Khai Tran

***** ****** **

Fountain Valley, CA

714-***-****

US DoD Secret security clearance

Email: ad1zb4@r.postjobfree.com

Recruiter’s Summary:

Khai has extensive experience working RF Test Engineer. He has a Bachelor of Science Degree in Computer Engineering from California State Polytechnic University, Pomona. He has experience in product planning and generating reports to analyze data, ECR and develop Corrective Actions. He has assembled/installed various mechanical/electronic components and sub-assemblies. He has excellent mechanical assembly skill including soldering, bonding, coaxial cables, test harness. He has supported the manufacturing bench test set-up and trained RF tune amplifiers for technicians during production start-up. He is proficient with RF test hardware such as Vector Network Analyzers, Oscilloscopes, Spectrum Analyzer, PNA and passive waveguide components desired. He is local and available for phone/in-person interview with 1-2 days of the notice and can join with 2 weeks of notice.

Skills:

Working Aerospace and Defense company over 12 years with RF Test

Accomplished RF Engineer with over 10 years’ experience in Wireless Communication

Responsible development systems GSM & CDMA at 800, 900 and 2100 MHz

Feed-forward Linear Hi Power Amplifiers for use in Cellular, GSM and PCS

Agilent E4438C (ESG), GSM, CDMA2000, IS95, Rhode and Schwartz

Agilent PNA E3836B/C Network Analyzer (3MHz – 50 GHz), HP8510 VNA

Lab Window, Lab View, Visio, Orcad Capture, Microsoft Excel & Word

Trained RF technician with over 5 years of experience are included Research & Development, Testing, and Manufacturing of RF active and passive products used in wireless cellular communications, MCPA, Repeaters and duplexers/filters.

Education:

Bachelor of Science Degree in Electronics and Computer Engineering

California State Polytechnic University, Pomona

Professional Experience:

L3 Technologies Torrance, CA 06/2018-Present

Senior RF Test Technician

Experience working Aerospace and Defense company in Torrance California.

Responsible for the RF tuning and testing traveling wave tubes (TWTs) military applications.

Experience with traveling wave tubes and microwave devices, and vacuum units

Troubleshooting and problem-solving skills with Automated Test Equipment / Production Test Equipment. Typical test stations include components such as switch systems, signal generators, spectrum analyzers, oscilloscopes, DMM's, power supplies and other RF related equipment.

Measured in/output return loss, initial start-oscillation and perform short stability test DC unit.

Test transfer curves and Saturation power frequency from 43.5 to 45.5 GHz.

RF Chain Testing Set-up Hot 85C & Cold -55C Process and Record Temperature Cycles data sheet.

Experienced test and set-up equipment using RF measurement equipment such as Senor Power Meter,

PNA 8364B/C, Spectrum, Network Analyzer, Signal Generators, HP8510 VNA.

Familiarity with electronic test equipment and the use of high-voltage power supplies, including high-voltage safety practices. Responsible working in Microwave power module (MPM) device including initial test, altitude test and chamber set-up test units with temperature -40C to 85C hot from 4-8 cycles.Troubleshooting traveling wave tubes (TWTs).

Performing ATE final testing, product test set-up using RF sweepers, RF power meters, vector network analyzers, spectrum analyzers. Waveguides and waveguide couplers, coaxial cables, high voltage power supplies up to 80 kV.

Knowledge of environmental test processes and equipments: Responsible working in ENV Lab including testing and troubleshooting units and set-up bench thermal vac, RF Measurement equipment, saturation output power variation, Temperature over acceptance for TWT, TWTA products for commercial space & military applications.

Knowledge and experience in laboratory testing environmental including Thermal Cycle, Control systems, data acquisition, and instrumentation (thermocouples).

Installation, operational and performance qualification, troubleshoot manufacturing and Quality control equipment for controlled temperature units.

Thinkom Solution Inc., Hawthorne, CA 11/2015-06/2018

RF Test Engineer

Responsibilities: be part of the team working aerospace & defense company on satellite system development and Integration System Test antenna including Calibration Beam Point, Beam Walk and Verification test for RX and TX antennas airplane

Azimuth refers to the rotation of the whole antenna around a vertical axis.

Elevation refers to the angle between the beam pointing direction, directly towards the Satellite and the local horizontal plane, it is the up-down angle.

Experience with hardware integration including installation of components and harness, RF test and troubleshooting hardware component level and peaking near fields

Familiar with Labview GUI test automation tools, and Matlab scripts.

Experience working R&D products & EMI test and set-up, monitor thermal chamber

Experience RF systems set-up with measurement and testing of RF related hardware

Proficient with RF test hardware such as Vector Network Analyzers, Oscilloscopes, Spectrum Analyzer, PNA and passive waveguide components desired.

Comdev USA El Segundo, CA 12/2011-11/2015

RF Senior Test Technician

Responsible working aerospace & defense company with products Passive Microwave Payload Filters, WGS & TDRSS products for Boeing Satellite including test, troubleshot and RF tune filters production line.

Experience Labview set-up units in laboratory test in environment lean room.

RF Measurement equipment, insertion/return loss and calibration of coaxial and waveguide

Tests Ku/Ka band frequencies 12.75-14.5GHz, 30-31 GHz and 44 GHz Rejection

RF tune Filters, Coaxial, circulators and Performed functional tests (ATE), data analyzer

Assembles/installed various mechanical/electronic components and sub-assemblies

Sub-assemblies per Assembly drawing or Process Traveler instruction

Used small hand tools, soldering irons, tweezers, microscopes, torque wrench etc.

Works with epoxy and other chemicals

NASA-STD-8739.3 Certification preferred.

NASA-STD-8739.1A Certification preferred

Ability to read and understand drawing, schematics, build instructions and Test procedures

Excellent mechanical assembly skill including soldering, bonding, coaxial cables, test harness

Hardware integration experience including installation of components and harness and Experienced troubleshot component levels, Burn-in and bench test set-up

Experience preferred in fast-paced production environment with flight hardware.

Knowledge and experience in environmental tests including Thermal Cycle and TVAC

Experienced test and set-up equipment using RF measurement equipment such as Senor

Power Meter, PNA 8364B/C, Spectrum, Network Analyzer, Signal Generators, HP8510 VNA

Panasonic Avionics Corporation Lake Forest, CA 10/2007-12/2011

EMI Test/Sustaining Engineer

Responsible working sustaining engineer development with Audio and video measurement, Maintained the Quality Control System IFE for Boeing and Airbus required conduct/support EMI testing of product to DO-160, Boeing and Airbus requirements

Working knowledge of EMI, set-up test and Environmental aspects of Boeing and Airbus Experienced with Audio measurement and LRU troubleshot associated with EMC/EMI tests, radiated emissions, Conducted Emissions and other specialty EMI test configurations

Integration tests PCBs of LRU and system functionality and documented. Troubleshot & Analyze root cause of any system anomalies/discrepancies in hardware/software.

Product Planning and Generate Reports to Analyze Data, ECR and Develop Corrective Actions

Wireless experienced in Wi-Fi802.11a/b & subsystems tests, RF bench test and Qualification on systems functional ATE tests and Basic command Linux

Performed functional tests (ATE), troubleshot RF circuits component level and LRUs for Environmental Qualification tests labs and test reports. Visio & Orcad capture circuits.

Experienced and familiarity with hardware development tools Mentor Graphic, in-circuit Measurement equipment like PNA, Spectrum Analyzers, Oscilloscopes, Multi-Meters, Network Analyzers, RF Signal ESG, Generators, Power Meter and other test equipment.

Powerwave Technologies, Santa Ana, CA 05/1995-10/2007

RF Engineer

Responsible development Feedforward for CDMA2000/I95 for 800, 900, 2100 MHz with

High power amplifier systems from 10Watts up to 100Watts, perform functional Test and

Troubleshot hardware, optimization and analysis, Optimization for LTE/UMTS/GSM

Improvement Performance of GSM and CDMA network with base-station

Experience working on RF Module, Integration Systems GSM & CDMA

Experience in Software Automation Bench Test and set-up bench test for technicians

Support Design System Engineer, RF tune GSM, CDMA/I95 high power amplifiers (Both discreet devices & modules) for Cellular Base Station

Development and problem-solving skills with Automated Test Equipment / Production Test Equipment.

Test stations include components such as switch systems, signal generators, spectrum analyzers, oscilloscopes, DMM's, power supplies and other RF.

Projects Engineer

Works with system engineer to define components/system requirements

Interfaced with layout design engineering and manufacture engineering throughout Prototyped

and production phases.

Support of manufacturing bench test set-up and trained RF tune amplifiers for technicians during

production start-up. Involved overall project run from schematic design to evaluation prototype

Interfaced with Mfg, and development engineering to ensure product Testability and manufacturability

Supported hardware & Software integration of test solutions on production lines

Integration System Test, RF tune and completed system test

800 & 1900 MHz 25/60Watts, CDMA Power Amplifier

900-960 MHz 50/60-Watts, GSM Power Amplifier

Contact this candidate