SUMMARY:

• Expert in LabView, LabView Real - Time, LabView RIO/cRIO and LabView FPGA with over 10 years of work experience in LabView programming for control, monitoring and automated testing in Defense, Aerospace and Medical Device industries. Proven track record developing LabView application/test software based on advanced architecture and easily maintainable. Extensive hands-on experience testing, troubleshooting hardware, analog circuits, digital and complex embedded systems. Good knowledge of electronic circuit design and complex real-time systems. Experience with system functional testing, design verification test, verification and validation. Excellent problem solving skills, detail-oriented, creative and capable of working under limited supervision and good team player. Good understanding of electronic schematics and designer of printed circuit board layouts (PCB) using ExpressPCB. Good programming skills in C++. Strong willingness and great ability to learn new things.

PROFESSIONAL EXPERIENCE:

Senior Test Software Engineer

Confidential, Orange County, CA

Responsibilities:

• In charge of LabView test software development for automated testing of Defense systems in manufacturing environment. Responsible for the development, deployment, maintenance and upgrade of LabView test software,LabView Real-Time (RT) applicationsusing cRIO/RIO and LabView FPGA. Developing all needed and required
• LabView applications using PXI platforms and programming PXI cards including NI Digitizer, Scope, Power Supply, Relay, Relay Driver Module, NI 7831R RIO etc... Interfacing with Embedded Software Group, Hardware Team andC/C++ developers for developing automated test procedures, defining test requirements and implementing test procedures. In charge of developing advanced LabView test software, technicians on the use of LabView applications and supervising automated test efforts using LabView.

Self-Employed Consultant

Confidential

Responsibilities:

• Provided consulting servicesto Client Companies inDefense,Aerospace,Medical Device,andConsumer Electronics industriesas Senior LabView Software Developer,or Lead Software Engineer and/or Lead Test Engineer. Supervised and/or trained junior Engineers. Developed advanced architecture-based LabView software, LabView Real-Time Applications, LabView cRIO and LabView FPGA. Tested hardware and software and performed troubleshooting of complex systems developed in medical, defense and aerospace industries Projects include but are not limited to:

Test Engineer

Confidential, Irvine, CA

Responsibilities:

• Test Engineer with technical responsibilitiesfordirecting, mentoring andmanaging test team,leading all test engineering effort to verify and validate the functional and performance requirements ofFPGA - based electronic controllerproducts under development.Responsibilities also includethe transition of product developmental requirements into test programs, as well as the generation and maintenance of all necessary Design Verification Test plan and procedure documentation.
• Supportednew productdevelopment, new productintroduction (NPI),developed test concepts, test plans,planned, scheduledandcoordinatedalltestingefforts for FPGA-basedelectronic controllers forSPA bathsystemsfrom R&D concept through release of products.In charge ofperforming hardwaretesting, software testing, hardware and software integration testing,black-box testing,manual testing, automated testing,developing LabView software, ensuring product design for testing (DFT),productdesign for manufacturability (DFM),Installation Qualification (IQ),Operation Qualification (OQ), Performance Qualification (PQ), documentation, peer-reviewetc
• Influenceddesign-for-test(DFT), design-for-manufacturing (DFM), developed and executed test casesunder a diverse collection of operational scenarios, generated the requirements traceability matrix and verified that the requirements are testable. Analyzed data,interpreted results and reported to cross-functionalteams, management, Quality Administration (QA), Software Quality Administration(SQA).Setupautomated test stations and initiated unattendedautomation of test procedures.Implemented strong laboratory safety protocols and prevented subsequent fires in the laboratory environments.
• DevelopedLabViewtest software for automated testing,usedUL recommendedautomated test equipment, Agilent/HP34980A,National Instruments data acquisition systems and standard testequipment such asDigital Multi-Meter (DMM), HiPot Tester, Oscilloscope, RF Spectrum Analyzer,Signal/Waveform Generatoretc
• Designed electronic test fixtures, used OrCAD for schematiccaptureand designed PCB layout using ExpressPCB. Supervised PCB assembly andprocuredadditionaltest fixtures from external vendors.
• Generatedand executedunit-level and system-level protocols forFPGA-based electroniccontrollerssystem per functional requirements and design documents.Performed software unit testing, generated software unit test report and executed software installation qualification withSoftware Quality Administration (SQA).Developed test plans and test strategies,wrote test summary reports for the projects. Shared test data and reports. Participated to daily and weekly meetings, provided updates on test statustodesignteams, Quality Administration (QA) andSQA.Prepared schedules for upcoming test efforts and ensuredcompletionof execution of testsby deadlines.
• Worked closely with UL personnel,followed UL recommendationsandexecutedsafety testsper UL protocols; performed bedded nailtest, UL temperature test, Hipot test, dry fire test etc Achieved end goal ofsecuringUL forFPGA-based electronic controllers forSPA bathsystems.
• Developed documentation and contributed to the improvement of engineering documents including acceptance test plan(ATP),software developmentdocument (SDD), software developmentplan (SDP), software requirements and specifications (SRS),software test plan(STP), test requirement document(TRD), interface control document(ICD), test readiness review(TRR)etc Volunteered as French translators and created product manuals for French speaking customers.
• Executed pre-production tests to ensure that functional product prototypes comply with all requirements.Prepared and assisted transition from pre-production to remote manufacturing facilities.
• Supported RF & Microwave Group with test efforts; conducted tests on RF subsystems up to 20GHz using Network Analyzers, RF Spectrum Analyzer, Oscilloscopes, RF power meter etc...

Sr. R&D Engineer

Confidential, San Carlos, CA

Responsibilities:

• Supported R&D, designand provided test engineering services to Client s Medical Device Companyon cardio - vascular equipment; responsible fordevelopinghardware,mechanical and electronic test fixtures,testingofembedded software and embedded systems,hardwaretesting,performingblack box testingfor cardio-vascular equipmentand subsystems.
• Reviewed engineering documents including test requirements documents (TRDs), interface control documents (ICDs), software requirement and specification documents(SRS),electronic schematics, manufacturing software specification document (MSS) etc
• Translatedwritten requirements into user scenarios withdetailed testcases, teststeps and verified that functionality delivered metspecifications.AppliedQA /SQA sprinciples and methodologiesto develop test cases and detailedtest scenarios. Executedmanual testing,software unittesting, black box testing andidentified test cases for test automation. Improvedtest coverage, effectiveness,efficiency andtraceability.Setup automated test stationsinvolving National Instruments DAQ systems, Agilent test equipmentand third party test systems.
• Developed LabView test software formajorautomated test plans.Wrote C/C++ codesas neededfor testingcardio-vascularsubsystems.Implemented test procedures and methodologies following Company s QA/QC requirements and FDA standards (i.e. IEC60601, ISO 13485). Executed automated tests,collectedand processedtest data,reported test results to cross-functional teams, QA and management.
• Executedtestplansas neededon major subsystems such as pressure sensors, temperature sensors, I/O ports and PC interfaces, User Interface, Front Panel, Touchscreen, Audio Input, Sensors, RS232/ USB/Ethernet ports, Alarms, Power Switch, Power LED, Joy Stick, Rotary Encoder, Speaker, etc
• Participatedin daily and weeklystatus meetings, supervisedand coordinatedwithjunior test engineers and techniciansto ensure plan was executed accordingly.Assistedin on-going process improvement efforts to ensure test planning, execution and reporting was effective and efficient.Initiated engineering changes to processes. Worked closely with QA and development teamstoimplement changes,resolveproblemsand characterizedissues found for reproducibility.
• Executed pre-production test plans andsupportedtransition from R&D functional prototypes to mass production in remote manufacturing facilities in the USA and Japan.
• Insulin PumpPower SupplySystems
• ProvidedR&Dengineering services to Client medical devices Company onthe design of low powerbattery-powered power supplysystemsfor insulin pumps. Designedcircuits,PCB prototyped andsupervised PCB assemblyoflow-powerbatterypoweredpower supply systems for insulin pumps. Used OrCAD forelectronicschematic capture and designed PCB layouts using Express PCB.Assembled PCB layouts and functional PCB prototypes.
• Developed LabView test software for testing Lithium Polymer batteries, power supply systems, insulin pump actuators and subsystems, and embedded software.
• Performedmiscellaneous tests on infusion pumps according to FDA standards includingaccuracy test.
• Collected test data, generated test reports, test summaries and developedengineering documents.
• HandheldUV Fluorescence Detectors
• Team leader for the design and product development forlow-cost, high-performance Handheld UV Fluorescence detectors for analytical chemistry and environmental applications from R&D concept through functional PCB prototypes.Ensured timely completion of tasks related to project.
• Demonstrated and tested low-cost high-performance handheld UV fluorescence detectors.Assisted Client with the transfer from R&D to manufacturing.

Research Specialist

Confidential, Irvine, CA

Responsibilities:

• Responsible for design efforts of Handheld Laser Breast Scanners using frequency domain photon migration spectroscopy. Team leader and responsible for system level design and test efforts of Handheld Laser Breast Scanners from R&D through functional PCB prototypes.
• Researched light and tissue interaction, methods for measuring optical properties of tissues based on transmitted, reflected and scattered intensities. Used beam - splitting method for measuring total attenuation of light by skin-like phantoms (i.e. poly-acrylamide gel). Built integrating-sphere-based test setups for measuring absorption, angular dependence of scattering and double-integrating sphere geometry for the simultaneous measurement of different optical properties; transmitted coherent intensity, transmitted diffuse intensity and reflected diffuse intensity. Computed absorption and scattering characteristics of light based on mathematical models of radiative transport equation (i.e. Kubelka-Munk). Investigated changes in absorption and scattering coefficients due to laser exposure.
• Implemented frequency-domain photon migration spectroscopy (FDPMS) instrumentation technique (1GHz) to combine experimental measurement and model-based data analysis for measuring absorption and scattering properties of breast tissues. Established simplified algorithms based on models for computing concentration of melanin, oxyhemoglobin, deoxyhemoglobin, water and lipid in breast tissues based on gain and phase data.
• Built FDPMS instrumentation consisting mainly of HP Microwave Network Analyzer, four semiconductor laser diodes, Newport Laser Diode Controller, Photodiodes, optical fibers, DiCon optical switch system, RF Switches, RF directional bridge, RF attenuator and bias tees. Conducted measurements on breast tissue phantoms and derived amplitude and phase data. Computed absorption and scattering coefficients at a given optical wavelength and source-detector separation. Derived molecular extinction coefficient, calculated physiological parameters such as oxygenated, deoxygenated, total hemoglobin concentration, oxygen saturation, blood volume fraction and water concentration. Calculated concentration of lipid from scattering data.
• Identified electronic/optical functions associated with each test instruments involved into FDPMS instrumentation, implemented functions such as laser diode control, RF signal generation, RF modulation, laser diode RF modulation path, gain/phase detection, photodetection at printed circuit board (PCB) level. Designed electronic subsystems for handheld FDPMS instrumentation; laser diode driver with temperature control systems, laser diode RF modulation path and impedance matching, photodiode trans-impedance amplifier system, IC-based gain/phase detector subsystem etc
• Integrated subsystems and designed handheld laser breast scanner at system level as a direct result of FDPMS instrumentation PCB prototypes. Supervised PCB assembly and tested functional PCBA prototypes of handheld laser breast scanners. Used OrCAD for schematic capture and designed PCB layout using Express PCB.
• Developed LabView test software for testing handheld laser breast scanners, tested functionality of PCBA prototypes and performed photon migration spectroscopy on animal subject research injected with breast cancer tumor.
• Participated to clinical trials on animal research subjects, performed surgery on rats and implanted breast cancer tumor cells. Monitored growth of breast cancer on daily basis, measured gain and phase data, derived absorption and scattering coefficients.
• Successfully demonstrated proof of concept of Low Cost High-Performance Handheld Laser Breast Scanners. Supported clinical trials on human research subject with Port Wine Stain (PWS) birthmarks.

Post-Doctoral Research Associate

Confidential, Indiana

Responsibilities:

• Investigated the design of high stability two - stage Erbium Doped super fluorescent fiber sources (SFSs) for military-grade fiber optic gyroscopes from R&D concept through breadboard prototypes.
• Developed C++ codes for simulating and modeling two-stage ASE sources.
• Demonstrated and tested Ultra-High stability two-stage SFSsfor military-grade fiber optic gyroscopesat US Navy Spawar Systems Center, San Diego, CA.
• High-speed optical fiber communication systems (40Gbps)
• Conducted R&D efforts on high-speed optical communication systems such as 40Gbps high-speed photoreceivers, 10Gbps Mach-Zehnder electro-optic modulators, 10Gbps Microwave Amplifier Drivers, high-speed optical transmitters, high-speed optical receivers etc
• Conducted testing on RF/Microwave subsystems from DC to 20GHz using Network Analyzer, RF spectrum, RF power meter and Oscilloscopes. Measured S-parameters, BER, eye diagrams etc