Experience

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  Ni (national instruments)

  Sept 2010 - Dec 2011

  Electrical engineering technician

  -Research & Development of 9502 servo & stepper motor driver-worked closely with hardware, software and mechanical engineers to devolp new product. -Level 2 & 3 solder rework for prototype testing-circuit rework and component level troubleshooting-EEPROM (Electrical Erasable Programmable Read Only Memory) to test and enhance prototype.-Verification & Validation documentation after each process of devolpment-Board Level circuit design along with software programing.

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  Blacksand technologies

  Jun 2011 - Dec 2011

  Electronics engineering technician

  At Blacksand Technologies I helped in the R&D department to develop an RF application ASIC that included a on chip bandpass circuit. More of an intern position.- Worked closely with Hardware Engineers to develop an ASIC (Application Specific Integrated Circuits)- Level 2 & Level 3 soldering - Circuit rework - Preformed tests and troubleshoot on prototype devices - OTP programing (understanding opcodes, addresses and assembly)

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  Flex

  Sept 2011 - Dec 2011

  Engineering debug technician

  At Flex I was a functional debug technician and would troubleshoot fiber optic servers that had very dense digital processing circuitry with several EC (Embedded Controllers), flash memory (BIOS) to sequentially check hardware on startup, multiplexers, DDR & LPDDR RAM validation. I helped develop automated test systems of server racks that were made to test various data pathways, busses, chipsets and circuit sections. - Diagnosed and isolate hardware issues on RMA server- Worked with Test Engineering team for ICT (In Circuit Test) using BT Basic- Used Linux FHS (Filesystem Hierarchy Standard) to debug sections of server’s software and hardware- Troubleshoot with diagnostic software created with FHS along with circuit schematics to isolate malfunctioning areas of circuit- Used schematic and PCB layout software was used to aid troubleshooting and locate components from layout- System and component level troubleshoot for fiber-optic network servers (Items with dense digital processing) - Creating ECO's finding & replacing defective component (component level troubleshooting) using View Expert, PCB layout software for component location & signal trace), testing with DMM digital multimeter and oscilloscope to verify malfunction- SMD Circuit rework soldering level 2 & Level 3 soldering - Maintained ECO & MCO’s Show less

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  Flex

  Oct 2021 - Feb 2023

  Engineering debug technician 3

  At Flex I was a functional debug technician and would troubleshoot fiber optic servers that had very dense digital processing circuitry with several EC (Embedded Controllers), flash memory (BIOS) to sequentially check hardware on startup, multiplexers, DDR & LPDDR RAM validation. I helped develop automated test systems of server racks that were made to test various data pathways, busses, chipsets and circuit sections. - Diagnosed and isolate hardware issues on RMA server- Worked with Test Engineering team for ICT (In Circuit Test) using BT Basic- Used Linux FHS (Filesystem Hierarchy Standard) to debug sections of server’s software and hardware- Troubleshoot with diagnostic software created with FHS along with circuit schematics to isolate malfunctioning areas of circuit- Used schematic and PCB layout software was used to aid troubleshooting and locate components from layout- System and component level troubleshoot for fiber-optic network servers (Items with dense digital processing) - Creating ECO's finding & replacing defective component (component level troubleshooting) using View Expert, PCB layout software for component location & signal trace), testing with DMM digital multimeter and oscilloscope to verify malfunction- SMD Circuit rework soldering level 2 & Level 3 soldering - Maintained ECO & MCO’s Show less

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  Quantic electronics

  Oct 2022 - Sept 2023

  Rf engineering technician (r&d)

  At Wenzel I worked with the R&D group to help design, test and produce various prototypes and production models for oscillator circuits, filters circuits, attenuators, amplifiers, frequency multiplier and divider circuits for RF applications. -System and Component level troubleshooting -PSpice software for circuit simulation -Used Spectrum analyzers for harmonic measurements, spectral purity and power output (dBm)-Used FSWP and various Phase Noise Analyzers to graph phase noise and spectral purity compared to noise floor -Used PCB layout software (Pads, Altium and Mentor Graphics) -Vibration testing on shake table for phase noise, validate specs of accelerometers and signal validation on up to three axis-Thermal testing in high and low temperatures in large thermal chambers- Allen Deviation testing for quarts crystals on oscillator circuits as crystals degrade over time Show less

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  Empowered creations

  May 2023 - Apr 2024

  Controls engineer

  Setup for manufacturing system using Allen and Bradley PLCs for local business (Empowered Creations), in Austin AX

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  Amd

  Aug 2023 - Oct 2023

  Debug engineer

  Collaborated with Power Management, Memory Validation and System Engineering teams assisting across multiple groups. -RTL (Register Transfer Level) testing and design with Memory Validation. -Read & validated memory maps & ABL logs through SPI ports using terminals like Putty for DRAM & LPDDR memory validation. -Wrote code to validate memory maps by comparing Hexadecimal values on R/W and debug any errorswith R/W to and from DDR & LPDDR-Read and analyzed circuit schematics and cross reference PCB layout using Cadence Allegro editor-Analyze component data sheet and limitations with in circuit-Reroute PCB layout traces using Cadence Allegro software -Used oscilloscopes for signal analysis, capture and validation (Propagation delay, over-shoot/undershoot, jitter)-Troubleshoot circuits and SMD circuit rework -Programed, modified and loaded BIOS .fd files to test hardware& I/O communication on startup and POST (Power On Self Test)-Validated typical intra-board buses. I2C, SPI, UART, PCIe-Used software tools to modify and monitor CPU clock speed and fanout voltages to find failure point. -Analyzed propagation delay & jitter on digital signals that could cause system effect the system Show less

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  Apple

  Apr 2024 - now

  Test engineer

  SERDES analysis (PHY signal analysis)-Characterization & System Testing for SoC-Worked along side post silicon validation engineering team testing conducting Characterization Testing, four corner testing (FF, FS, SF, FF), DVT (Design Verification Testing) and final System Testing-Signal analysis of RX & TX PHY signals with UXR Oscilloscopes eye diagrams while inducing ATPG (Automatic Test Pattern Generation) with JBERTs at high speeds to test SoC send and receive limitations. -RTL (Register Transfer Level) verification of SoC to ensure their functionality-Debugging test stations-SMU (Source Measurement Unit) testing differential analog signals-Circuit rework and modification-Use of VNA (Vector Network Analyzer) to eliminate various noise factors and analyze s-parameters impedance limitations in test setup from DUT (Device Under Test) to test equipment via SMAconnectors, cabling, coupling devices, etc then generating .sp1, s2p, s3p, s4p files to eliminate factors from DUT to measurement device. -Assist in coding measurements using Python taken during serialization PLL (with reference clock) output stage (TX) and input stage (RX) clock and data recovery (CDR) deserializer.-Assisted with PLL (Phase Lock Loop) on TX (transmit) and RX (receive) CDR on RX (Receive) signal analysis with “Eye Diagram” to analyze noise, signal loss and jitter. -Thermal testing on single SoC & integrated system level Show less