Daouda Thiongane

**** ***** *****, ********, ** *4801

Cell 510- 693-6165 Home 510-***-**** adnh3i@r.postjobfree.com

OBJECTIVE

Seeking a position as an Electronics Engineer or individual contributor in the Technology field where I can utilize my skills and experiences.

PROFESSIONAL EXPERIENCE

Work market: IT & Electronics Field Support (San Francisco, CA)

3/2020 to 3/2021

Debug, fix electronics systems (vending machine, electronics doors, sensors on customer’s site.

Setup network printers and install network systems and wireless security systems in many sites

Installation of cash register, printers for POS (Banks, Shopping center, Hospital)

Full installation of cables, IP phones, Printers, Scanners and Network setup

Racks installation, setup, test with cables, certification and management in data center

POS, Pin pad installation, printer with cash register configuration

Troubleshoot, debug, investigation of network and telecommunication related problem

Break and fix various electromechanical system

Setup, repaired, fixed high-end laser printers and scanners

Installed electrical, electronic parts and hardware in housings or assemblies using soldering equipment and hand tools.

Network Cut over for ATT, Verizon, Sprint in many sites

Fiber optic splice, test and installation in network room

Installation of wireless AP (access point), camera in many locations (Airport, bank, big box(target, Walmart)).

Project support in all California and some out of state.

Microsoft Corporation: Cloud Lab Engineer (Sunnyvale, CA)

3/2019 to 3/2020

Bring up and test network device and debug systems

Configuration of Azure and upgrade to newest version

OS Installation in Microsoft, Linux, and racking of all networking equipment (Servers,Router, switches, firewall, UPS)

Troubleshoot and investigate all network connectivity issues for customer and developers

Memory upgrade and allocation for all machines

Test NMVEs, SSD and HDs for various brains name (intel, Wds, micron, Hp, Sony, etc..)

Ship configure systems worldwide after setup

Fresenius medical care: R&D lab manager (Concord, CA)

9/2018 to 3/2019

Bring up and test medical device and debug systems

Setup and control incoming asset for all test equipment

Request for calibration and verify all ESD related issue

Build prototype and troubleshoot system boards

Repair, rework FPGA, QFN verify and test defect system for resolutions

Support all project with different group (hardware, software etc)

Update ECOs, buy electronics part and component for new project

Assist engineers in finding component for their projects.

Help design and outsource projects parts and component

Designed and modify design for better fit and upgrade

Calix Inc: Hardware test engineer (Petaluma, CA)

9/2017 to 9/2018

Bring up and test telecom hardware system (Serdes, DDR4L, I2C).

Analyze and investigate switches, power modules, temperature sensors

Run traffics in SFPs, XFPs using Spirent traffic generators on GPONs system.

Using Tektronix, Agilent high end equipment to measure clock, data and eye diagram specific to CPU, Qumran, and DDR4L.

Verify signal integrity using high end oscilloscope and network analyzer, spectrum or power meter.

Familiar with analog to digital converter circuit designing

Using Mentor graphic (PAD), Allegro and Cadence for design, modeling and simulations

Experience in schematic capture design or PCB layout

Experience in creating footprint and library features

Have used python, Tcl to run script and test system

Knowledge of microwave principles such as parasitics, resonance, loss, impedance matching, S-parameters

Work Market: Technical Support Engineer (Bay Area, CA)

11/2016 to 9/2017

Debug, fix electronics systems (vending machine, electronics doors, sensors on customer’s site.

Setup network printers and install network systems and wireless security systems in many sites

Installation of cash register, printers for POS (Banks, Shopping center, Hospital)

Full installation of cables, IP phones, Printers, Scanners and Network setup

Racks installation, setup, test with cables, certification and management in data center

POS, Pinpad installation, printer with cash register configuration

Troubleshoot, debug, investigation of network and telecommunication related problem

Setup, repaired, fixed high-end laser printers and scanners

Installed electrical, electronic parts and hardware in housings or assemblies using soldering equipment and hand tools.

Network Cut over for ATT, Verizon, Sprint in many sites

Fiber optic splice, test and installation in network room

Installation of wireless AP (access point), camera in many locations.

Project support in all California and some out of state.

Oracle Corporation: Hardware Engineer (Belmont, CA)

1/2016 to 11/2016 End of contract

Bring up high speed systems, test debug and rework.

Full chassis assembly, with modules and run all functional tests

Adjusted and replaced defective circuit and electronic components, using hand tools and soldering irons

Assembled, Setup and install chassis in network racks and run all scripts for future use

Modification of hardware and make recommendations for better performance

Used Jira to report modules and chassis status for progress

Inspected, updated firmware version of all programs installed

Using CAD, allegro to design and update layout and mechanical design

Schematic capture design, footprint creation with library update

PCB design and layout with library part creation

Rework repair and troubleshoot PCB board to comp

Analog and Mixed Signal IC Circuit designing experience using Cadence, Allegro

Hardware debug, test and rework pcb memory module

Signal integrity evaluation and measurement

Cisco Systems INC: Hardware Test Engineer (San Jose,CA)

7/2014 to 11/2015 End of contract

Hardware debug, testing switches (NC24, 72, 96)

Bring up switches system, storage system and routers

Rework pcba and take measurement for signal integrity

Fix RMA system from customers and re-test

Hardware debug, test and rework memory module

Setup networks and VLans on different types of switches

View and use mentor graphic to design and export to allegro and vis-versa

Rework repair and troubleshoot PCB board

Analog and Mixed Signal IC Circuit expertise

PCB designing, troubleshoot experience in analog, digital, and mixed signal circuit

Analysis and debug many systems to component level.

Lab equipment setup (configure servers, network switches) for testing

Design and support of test fixtures and electrical/optical test systems from DC up to more than 50 GHz

INTEL CORPORATION: Engineering Hardware and debug support (Santa Clara, CA)

4/2012 to 7/2014 end of contract

Hardware debug for RMA, test and rework memory module

Fine pitch rework and eco support

Experienced using high end thermal chamber and mechanical testing

Supported Wireless and tablet teams for bring up and testing

Tested and debug wireless devices using scripts in windows and linux environment, C++, Unix

Tested 10Ghz, 40Ghz nic cards in linux setting using traffic generator to monitor data

Built and fix different types of electronics modules supporting server base station

Worked closely investigating thermal issues related to server base station

Eco upgrade and firmware load in many settings

Bring up and testing SoCs, server boards, windows tablets and many other systems

Tested and troubleshoot WLAN Physical layer (PHY)

Used Matlab, Zemax. Matcad, labview

PCB design and layout using Cadence, Allegro or PCB123

INNOVATIVE INTERFACE, INC: Technical support engineer (Emeryville, CA)

11/2005 to 3/2013

International and US Support and setup network related issues

Troubleshoot, debug software used in library for universities and counties

Support servers like Sun Microsystems, HP, IBMs etc

Experience in supporting Windows, Unix, linux, C++, SUN Solaris, IBM, Oracle and MySql database

Supported RAID features, UDP, HTTPs, Java, Web services etc...

Setup, analyze, debug and troubleshoot Wlan network connectivity

Built, assembly, bring up storage system and test

Network Administration, TCP/IP, Backup (Amanda, disks), Systems recovery, System upgrade etc.

Systems restore and update to new version remotely

Rack switches, Cluster switches with blades of network ports

Test, debug, run script using Tcl, Linux, Python, C++

RAMBUS, INC : Engineering technical support (Sunnyvale, CA)

11/2011 to 4/2012

Test, troubleshoot and rework memories module devices

Used high end microscope to rework and debug in fine pitch environment

Used Matlab, Matcad, Labview and Zemax

Test setup and test variety of electronics devices Used, operated many RF test equipments (Network, Spectrum Analyzer, power meter etc.)

Tested and characterized RF modules from 1gig up to 65Ghz (ADC, DAC, VCO, Mixers, PLL, Power Amplifiers, Synthesizer, Filters etc.)

Bring up and probing high end RF devices using powerful microscope to probe tiny chips

JOHNSON & JOHNSON: Senior PCB debug

12/2008 to 11/2011

PCBA testing and assembly for medical devices

used Express PCB to update and design layout test board using IPC standards

Failures analysis and R&D electronics support

Using high end microscopes (Meiji, Nikon) to assembly, to solder or de-soldering SMD and BGA components and modules.

Clean room protocol with ISO 9001 and FDA certified under ESD free environment

Trouble shoot and tested tiny devices used in medical field

Rework repair and troubleshoot PCB board

Used Cadence, mentor graphic to design and stimulate circuit

ADEPT TECHNOLOGY, INC: Senior PCB-RF Technician (Livermore, CA)

6/2008 to 12/2008

Reworked and tested bare board modules according IPC 600,610 using schematics and layout

Built and tested cables with different connectors using TDR tester

Tear down Bare and PCB board modules and update to new ECO

Built, drill and test in house fixtures prototypes for future model

Repaired, soldered and de-soldered various SMT components (0603, 0402, 0201) and BGA under the microscope with hot air vacuums

Clean room protocol with ISO 9001 certified under ESD free environment

CLEAR-COM Communication systems: PCB-RF Technician (Alameda, CA)

7/2005 to 6//2008

Using Schematics and layout I have been troubleshooting different Communication PCB modules at component level

Reworked, tested and fixed various and complex RF modules and RF PCB boards using IPC standards

Soldered and de-soldered various SMT components (0603, 0402, 0201 ) and tiny SMD and BGA under the microscope with hot air vacuums

Fixed and assembled many kinds of intercom and Radio modules used in TV and military sectors.

Built and tested data and voice cables with different connectors using TDR tester

Updated and reworked to new ECO applying IPC 600, 610

Clean room protocol with ISO 9001 certified under ESD free environment

Tested and verified chips used to interface microphone and telecom devices

Used, operated many RF test equipment (Network, Spectrum Analyzer, power meter etc.) to test, characterize modules (ADC, DAC, VCO, Mixers, PLL, Synthesizers, Power Amplifier, Filters etc.

SBC COMMUNICATION: Telecom /DSL/network & R&D Engineering Technician (San Francisco, San Ramon CA)

05/2004 to 7/2005

Troubleshoot, installed and tested DSL for customers (business/residential), solved many technical issues related to software and network problem

Built and tested data and voice cables with different connectors using TDR tester

Used, operated many RF test equipment (Network, Spectrum Analyzer, power meter etc.)

Tested, characterized modules from 10Mhz to 20Mhz (ADC, DAC, VCO, Mixers, PLL, PA, Filters etc.).

Designed, assembled, reverse engineered PCB boards, used Express PCB and Mentor Graphic PAD designer software to layout PCBs

Used high end microscope assisted with hot air vaccum to assembly and rework fine pitch components

Hand soldering of SMD parts (0201, 0402, 0603) using microscope and handheld heat guns (MetCal, Weller)

Research and Kitted parts from BOM and assembled drawings to implement rework from redlines or schematics

SMT rework including fine pitch BGA, QFN, QFP, TQFN and using small rework station (soldering, de-soldering)

Used and read schematics to troubleshoot and to test different stages of PCB boards

Building of cables, connectors and harnesses

Used and operated lasers workstation to check and verify deficiencies for pins or soldering integrity (shorts and open)

Clean room protocol with ISO 9001 certified and ESD free environment

INTEL CORPORATION INC: Intern Test Engineer (Newark, CA)

01/2004 to 05/2004

Tested, assembled transponders for different companies, Cisco, Alcatel, Foundry, and Extreme

Optical-Mechanical assembly and computer testing of transponders using Labview software

Optical-Mechanical alignment and troubleshooting

Building of sub-assembly of optical and system level Test Platforms

Clean room protocol (ISO 9001) and ESD free environment

Worked in GNSS system and protocol testing for satellite and Glonass systems

Used labview and Matlab for testing

LANGUAGE FLUENCY:

Fluent in French

Read and Write Spanish and Arabic.

EDUCATION

Accredited

Master of Science in Electrical Engineering

San Jose State University-San Jose, CA:

Emphasis in Analog- Mixed Signal (AMS)

Accredited

Bachelor of Science Electronic Engineering Technology

DeVry University-Fremont, CA: February 2004.

Cumulative GPA = 3.50. Dean’s List.

Theoretical and hands on electronics systems analysis, design and operation.

Emphasis on IC design, control systems, optical principals and mixed signal analysis.

Basic Networking and Software Skills. Fiber-optic network fundamentals.

MS offices tools (DOS, Word, Access, Excel, Power Point, Visio)

Courses in: Communications, Digital Signal Processing, Physics, Analog, Mathematics, Project Management, and the Humanities.

Senior Project: Complete design, construction, testing and presentation of Stud Vision

Associate in Applied Science Degree in Computer Networking Technology

Associate in Applied Science Degree in Electronics Technology

Heald College School of Business & Technology -San Francisco, CA

1997-1999: Dean’s List.

Theoretical and hands on electronics and computers systems analysis and operations.

Emphasis on electronic circuits and mixed signal analysis.

Basic Networking (NT 4.0) and software skills, MS offices tools (Word, Access, Excel, Power Point, Visio)

PC skills ranging from base build of systems to minor programming and data base management in the Windows environment.

Basic Industrial Engineering and AM - FM radio built and tested all different stage.

Senior Project: Complete design, construction, testing and presentation of Power Supply with two different output voltage.

Daouda thiongane

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