Joseph Dinh Email & Phone Number

Title: FIRMWARE VALIDATION AND SOFTWARE QUALITY ENG Project: Validate all released firmware and software quality for LiDAR sensors .• Write test plan per technical release note on new features.• Validate new features, compatibility, and compliance for new release firmwares. Write test results report and document bugs via Jira tickets.• Write Python scripts to test new features, to reproduce field/customer issues, to interact with power supply, Thorlabs devices for input power levels and currents, laser power measurement to perform regression test and corner test.• Meet manufacturing group, firmware group, hardware group for test results and bug fix. Project: Power Cycle test• Design the test box (Raspberry Pi, Relays, laptops) and wrote test script (Python) to automate the read/write to flash the configuration and to detect interrupt sequences in several power cycles. Write test plan on Confluence. Project: Laser power measurements on LiDAR sensors• Write test script to interact with Thorlabs tools to automate the laser power measurements. Write test plan on Confluence. Project: GPS Signals on LiDAR sensors.• Write test script (Python) to automate the PPS, time stamp from LiDAR sensors with GPS. Write test plan on Confluence. Project: Update firmware via web browser.• Write test script (Python with Selenium) to automate the firmware update via web browser. Project: Raw data analysis. Write test plan on Confluence. Project: Raw Data Analysis • Write scritpts to automate raw data capture from LiDAR sensors and analyze for any noise, distance, ghost issues. Write test plan on Confluence. Project: Laser interlock, motor interlock• Write test plan on Confluence on how to perform laser interlock and motorinterlock. Write test script to automate the laser interlock and motor interlock.

Velodyne LiDAR, Morgan Hill/ San Jose, CA – May 2017 – PresentTitle: FAILURE ANALYSIS AND FIRMWARE VALIDATION ENG Project: Validate all released firmware for LiDAR sensors VLP16/VLP32/VLS128/HDL64 .• Write test plan per technical release note on new features.• Analyze the in-house bugs and field/customer issues to identify whether it is hardware bug or firmware bug. Write test results report and document bugs via Jira tickets.• Write Python scripts to test new features, to reproduce field/customer issues, to interact with power supply for power levels and currents, to perform regression test and corner test.• Meet customer support group, firmware group, hardware group for test results and bug fix.• Build, automate, maintain, and support test stations for testing the sensors. Projects: Failure Analysis and Debug Data Packet Loss, PPS and NMEA Signal Loss, Ping Packet Loss, Power Cycle on LiDAR Sensors• Designed the test box (Raspberry Pi, Relays, laptops) and wrote test script (Python, GUI) to test the data packet loss, PPS and NMEA signal loss, the ARP packet loss, the power cycle of LiDAR sensors for FA team and other teams to use in debugging process and production line. Wrote manual document (MPI) for test box usage.• Failure analysis (FA) the data packet loss, PPS and NMEA signal loss, the ARP packet loss, power levels and currents of LiDAR sensors down to chip level and firmware level.• Build, automate, maintain, and support the test stations, oven, power supply for the LiDAR sensors test and power cycle test for production line and customer support team.

San Jose, Ca, Us

Title: SENIOR SOFTWARE/HARDWARE/LAB ADMIN/QA ENG Project: Manage labs, build test beds, analyze system faiures.• Manage multiple Cisco labs and manage power supply to all equipment.• Create topologies, build networks and test beds with multiple equipment.• Debug and analyze system failure down to equipment and to board level.• RMA the failed equipment or failed boards.• Install jump box, vCenter, NAS, DNS server to facilitate all virtual machines.• Build simulated multicast feed for video/audio testing.• Write Python script to check available equipment and IP addresses. Projects: COMCAST Recorder and COMCAST IPnDVR and Lab Setup• Manually test, debug the test cases, and convert them to automation in TCL.• Setup testbed which includes routers, switches, CDEs, DCMs, acces point (AP1250), VMs (ESXi) on UCS for Linux, Windows. • Performed Video feature testing on VoD, Live TV, High Availability (HA), encoding, encryption on different platforms.• Support lab by setting up testbeds and keep track of lab equipment via tracking tool eITMS. • Debug and analyze software and system failure.• Supported customer , debug and analyze software and system failure to zero defect.