing on new project introductions

Present quality control data to company's major customers

Drive Build and Ship Authorization forms for new project introductions

Evaluate cosmetic integrity of new products

Automate current reliability testing processes

Technical Skills

Software: Excel, PowerPoint, Visio, Matlab, Simulink, OrCAD PSpice, AutoCAD, LabVIEW, TinyCAD, Daptiv, KeyedIn, MS Office Suite, Mentor Graphics PADS, Solidworks

Test Equipment: Oscilloscope, Spectrum Analyzer, Digital Multimeter, Thermocouple Calibrator, Voltage Calibrator, Waveform Generator, Frequency Counter, High Frequency Probe, DC Power Analyzer, Environmental Chamber

Programming Language: C/C++, Assembly

Certification: Engineering-in-Training (EIT), IPC-A-610 Specialist

Operating Systems: Ubuntu, Windows 7, Windows 10

Education

California State University, Los Angeles (Los Angeles, CA) September 2011 to June 2016 B.S. Electrical Engineering (Emphasis in Electronics and Power)

Projects

•NASA Swarmathon Competition - California State University, Los Angeles 2015-2016

Hardware Engineer

oEvaluated limitations of default hardware for competition

oAssisted in the development of the software for the search algorithm

oAssessed software compatibility with hardware

oAided in construction of test arena for the rovers

oParticipated in the writing of the technical report

•EcoCAR 3 - California State University, Los Angeles

Senior Design Electrical Engineering Sub-Team Lead 2014-2015

oDesigned an electrical testbed for a Chevrolet Camaro

oPerformed low and high voltage analysis on the testbed

oDesigned a harness system

oDevised an electrical energy storage system

oProgrammed data acquisition sensors on testbed using Arduino and LabVIEW

oAided in the programing of the motor driver

Recent Projects and contributions

Reliability Testing on a High End Product - Universal Electronics, Inc. 2017 to 2018

•Developed test plans and procedure for reliability testing offsite.

oTests include: Long Term Reliability, Thermal Cycle, Temperature and Humidity and Shock and Vibration

Automation of Functionality Test During Reliability Tests August 2018

•Developed a process to continually check the functionality of the product while the product is inside a temperature chamber.

Gage Repeatability and Reproducibility (GRR) - Universal Electronics Inc. June 2018

•Developed and conducted GRR test plan for RF interference testing

Engineering Test Plans - Universal Electronics, Inc. November 2017

•Developed test plans for the factory to conduct acceptance testing during product manufacturing

oTests include: Audible Noise, Temperature and Humidity and Drop Test

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