SUMMARY
**+ years of success with electrical companies in engineering and management. Experienced in power electronics, hardware design, test & debug.
Digital and Analog Hardware Design & Test
Power Supply and Control Design & Test
Operations, Logistics, Personnel Management
WORK EXPERIENCE
AQS, Inc., Fremont, CA Electrical Engineer/Sr. Supervisor 06/2013 – Present
Ability to manage production and manufacturing process
Making documentation for manual, process, test instruction, DFT
Consultation for customer to provide ODS with making a new product with PCBA design and making prototypes
Working on Google projects as Hardware Testing Engineer: Ara Phone & Google Spoon
Supervising and instructing PCBA design team
Training technicians and leaders for testing, debugging and operations
Responsible for implementing test fixture for programming and function test
Building and analyzing PCBA prototype
Testing and troubleshooting PCBA
Inspecting and verifying new test equipment and fixture and executing test plans
Setup & operating equipment to conduct function and reliability test
Maintaining and repairing test and manufacturing machinery: ICT, AOI, X-Ray, SMT, Wave
Inspecting for faulty FA and troubleshooting to the component level with good hands-on skill
Creating MPI, ECO and handing RMA from customer
Installing, maintaining and recommending appropriate field solutions for electronic products
Quan Group, Roseville, CA Co-Founder/CFO 06/2009 – 04/2013
Designing, planning & developing restaurant and retail store properties
Working as a general contractor
Purchasing equipments, materials from vendors
Managing properties financially
Cymeet, Inc., Greensboro, NC Electrical Engineer 03/2006 – 06/2008
Responsible for developing in the field of digital surveillance, remote monitoring, web conferencing and other web-based technologies
Planning for production and manufacturing process
Testing and troubleshooting product
Making documentation for manual, process, test instruction
Setup & operating equipment to conduct function and reliability test
Maintaining and repairing test equipment
Inspecting and troubleshooting to the component level with good hands-on skill
JP&D, Inc., Greensboro, NC Controller 01/2004 – 03/2006
Scheduling & planning petroleum product for retail stores
Managing gas production and c-stores
Sales forecasting for on-time delivery
Data entry & system administration and customer support
ACIT Center, Greensboro, NC / CPES Virginia Tech, Blacksburg, VA 08/2000 – 12/2003
Research Assistant in Power Electronics
DOE research for the design and implementation of a 1kW ZVS DC-DC converter for DPS (Distributed Power System)
Ability to design power supply using design software tools and implement prototype
Design of conventional controls (PID, Fuzzy)
Digital control using DSP (Digital Signal Processing)
Current sharing
Optimal and Robust Control
Leading and instruction graduate students for new project (DC-DC converter, PFC, thermal analysis, design controls)
Work with CPES team in Virginia Tech to built and modify prototype systems for Distributed Power System
Chemtronics Korea, Ltd., Seoul, S. Korea Electrical Engineer 07/1997 – 06/2000
Responsible for inspecting, testing and repairing measurement equipment for water quality
Field engineering with maintenance and quality control of equipment
Making test, setup & operating instruction to conduct function and reliability test
Inspection and troubleshoot completed assemblies to customer specifications
Planning engineering support from Head Quarter in Perth, Australia
Instructing in operation and maintenance of equipment
Analyzing test results and recommend corrective actions
Following standard operational procedures to ensure systems meet quality standards
Control of supplies of hardware and software for operating, programming and installation in track systems
and correct the system defect as needed.
Contributing to the development and execution of system level test
SKILLS
Analog and digital circuitry
Distributed Power Supply (DPS) and controls design
Signal integrity & mixed signal design
Manufacturing process controls
Trouble-shooting down to component level with good hands-on skill
System troubleshooting( include testing, repairing and troubleshooting test equipment, machinery, high and low voltage power supply, PCBA)
Built prototype of PCBA and test fixture
Operating System : Microsoft Windows, Unix, Dos
Knowledge to read; Circuit schematics, Blueprints, and Diagram
Knowledge to operate and troubleshoot ICT and AOI machine
Bilingual; English / Korean
Test Equipment: Oscilloscopes, Logic Analyzer, Spectrum Analyzer, Network Analyzer, Power Supply, DMM, Power Meter, Function Generator
General Software: Microsoft Office (Word, Excel, PowerPoint), Adobe Acrobat, Visio, MathCad
Computer Languages: MATLAB, C, Verilog
Engineering Software: OrCAD Pspice, Altium, Matlab Simulink, Eagle, Auto CAD, Minitab
EDUCATION
2000-2003 North Carolina A&T State University Greensboro, NC
Master of Science in Electrical Engineering
1989-1997 Soong-Sil University Seoul, S. Korea
Bachelor of Science in Electrical Engineering
PUBLICATIONS
Jeong-Hwan Park, Mehdi Ferdowsi, A. Homaifar, “Applicability of Using A Fuzzy Controller for DC-DC Converters,” Proc. CPES Conference, May 2001.
Wei Xu, Jeong-Hwan Park, Jinjun Liu, A. Homafar, Fred C. Lee, “A Comparative Evaluation of Current-Sharing Methods for Paralleled Power Modules,” Proc. Center for Power Electronics (CPES) Conference, May 2001.
Jeong-Hwan Park, B. Yang, A. Homaifar, and Fred C. Lee, “Digital Control for DPS Front End DC-DC Converter,” Proc. Center for Power Electronics (CPES) Conference, April 2002.
Jeong-Hwan Park, B. Yang, A. Homaifar, and F.C. Lee, “Digital Control of DC-DC Converter Based on LQG/LTR regulation and Sliding Mode Control,” Proc. Center for Power Electronics (CPES) Conference, September 2002.
Jeong-Hwan Park, B. Yang, A. Homaifar and F.C. Lee, “Digital Control of Asymmetrical Half-Bridge Converter with Range Winding Based on LQG regulation,” Proc. Center for Power Electronics (CPES) Conference, April 2003.
Jeong-Hwan Park, M.R. Zolghadri, Homaifar and F.C. Lee, “LQG Controller for Asymmetrical Half-Bridge Converter with Range Winding,” IEEE International Symposium on Industrial Electronics (ISIE), May 2004.
Jeong-Hwan Park, M.R. Zolghadri, A. Homaifar and F.C. Lee, “Digital Control of Front-End DC-DC Converter Based on LQG regulation,” IEEE Power Electronics Specialists Conference, June 2004.
REFERENCES
Available upon request