SUMMARY:

• Responsible for building, debugging software, developing, maintaining software development lifecycle, Jenkins CI, Maven, Apache Tomcat, Agile software development process, Scrum framework, the waterfall model, and modifying program, executing software test plans, analyzing, writing test scripts, documenting manual and automated tests to ensure quality of products and provide software validation and development service for Network Ethernet products including server adapter, controller, router, switch silicon and data science and machine learning, virtual machine, data center storage, data structure.
• Write, update, maintain computer programs or software packages, analyze test result, review and contribute to instructions and manuals to guide end users, Use Case Testing, TDD, BDD, UAT, muti - level (unit, integration, interface, system) testing of device drivers, package, modules.
• Hands-on setup, configuring, troubleshooting permutation of software, hardware, and network configuration and unit systems and identifying, reporting software and hardware defects.
• Hands-on experience with OSI module layers, Nortel, Cisco L2/L3 Routers/Switches, Server/Client, SAN/NAS, TCP/IP Stack, Security Technologies, OpenStack Networking, Network Infrastructure, CDN, Network Wireless 802.11 a/b/g/n/ac LTE, Bluetooth, Layer 2/Layer 3, VLAN, STP, LAN/WAN, OSPF, ISIS, Data store, Repository, NMS, CLI, CDP, Optical Networks, Virtual Machine, Cloud Server, Digital Signal Processor, Microprocessor, Microcontroller, U-Boot, BusyBox, VxWorks, Bootloader, Toolchain, Root Filesystem, OrCAD, Mathlab, System On Chip, NAND Flash Chips, Audio/Video Technologies (HDTV, DVB, ATSC), DRM, HDCP, Storage (HDD, iSCSI RAID controller, NFS, CIFS), Set-top-box, TV LCD, Monitor Display, Android, Smartphones, Tablet and Medical Monitoring Units.
• Experienced in C++/C#, Python, Java, web application framework Django, web services, REST API, Selenium/Webdriver, AWS EC2, Cloud Computing, NET, Maven, Jenkins CI Docker, GitHub, Teamcity, HTML5, AJAX, XML, JSON, SOAPUI, WCF, HTTP Request/Response, SQL, NoSQL, RDBMS, Oracle, OS Browser, VMware ESX, Interface Bus (JTAG, I2C, UART, SPI, I2C).
• Knowledge of OS (Android/Windows/Linux), QEMU/KVM, Ubuntu, GNU, GCC, ARM, RTOS, PowerPC, MIIPS, Power Shell, Active Directory, Bash Shell, SQL Server 2008, Visual Studio IDE, Google Test Framework, Microsoft Office/Excel
• Hands-on approach complex problem-solving, debugging and good troubleshooting tasks with creativity and mindset.

PROFESSIONAL EXPERIENCE:

Confidential, Santa Clara, CA

Test Engineer

Responsibilities:

• Responsible for debugging software products, developing, applying, maintaining software development lifecycle, modifying, executing software test plans, analyzing, writing test scripts, documenting manual and automated tests to ensure quality of our Android devices, smartphone, tablets, electronic consumer products.
• Analyzing test results to ensure correct functionality, determining root causes of failures and recommending corrective action, consulting with development engineers in resolution of problems and providing feedback in preparation of technical appraisals of programs and computing software products
• Responsible for setting up, configuring, testing and compiling programming methods, functions, Android devices, smartphone, tablets and performed test design boards, integration, configuration and implementation of Confidential ’s wireless environment and device drivers or Mobility Video/Audio, Web Services, Android API, REST API, Access Point Network, device manager, filesystem manager.
• Hands on testing and configuring openstack, puppet network management tools, router, switch, network protocol, wireshark, iperf.
• Analyzing test results, identifying document, report root causes for test failures by working with the development team and the defect tracking system, Git, Jenkins.
• Hands on verifying, validating, executing comprehensive activities for software/hardware and implementing embedded firmware, Flash NAND, Bootloader, Confidential wireless connectivity product (TCP/IP, UID, Host Networks, Wireless, Bluetooth, Routers, Switches), Camera, RTOS, Video/Audio, DVR, Video on Demand service delivers, network TCP/UDP Tools, app applications, drivers, includes design, development, configuring software/hardware, and maintaining Engineering lab.
• Hands on performed troubleshooting of network, IP Network, 802.11 a/b/g/n/ac wireless data communications in hardware and software application and software app.
• Hands on headers, error numbers, handle, descriptor types, sockets, I/O controls, shutdown semantics, client/server connections, network logging service, outputs logging records, collects formats, HTTP acceptor, handler, web server, single/multiple threads.
• Maintaining, managing window (windows 2008, 7/8 server, Linux OS Ubuntu, VMware) for testing lab, remote access, host and clusters, storage and data sharing, remote server, network connectivity, configuration ports, iSCSI software adapter.
• Knowledge of Unix, Linux Kernel, and window platforms, Android ios platorms, Database, Python, Java, VMware, Hadoop DHFS, MapReducing, Shell Scripting, Puty, JTAG, Bugzilla, Jenkins/Git, VMware, Cloud Computing, Eclipse, Visual Studio.

Confidential, Samta Clara, CA

Embedded Test Engineer

Responsibilities:

• Performing UI, developing, evaluating, testing, troubleshooting, implementing, maintaining, software and hardware design development, embedded firmware and test plan, test cases, unit tests any modifications made, test reports and analyzing software quality metrics throughout software life cycle, performed video recording, automated test framework in record action in creating automated test scripts.
• Validating functionality and performance and against specifications for board and box-level products dat are rich in video, signal processing and control functionality.
• Ability to troubleshoot startup, run and debug the Linux Kernel, kernel module, kernel probes, debugging embedded Linux and file system, source file, address function, system crash, local disk, remote disk, memory leak, deadlock detection, boot time, flash NAND, log file, console, call stack, parallel port, device driver, Serial port, Linux test project, user mode,, make file gdb debugging,, KVM, KDB, GNU, Ubuntu, Bash Shell.
• Executed and tested video chip features for Set-top-box, firmware software graphic driver 2D/3D, application graphic driver, integration, decoder/encoder MPEG-2, H.264, analysis of processing functions, deinterlace, pictures, scalers, video processing HD DVR.
• Performed functional test of DVB TV, DVR, ATSC, Frame rate, DRM, LVDS, DVI, HDMI, HDCP, RGB,, GFX, FB drivers, Digital Video Processing, NTSC/PAL, tuning color calibration test, configured the simulator, embedded C, builded the target, controlled port pins, delay functions.
• Performed self-testing methodology in SoC, functional self-test, embedded-test overall timing accuracy, external automatic test equipment, DFT features, at-speed test support for (logic, memory, processors, analog, multiple high speed, analog to digital converters)
• Performed labs driver development, all functions, Set-top Box, Video/Audio Streaming, IPTV, Video/Audio Codecs, LCD TV, DVI, SoC, GPIB, RS-232, I2C Debugger, Streaming Video/Graphics, DirectX, Linux OpenGL library C++, Grid of Thread Blocks (Memory, Runtime, Device Memory, Share Memory, System Tuning, Calibration, Profile and Graphic Performance.
• Experienced in Microprocessor, Microcontroller, DVM, Oscilloscopes, Signal Generator, JTAG, RTOS.
• Experienced with Analog/Digital Design, software/hardware architecture, embedded firmware, board level debug, design, system level
• Integration, hardware design such as implementing hardware circuit blocks in analog and digital, System-on-Chip, ARM/RISC/Atmel AVR, processor, embedded processors, embedded system, microcontroller MCU, FPGA, VHDL, ASIC, Digital Signal Processors, MOSFET, FET, IC
• Knowledge of Linux Kernel-based, Windows OS/CE, VMware, QEMU, Unix, Shell Scripting, C/C++, Java, Python, Database

Confidential, Milpitas, CA

Software QA Engineer

Responsibilities:

• Responsible for testing and developed test programs, test scripts, and executed manual test cases, embedded firmware for medical deives.
• Performed software integration test and implemented quality assurance reviews for code regression test analysis for hand held devices.
• Followed and executed software engineering test plans and protocols, and noledge of C++, Linux, embedded Software.
• Executed test cases and documented test results and corrected program errors using JTAG interface.
• Found to identify meal-related patterns, high and low blood glucose levels using hand-held Meter
• Worked with QA manager to improve QA processes, procedures and documents and file reports on the defects of the product.
• Performed regression test, logging, tracking and resolution verification of defects
• Experienced in Visual Studio, C, C++, Unix, Linux, Shell Scripting, OneTouch Delica System

Confidential, Campbell, CA

Software Development Test Engineer

Responsibilities:

• Performed multiple platforms, created test cases, test suites, a test to assert item, verify items on the page, multiple windows, tested against AJAX application, stored elements, debugged tests, recorded test actions, created selenium (remote control tests), selenium.
• Developed and executed test suite, test unit, test reports, test case, test script, DOM, log,
• Performed test programs, manual and automation testing tools (Selenium, QTP, Testing Center)
• Analyzing test results, identifying document, report root causes for test failures by working with the development team and the defect tracking system.
• Developed and performed, documented Automation scripts, validating, Recording and Black box testing
• Performed regression, functionality, load, performance, stress, and scalability test
• Performed web monitoring, mobile load testing, data center, web pages and analyzed product controller class behavior of method, and worked with bug tracking databases, problem reports, crystal reports.
• Created REST service, XML, Request, Response documents, Search Functionality, HTTP methods, URL, JSON, Jason, AJAX, XML format, Git, data storage, SQL cluster, SAN, Network Load Balancing, Java Library Files, Testing Web service, API
• Created tables, data elements, OLE DB connection, database concepts, including some hands-on SQL experience
• Understanding of the QA testing process, SDLC, CVS
• Performed system monitoring and security, installed packages and Patches, configured firewall using checkpoint, Firewall.
• Experienced with web services, IIS, SSL, HTTP, SMTP, SNMP, Window Active Directory, Apache, WebSphere Application Server 6.1, Load-balancers.
• Setup and software installation SQL Server, Windows OS, Linux/Unix OS, Solaris OS, file system manager, device driver manager, device driver, network manager.
• Experienced in Visual Studio, C++, Java, JavaScript, HTML, XML, Visual Studio, QTP, Unix, Linux, Shell Scripting, SQL Server, Oracle.

Confidential, San Jose, CA

Sr. Test Technician

Responsibilities:

• Repaired Redback network telecommunication equipments and performed diagnostic duties, tested and troubleshoot to system and component level for Redback Networks, Riverbed systems using Linux tools, Vxworks, and interfacing with both product engineers and customers, and troubleshooting board level and boot problems.
• Experienced with embedded firmware, firmware programming such as FPGA chips, Xilinx, Altera, Linux, Vxwork.
• Experience in network testing and bench marking tools (Ixia, netperf) and performance measurement and analysis.
• Installed, configured, reworked AC/DC power circuits and repaired PC Boards, Redback network Boards, system hardware, software, memory, Network daughter cards.
• Experience with L2/L3 protocols (VLAN, STP, RSTP, IGMP, Snooping, RIP, OSPF, BGP, IPv4, DHCP, DNS, SNMP, Multicast Ethernet.
• Having validation experience of Ethernet driver, understanding the software product life cycle
• Set up and run tests on network hardware and systems, troubleshot new designed board level computer network hardware.
• Used equipments and tools including DVM, Oscilloscopes, JTAG system, I2C, embedded firmware.
• Proficient in Linux scripting language, Tcl/Tk, OSI model, Linux, Unix, Vxwork, FPGA, Altera, VHDL, Microprocessors, Microcontrollers, Shell Scripting

Confidential, San Jose, CA

Unix/NT System Administration

Responsibilities:

• Assisting to Administer Unix and PC systems, as follows:
• Installed, implementing, migrating software system (OS, Solaris, Sun OS, Windows 2000/NT Servers) and application software on Unix & NT systems, Packages, Patches.
• Charged with installing, supporting, maintaining servers, computer systems.
• Performed backup of applications such as Tape storage, SAN/NAS, and format SCSI hard drive, configured system volumes
• Configured HA on a Host, Network Adapters for Solaris OS, Windows 2000 Server in multiple CPU Virtual Machines
• Configured and monitored disk storage Quota Management, shared disk
• Set up Windows NT accounts for students, Security, web application windows.
• Configured Network Software and Hardware, SNMP, NFS, Encryption, Security, Web Service, Web-based Application, SMTP, TCP/IP, HTTP, XML, HTML, Telnet, Window Active Directory, VMware.
• Maintained and operated a computer system, network, Routers, ATM, Ethernet Switches, Networking, Printer, SCSI, HDD
• Troubleshot software and hardware failures and developed strategies for resolving, analyzed problem.
• Experienced in Tcl/Tk, Shell Scripting, Linux, Unix (Solaris, SunOS, Ubuntu).

Confidential, Santa Clara, CA

Sr. Test Technician/Engineer

Responsibilities:

• Repaired network telecommunication equipments (Ethernets, Router, ATM Switches, FDDI, Frame Relay), project managing internal teams and managing repair, installation, configuration of customer premise equipment for VoIP, WAN connectivity to customer LAN, and performed functional, configuration and system test on high end products such as ATM switches, Routers, Fast Ethernets, HDD
• Developed firmware tests, embedded firmware for networking devices, interfaced new products, features with development engineers
• Performed file management system, debugged filesystem, boot time, kernel problem, traced kernel execution, examined memory, memory leak, log timestamp, system log file.
• Performed test bed, tested using various network configuration, embedded systems and networking protocols, Smartbits network traffic generator
• Wrote function, configuration and test case, analyzed defect report, and automation test script, verified defects, test matrics.
• Working noledge of telecommunications and data networking test equipments, IP Layer 2/3 Switching, Routing, Perl, Optivity Network Management System (NMS), SNMP, Unix, Linux, Ixia Smartbits.
• Created a separate iSCSI network to isolate storage traffic for servers and VMkernel port for the iSCSI device to communicate and network environment Switch configuration, tuning, SSH configuration, NFS, CIFS, CSMA/CD, Fibre Channel, viewed logs and ran vCenter server, and created the port group, added host to a cluster
• Tested and verified the firmware of the storage adapter driver, the disk test by doing random raw read and write, disk stress, and HBA API compliance test, LUN properties.
• Experience with L2/L3 protocols (VLAN, STP, RSTP, IGMP, Snooping, RIP, OSPF, BGP, IPv4, DHCP, DNS, SNMP, Multicast Ethernet.
• Diagnosed and viewed ARP, IPv6, HBA, Ping, Windows Event Logs, Connection Error Log, RAID, HDD.
• Experienced in Shell Scripting, Perl, Tcl/Tk, C/C++, Linux, Unix, Solaris.

Confidential, Milpitas, CA

Test Repair Technician

Responsibilities:

• Repaired and supported application questions, and production hardware PC, Motherboards, CPU, Microprocessors, Network Boards, DMA, PC Modem, computer system.
• Performed component level diagnosis, reworked, tested and troubleshot PC Board level and down to component level,
• Ability to diagnose and support bug fixes, prepared functional specifications, BOM, for network PC products or product changes, as well as responsible for debugging, testing and troubleshoot network products
• Experienced in Shell Scripting, Microsoft Excel, Words, Windows and Mac platforms.