Tai Nguyen ***** Pavilion lane, Fairfax, VA *****

Cell: 571-***-**** E-mail: advgg7@r.postjobfree.com

SUMMARY

Experienced RF professional with more than 5 years of experience in wireless data, and LTE, VoLTE, GSM wireless network experience. I have focused on RF Engineer throughout my career. I want to develop this expertise by extending my knowledge and skills in performance test experience.

COMPUTER Programming Languages: C/C++, Pascal, Visual Basic, Fortran, SQL

SKILL Operation System: Unix, Windows, MS office.

Software application: MS/EXCEL, MS/Word, Mathcad, PCB Protel, Schemelec.

Wireless data service: TEMS, XCAL, WindCatcher, PcTEL Scanner, Spectrum Analyzer, CDMA,

STP, RF Fingerprinting Analog, Flexent Modular cell, CDMA and PCS.

RMT software and 3G technology Test equipment: DataPro, pilot scanners, baseline equipment,

Spectrum analyzers RF system Optimization techniques for voice and data for Verizon wireless

TECHNICAL SKILL

Wireless Technologies: LTE, UMTS/WCDMA, GSM, IMS, VOLTE

Networking knowledge: TCP/IP, UDP, SIP, ATM, OSI Architecture. QXDM, QPST, 3GPP, Specs,

Wireless protocols, JTAG, APEX.

EXPERIENCE

Jan 2018 Take care Bussiness

VERIZON WIRELESS Inc, in Schaumburg, Illinois June 2015 – December 2017

System Performance Engineer (Contract)

Very good knowledge IRAT, and Inter/Intra BSC/RNC/TAC handover testing, and CDMA, EVDO, WCDMA/UMTS, 2G, 3G, LTE, and VoLTE Layers 1,2, and 3.

Used TEMPS investigation Air Interface test tool software Verizon 4.0.3 with GPS mapping.

Tested CTX baseline program objects, TEMS pocket, and PCTEL major MSA at businesses and O’Hare International Airport in Chicago.

Drive tested and lived network log collection in all city, Chicago

Performed corrective maintenance of radio sites

Identified, analyzed, and document defected, questionable functions, errors, and inconsistencies in handset behavior.

Performed drive test and worked data analysis.

Defected management tool.

Worked on data and call performance testing, or audio quality testing.

Tested and used Back Pack to collect data base line in Chicago airport.

March 2014 – June 2014: Emerson Power Network. Houston, Texas.

Electrical Engineer (Contract)

Assisted lead engineers in preparing projects such as document control, evaluation of mechanical parts and drawings.

Supplied appropriate part data and drawings to Supply Chain and Manufacturing in order to establish procurement channels and produce systems.

Converted drawings produced in France for local uses in Houston, Texas.

Evaluated suitability of UL-listed parts to update and standardize master parts database.

Coordinated remotely with external support in France to format parts data accordingly.

SUTRON, Inc Aug 2005 to Sept 2013

Analyzed and recorded data.

Performing radio Engineer evaluation for system planning and site acquisition.

Identifying causes of RF interference and troubleshooting interference problem with system performance.

Resolved test yield problems by performing analysis of root causes.

Transmitted data more accurately using one of the lowest power consumption DCP’s.

Analyzed spectrum, oscilloscope, intuitive data, A/D circuitry, schematic, and block diagram.

January 2003 – August 2003: Qualcomm in Tennessee.

Modem System Test Engineer

Worked as apart of LTE IRAT (3GPP) Modem System Test team to verify modem functionalities.

Involed in testing inter Radio Access Technology (IRAT) between 4G LTE and 3G(WCDMA) or 4G LTE and 2G (GSM on Anritsu Test boxes

Responsible for testing Apple, Samsung and HTC modems for all LTE IRAT features as part of the team. LTE IRAT features such as Redirection, Reselection, Handover, CS Fall Back, SON CGI, connected mode measurements, carrier Aggregation etc.

Performed focus on feature verification between LTE to WCDMA and LTE to GERAN and vice versa.

Responsible fro validation function using Anritsu RTD in LAB environment and verifying modem features by collecting and debugging QXDM logs.

Skilled in debugging UE issued bye analyzing QXDM logs and finding the root cause in the right sub-component in the protocol stack.

Reproduced issue reported by Client and Field Test Team and verifying the fix.

Responsible for performing regular Sanity and Regression Testing on various customer build.

Reported and tracked issues and validate fixes before the build is released to the customer.

EDUCATION

Texas A&M University, College Station, Texas. May 2001

Bachelor of Science Electrical Engineering

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