JOSEPH V. NGUYEN

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

Plano, Texas *5094

469-***-****

Email: acpxa4@r.postjobfree.com

U.S. Citizen

OBJECTIVE Seeking a challenging Systems/RF/Test/QA/Field/Technical Support

Engineer position in Telecommunication and Network Systems to utilize

knowledge gained from work with special interest in RF, UMTS, 3G/4G,

LTE, VoLTE Soft Switch, VoIP/SIP, IMS.

EDUCATION THE UNIVERSITY OF IOWA, Iowa City, Iowa

B.S.E.E., Electrical Engineering, May 1992.

COMPUTER C/C++, UNIX, Linux, SQL, Java, VHDL/Synopsis, Labview, MatLab,

SKILLS MS Windows (Excel, PowerPoint, Piviot, SharePoint), PCAD

WORK EXPERIENCES

3/2005 – Present Alcatel-Lucent, Plano, Texas

Network Integrations/Testing and Deployment Engineer

• Responsible for defining, scheduling, development maintenance, and

custom release based on major feature releases, plus specifications for

changes/additions/solutions for new and existing products based on

customer feedback.

• Contribute and work closely with the sales team (Pre/Post-Sales),

coordinate/schedule/track engineering tasks, keep customer informed

of progress/changes to schedule; and provide technical support to

customers at installation of new features.

• Contribute and work closely with customers, NOC, TAC, and technical

teams by providing architecture, promotion packages, system

specification documentation for the E2E requirements and road map

information related to products covered by the role.

• Developed test beds, test plan, test procedures/scripts, test cases,

regression test, MOPs, GUI, UAT/ATP, Client/Server Web Application,

Microsoft Active Directory, DNS, Microsoft Exchange 10 & 12, API,

SDLC, HP Quality Center, HP/Mercury Suite, QC/ALM, Test Director,

Spirent Test Center based on test requirements extracted from

hardware and software functional specifications, and product required

documents.

• Developing test plan, test case, internal and external review, MOP.

• Configuration, network communication, planning, documenting,

testing, customer relations, and troubleshooting by using test tools and

instruments to verify problems.

• Working on MGCF/MSC(5620/5060 included with MGC & SG and

interface with 7540/7549(G9) MGW, CS2K and C20)

• Working on IMS architecture and lab setup to configure and

provision to P/S/I-CSCF, HSS, AAA, ENUM/DNS, IP/Access Network.

• Optimize VoLTE/ LTE / UMTS / EDGE / CDMA/ GSM

• Working on Layer 2, 3 switch to develop the metrics and support

NOC integration.

• Working on Cisco IP Switch and Router (Cisco IOS, BGP, MPLS,…)

to configure IP network, Spanning Tree and load balancing to

supporting and troubleshooting based on CIQ to designs and

implements in LAN/WAN wireless networks and ALU 7705/7750.

VoLTE, VoIP, SIP and IMS

• Working with LTE core system interfaces and protocols (S1-MME,

e-nodeB, SGSN, PGW, SGW, SBC, SR, Cx, NAS, S1-AP, RRC, GTP-

U, SGs-AP, TCP/IP, SDP, XML, NAT).

• Performing KPI to evaluate/optimize by drive test to identify

problem of LTE, UMTS, WCDMA and GSM networks.

• Working on IOT (Interoperability Test) from Wireless networks to

manage network End to End, treating voice and data together by using

Nethawk Analyser, Wireshark, Tektronics K15/12 equipments for Call

Processing, Handover, and LTE/WCDMA/GSM/UMTS/GPRS (A/Abis,

Gb, Gn, Iur, Iub, UTRAN, RNC, NodeB/eNodeB, RANAP, NBAP,

RANSAP, Iu-CS, Iu-PS) for simulation, emulation, and monitoring data

& signaling.

• Experiencing on tools setup for signaling and simulation as Anite,

HP, Anritsu, HP network analyzer, Adtran400, Tektronic 1205/15/12,

Nethawk (2G and 3G), Wireshark, TEMS.

• Working on IMS, VoIP/SIP, VoLTE, network connectivity and call

handling to interoperated (IOT).

• Experienced SoftSwitch, Broadsoft testing, hands on testing with

VoIP, VoATM, Voice networks using H.323, and voice response

systems (T1/E1, SNMP, Codec G.711, G.729) and deploys automated

test voice products (SS7, CAS, BRI, ISDN, DTMF, VGW, MGCP, SCCP,

GWC, H.248, Cisco).

• Experienced in call processing, Node B, RNC, SIP messages, SIP call

control, Media Handling protocol included Register, Adhoc call, Adhoc

group call, pre-arrange group call, Talk burst message, ...

• Hand on and in depth know-how of IMS architecture, SIP protocol,

HTTP, SIP, DNS, LDAP, Diameter, Streaming Protocols, RTP, RTCP,

XCAP/XML, and TCP/UDP/IP, IPv4, SNMP Management.

• Knowledge on UNIX, SUN OS, HP, Granite, ClearCase and ClearQuest

CR report, Remedy, Granite, JIRA.

• Excellent communications and flexible on job assignments.

09/2001 – 03/2005 Network International Inc., San Diego, CA

RF Testing Engineer

• Worked on GSM, UMTS, CDMA/WCDMA to exposure to

radiofrequency (RF) emissions from network base station, microwave,

and related radio access equipment.

• Developed Test strategies and production test plans, define test

specifications, test fixtures, test interfaces, functional test, final test, and

diagnostic programs.

• Worked with variety of RF test platforms, RF test methods,

calibrations, measurements with test equipment and technical analysis

of systems

• MOPs executed integration plans, troubleshoot network problems

and escalate quality issues as needed

• Constructs, troubleshoots, calibrates, adjusts, tests, and maintains

equipment, components, devices, or high level systems.

• Proficient with test equipment including RF sources, pulse

generators, spectrum analyzers, oscilloscopes, Agilent PNA, vector

network analyzers, power meters, power supplies, and digital multi-

meters.

• Tested includes s-parameters, noise figure, power, pulsed power,

TOI, and harmonics.

• Used Wireless Logix XCAL, TEMS, Agilent, INVEX, Datapro and

data collection software

• Performed RF network troubleshooting and optimization activities

for GSM/UMTS/CDMA/WCDMA network

• Implemented GSM/UMTS/CDMA/WCDMA optimization/acceptance

plan, sponsor best practices, assess and escalate system issues to

RAN, Core, Data design teams.

• Network performance improvement (KPIs) and optimization tasks.

• Acknowledge on Remedy, Granite, Metrica, NetExpert.

• Excellent communications and flexible on job assignments.

SPECIAL ISDN, SS7, SONET, ATM, WCDMA, NETWORK, VoIP, DATA

TRAINING WIMAX, IMS, TCP/IP, RF Optimize/Design, ALU 7705/7750 routers, Cisco

Switch and Router (Catalyst, IOS and ASR), NEXUS 7K.

REFERENCES Furnished upon request.

Contact this candidate